This patch removes the quota code from the lvfs directory.
Most of this code has already been moved to ldiskfs OSD.
This patch also removes the dt_init_quota_ctxt which isn't
used any more.
Signed-off-by: Johann Lombardi <johann@whamcloud.com>
Change-Id: I6ab6a26ae877d5c0bebab674204f7d36f9d83078
Reviewed-on: http://review.whamcloud.com/4110
Reviewed-by: Alex Zhuravlev <bzzz@whamcloud.com>
Reviewed-by: Niu Yawei <niu@whamcloud.com>
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
struct dt_device;
struct dt_object;
struct dt_index_features;
-struct dt_quota_ctxt;
struct niobuf_local;
struct niobuf_remote;
struct dt_device *dev,
int mode, unsigned long timeout,
__u32 alg, struct lustre_capa_key *keys);
- /**
- * Initialize quota context.
- */
- void (*dt_init_quota_ctxt)(const struct lu_env *env,
- struct dt_device *dev,
- struct dt_quota_ctxt *ctxt, void *data);
};
struct dt_index_features {
int (* fs_read_record)(struct file *, void *, int size, loff_t *);
int (* fs_setup)(struct super_block *sb);
int (* fs_get_op_len)(int, struct fsfilt_objinfo *, int);
- int (* fs_quotacheck)(struct super_block *sb,
- struct obd_quotactl *oqctl);
__u64 (* fs_get_version) (struct inode *inode);
__u64 (* fs_set_version) (struct inode *inode, __u64 new_version);
- int (* fs_quotactl)(struct super_block *sb,
- struct obd_quotactl *oqctl);
- int (* fs_quotainfo)(struct lustre_quota_info *lqi, int type,
- int cmd);
- int (* fs_qids)(struct file *file, struct inode *inode, int type,
- cfs_list_t *list);
- int (* fs_get_mblk)(struct super_block *sb, int *count,
- struct inode *inode, int frags);
- int (* fs_dquot)(struct lustre_dquot *dquot, int cmd);
lvfs_sbdev_type (* fs_journal_sbdev)(struct super_block *sb);
struct dentry *(* fs_fid2dentry)(struct vfsmount *mnt,
struct fsfilt_fid *fid,
return obd->obd_fsops->fs_sync(sb);
}
-static inline int fsfilt_quotacheck(struct obd_device *obd,
- struct super_block *sb,
- struct obd_quotactl *oqctl)
-{
- if (obd->obd_fsops->fs_quotacheck)
- return obd->obd_fsops->fs_quotacheck(sb, oqctl);
- return -ENOTSUPP;
-}
-
-static inline int fsfilt_quotactl(struct obd_device *obd,
- struct super_block *sb,
- struct obd_quotactl *oqctl)
-{
- if (obd->obd_fsops->fs_quotactl)
- return obd->obd_fsops->fs_quotactl(sb, oqctl);
- return -ENOTSUPP;
-}
-
-static inline int fsfilt_quotainfo(struct obd_device *obd,
- struct lustre_quota_info *lqi,
- int type, int cmd)
-{
- if (obd->obd_fsops->fs_quotainfo)
- return obd->obd_fsops->fs_quotainfo(lqi, type, cmd);
- return -ENOTSUPP;
-}
-
-static inline int fsfilt_qids(struct obd_device *obd, struct file *file,
- struct inode *inode, int type,
- cfs_list_t *list)
-{
- if (obd->obd_fsops->fs_qids)
- return obd->obd_fsops->fs_qids(file, inode, type, list);
- return -ENOTSUPP;
-}
-
-static inline int fsfilt_dquot(struct obd_device *obd,
- struct lustre_dquot *dquot, int cmd)
-{
- if (obd->obd_fsops->fs_dquot)
- return obd->obd_fsops->fs_dquot(dquot, cmd);
- return -ENOTSUPP;
-}
-
-static inline int fsfilt_get_mblk(struct obd_device *obd,
- struct super_block *sb, int *count,
- struct inode *inode, int frags)
-{
- if (obd->obd_fsops->fs_get_mblk)
- return obd->obd_fsops->fs_get_mblk(sb, count, inode, frags);
- return -ENOTSUPP;
-}
-
static inline int fsfilt_map_inode_pages(struct obd_device *obd,
struct inode *inode,
struct page **page, int pages,
MODULES := lvfs
@SERVER_TRUE@MODULES += fsfilt_ldiskfs
-@SERVER_TRUE@MODULES += quotafmt_test
lvfs-objs := lvfs_common.o lvfs_linux.o fsfilt.o lvfs_lib.o
-@SERVER_TRUE@quotafmt-objs := quotafmt_test.o
-
fsfilt_ldiskfs-objs := fsfilt-ldiskfs.o
-@SERVER_TRUE@fsfilt_ldiskfs-objs += lustre_quota_fmt.o
$(obj)/fsfilt-%.c: $(obj)/fsfilt_%.c
ln -s $< $@
-EXTRA_DIST = $(lvfs-objs:.o=.c) $(quotafmt-objs:.o=.c) \
+EXTRA_DIST = $(lvfs-objs:.o=.c) \
fsfilt_ext3.c \
- lvfs_internal.h lvfs_userfs.c \
- lustre_quota_fmt.c lustre_quota_fmt.h quotafmt_test.c
+ lvfs_internal.h lvfs_userfs.c
# for <ext3/xattr.h> on 2.6
EXTRA_PRE_CFLAGS := -I@LINUX@/fs -I@LDISKFS_DIR@ -I@LDISKFS_DIR@/ldiskfs
#include <linux/version.h>
#include <linux/bitops.h>
#include <linux/quota.h>
-#ifdef HAVE_QUOTAIO_H
-# include <linux/quotaio_v2.h>
-#elif defined(HAVE_FS_QUOTA_QUOTAIO_H)
-# include <quota/quotaio_v2.h>
-# include <quota/quota_tree.h>
-# define V2_DQTREEOFF QT_TREEOFF
-#elif defined(HAVE_FS_QUOTAIO_H)
-# include <quotaio_v2.h>
-# include <quota_tree.h>
-# define V2_DQTREEOFF QT_TREEOFF
-# define V2_INITQVERSIONS_R1 V2_INITQVERSIONS
-#endif
-
-#ifdef QFMT_VFS_V1
-#define QFMT_LUSTRE QFMT_VFS_V1
-#else
-#define QFMT_LUSTRE QFMT_VFS_V0
-#endif
#if defined(HAVE_EXT3_XATTR_H)
# include <ext3/xattr.h>
#include <libcfs/libcfs.h>
#include <lustre_fsfilt.h>
#include <obd.h>
-#include <lustre_quota.h>
#include <linux/lustre_compat25.h>
#include <linux/lprocfs_status.h>
#include <ext4/ext4_extents.h>
-#include "lustre_quota_fmt.h"
-
/* for kernels 2.6.18 and later */
#define FSFILT_SINGLEDATA_TRANS_BLOCKS(sb) EXT3_SINGLEDATA_TRANS_BLOCKS(sb)
return 0;
}
-#define DQINFO_COPY(out, in) \
-do { \
- Q_COPY(out, in, dqi_bgrace); \
- Q_COPY(out, in, dqi_igrace); \
- Q_COPY(out, in, dqi_flags); \
- Q_COPY(out, in, dqi_valid); \
-} while (0)
-
-#define DQBLK_COPY(out, in) \
-do { \
- Q_COPY(out, in, dqb_bhardlimit); \
- Q_COPY(out, in, dqb_bsoftlimit); \
- Q_COPY(out, in, dqb_curspace); \
- Q_COPY(out, in, dqb_ihardlimit); \
- Q_COPY(out, in, dqb_isoftlimit); \
- Q_COPY(out, in, dqb_curinodes); \
- Q_COPY(out, in, dqb_btime); \
- Q_COPY(out, in, dqb_itime); \
- Q_COPY(out, in, dqb_valid); \
-} while (0)
-
-static int fsfilt_ext3_quotactl(struct super_block *sb,
- struct obd_quotactl *oqc)
-{
- int i, rc = 0, error = 0;
- const struct quotactl_ops *qcop;
- struct if_dqinfo *info;
- struct if_dqblk *dqblk;
- ENTRY;
-
- if (!sb->s_qcop)
- RETURN(-ENOSYS);
-
- OBD_ALLOC_PTR(info);
- if (!info)
- RETURN(-ENOMEM);
- OBD_ALLOC_PTR(dqblk);
- if (!dqblk) {
- OBD_FREE_PTR(info);
- RETURN(-ENOMEM);
- }
-
- DQINFO_COPY(info, &oqc->qc_dqinfo);
- DQBLK_COPY(dqblk, &oqc->qc_dqblk);
-
- qcop = sb->s_qcop;
- if (oqc->qc_cmd == Q_QUOTAON || oqc->qc_cmd == Q_QUOTAOFF) {
- for (i = 0; i < MAXQUOTAS; i++) {
- if (!Q_TYPESET(oqc, i))
- continue;
-
- if (oqc->qc_cmd == Q_QUOTAON) {
- char *name[MAXQUOTAS] = LUSTRE_OPQFILES_NAMES_V2;
-
- LASSERT(oqc->qc_id == LUSTRE_QUOTA_V2);
-
- rc = ll_quota_on(sb, i, QFMT_LUSTRE,
- name[i], 0);
- } else if (oqc->qc_cmd == Q_QUOTAOFF) {
- rc = ll_quota_off(sb, i, 0);
- }
-
- if (rc == -EBUSY)
- error = rc;
- else if (rc)
- GOTO(out, rc);
- }
- GOTO(out, rc ?: error);
- }
-
- switch (oqc->qc_cmd) {
- case Q_GETOINFO:
- case Q_GETINFO:
- if (!qcop->get_info)
- GOTO(out, rc = -ENOSYS);
- rc = qcop->get_info(sb, oqc->qc_type, info);
- break;
- case Q_SETQUOTA:
- case Q_INITQUOTA:
- if (!qcop->set_dqblk)
- GOTO(out, rc = -ENOSYS);
- rc = qcop->set_dqblk(sb, oqc->qc_type, oqc->qc_id, dqblk);
- break;
- case Q_GETOQUOTA:
- case Q_GETQUOTA:
- if (!qcop->get_dqblk)
- GOTO(out, rc = -ENOSYS);
- rc = qcop->get_dqblk(sb, oqc->qc_type, oqc->qc_id, dqblk);
- if (!rc)
- dqblk->dqb_valid = QIF_LIMITS | QIF_USAGE;
- break;
- case Q_SYNC:
- if (!sb->s_qcop->quota_sync)
- GOTO(out, rc = -ENOSYS);
- qcop->quota_sync(sb, oqc->qc_type);
- break;
- case Q_FINVALIDATE:
- CDEBUG(D_WARNING, "invalidating operational quota files\n");
- for (i = 0; i < MAXQUOTAS; i++) {
- struct file *fp;
- char *name[MAXQUOTAS] = LUSTRE_OPQFILES_NAMES_V2;
-
- LASSERT(oqc->qc_id == LUSTRE_QUOTA_V2);
-
- if (!Q_TYPESET(oqc, i))
- continue;
-
- fp = filp_open(name[i], O_CREAT | O_TRUNC | O_RDWR, 0644);
- if (IS_ERR(fp)) {
- rc = PTR_ERR(fp);
- CERROR("error invalidating operational quota file"
- " %s (rc:%d)\n", name[i], rc);
- } else {
- filp_close(fp, 0);
- }
-
- }
- break;
- default:
- CERROR("unsupported quotactl command: %d\n", oqc->qc_cmd);
- LBUG();
- }
-out:
- DQINFO_COPY(&oqc->qc_dqinfo, info);
- DQBLK_COPY(&oqc->qc_dqblk, dqblk);
-
- OBD_FREE_PTR(info);
- OBD_FREE_PTR(dqblk);
-
- if (rc)
- CDEBUG(D_QUOTA, "quotactl command %#x, id %u, type %u "
- "failed: %d\n",
- oqc->qc_cmd, oqc->qc_id, oqc->qc_type, rc);
- RETURN(rc);
-}
-
-struct chk_dqblk{
- cfs_hlist_node_t dqb_hash; /** quotacheck hash */
- cfs_list_t dqb_list; /** in list also */
- qid_t dqb_id; /** uid/gid */
- short dqb_type; /** USRQUOTA/GRPQUOTA */
- qsize_t dqb_bhardlimit; /** block hard limit */
- qsize_t dqb_bsoftlimit; /** block soft limit */
- qsize_t dqb_curspace; /** current space */
- qsize_t dqb_ihardlimit; /** inode hard limit */
- qsize_t dqb_isoftlimit; /** inode soft limit */
- qsize_t dqb_curinodes; /** current inodes */
- obd_time dqb_btime; /** block grace time */
- obd_time dqb_itime; /** inode grace time */
- __u32 dqb_valid; /** flag for above fields */
-};
-
-static inline unsigned int chkquot_hash(qid_t id, int type)
- __attribute__((__const__));
-
-static inline unsigned int chkquot_hash(qid_t id, int type)
-{
- return (id * (MAXQUOTAS - type)) % NR_DQHASH;
-}
-
-static inline struct chk_dqblk *
-find_chkquot(cfs_hlist_head_t *head, qid_t id, int type)
-{
- cfs_hlist_node_t *node;
- struct chk_dqblk *cdqb;
-
- cfs_hlist_for_each(node, head) {
- cdqb = cfs_hlist_entry(node, struct chk_dqblk, dqb_hash);
- if (cdqb->dqb_id == id && cdqb->dqb_type == type)
- return cdqb;
- }
-
- return NULL;
-}
-
-static struct chk_dqblk *alloc_chkquot(qid_t id, int type)
-{
- struct chk_dqblk *cdqb;
-
- OBD_ALLOC_PTR(cdqb);
- if (cdqb) {
- CFS_INIT_HLIST_NODE(&cdqb->dqb_hash);
- CFS_INIT_LIST_HEAD(&cdqb->dqb_list);
- cdqb->dqb_id = id;
- cdqb->dqb_type = type;
- }
-
- return cdqb;
-}
-
-static struct chk_dqblk *
-cqget(struct super_block *sb, cfs_hlist_head_t *hash,
- cfs_list_t *list, qid_t id, int type, int first_check)
-{
- cfs_hlist_head_t *head = hash + chkquot_hash(id, type);
- struct if_dqblk dqb;
- struct chk_dqblk *cdqb;
- int rc;
-
- cdqb = find_chkquot(head, id, type);
- if (cdqb)
- return cdqb;
-
- cdqb = alloc_chkquot(id, type);
- if (!cdqb)
- return NULL;
-
- if (!first_check) {
- rc = sb->s_qcop->get_dqblk(sb, type, id, &dqb);
- if (rc) {
- CERROR("get_dqblk of id %u, type %d failed: %d\n",
- id, type, rc);
- } else {
- DQBLK_COPY(cdqb, &dqb);
- cdqb->dqb_curspace = 0;
- cdqb->dqb_curinodes = 0;
- }
- }
-
- cfs_hlist_add_head(&cdqb->dqb_hash, head);
- cfs_list_add_tail(&cdqb->dqb_list, list);
-
- return cdqb;
-}
-
-static inline int quota_onoff(struct super_block *sb, int cmd, int type, int qfmt)
-{
- struct obd_quotactl *oqctl;
- int rc;
-
- OBD_ALLOC_PTR(oqctl);
- if (!oqctl)
- RETURN(-ENOMEM);
-
- oqctl->qc_cmd = cmd;
- oqctl->qc_id = qfmt;
- oqctl->qc_type = type;
- rc = fsfilt_ext3_quotactl(sb, oqctl);
-
- OBD_FREE_PTR(oqctl);
- return rc;
-}
-
-static inline int read_old_dqinfo(struct super_block *sb, int type,
- struct if_dqinfo *dqinfo)
-{
- struct obd_quotactl *oqctl;
- int rc;
- ENTRY;
-
- OBD_ALLOC_PTR(oqctl);
- if (!oqctl)
- RETURN(-ENOMEM);
-
- oqctl->qc_cmd = Q_GETINFO;
- oqctl->qc_type = type;
- rc = fsfilt_ext3_quotactl(sb, oqctl);
- if (!rc)
- ((struct obd_dqinfo *)dqinfo)[type] = oqctl->qc_dqinfo;
-
- OBD_FREE_PTR(oqctl);
- RETURN(rc);
-}
-
-struct qchk_ctxt {
- cfs_hlist_head_t qckt_hash[NR_DQHASH]; /* quotacheck hash */
- cfs_list_t qckt_list; /* quotacheck list */
- int qckt_first_check[MAXQUOTAS]; /* 1 if no old quotafile */
- struct if_dqinfo qckt_dqinfo[MAXQUOTAS]; /* old dqinfo */
-};
-
-static int add_inode_quota(struct inode *inode, struct qchk_ctxt *qctxt,
- struct obd_quotactl *oqc)
-{
- struct chk_dqblk *cdqb[MAXQUOTAS] = { NULL, };
- loff_t size = 0;
- qid_t qid[MAXQUOTAS];
- int cnt, i, rc = 0;
-
- if (!inode)
- return 0;
-
- qid[USRQUOTA] = inode->i_uid;
- qid[GRPQUOTA] = inode->i_gid;
-
- if (S_ISDIR(inode->i_mode) ||
- S_ISREG(inode->i_mode) ||
- S_ISLNK(inode->i_mode))
- size = inode_get_bytes(inode);
-
- for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
- if (!Q_TYPESET(oqc, cnt))
- continue;
-
- cdqb[cnt] = cqget(inode->i_sb, qctxt->qckt_hash,
- &qctxt->qckt_list, qid[cnt], cnt,
- qctxt->qckt_first_check[cnt]);
- if (!cdqb[cnt]) {
- rc = -ENOMEM;
- break;
- }
-
- cdqb[cnt]->dqb_curspace += size;
- cdqb[cnt]->dqb_curinodes++;
- }
-
- if (rc) {
- for (i = 0; i < cnt; i++) {
- if (!Q_TYPESET(oqc, i))
- continue;
- LASSERT(cdqb[i]);
- cdqb[i]->dqb_curspace -= size;
- cdqb[i]->dqb_curinodes--;
- }
- }
-
- return rc;
-}
-
-/* write dqinfo struct in a new quota file */
-static int v3_write_dqinfo(struct file *f, int type, struct if_dqinfo *info)
-{
- struct v2_disk_dqinfo dqinfo;
- __u32 blocks = V2_DQTREEOFF + 1;
- loff_t offset = V2_DQINFOOFF;
-
- if (info) {
- dqinfo.dqi_bgrace = cpu_to_le32(info->dqi_bgrace);
- dqinfo.dqi_igrace = cpu_to_le32(info->dqi_igrace);
- dqinfo.dqi_flags = cpu_to_le32(info->dqi_flags & DQF_MASK &
- ~DQF_INFO_DIRTY);
- } else {
- dqinfo.dqi_bgrace = cpu_to_le32(MAX_DQ_TIME);
- dqinfo.dqi_igrace = cpu_to_le32(MAX_IQ_TIME);
- dqinfo.dqi_flags = 0;
- }
-
- dqinfo.dqi_blocks = cpu_to_le32(blocks);
- dqinfo.dqi_free_blk = 0;
- dqinfo.dqi_free_entry = 0;
-
- return cfs_user_write(f, (char *)&dqinfo, sizeof(dqinfo), &offset);
-}
-
-static int v3_write_dqheader(struct file *f, int type)
-{
- static const __u32 quota_magics[] = V2_INITQMAGICS;
- static const __u32 quota_versions[] = LUSTRE_INITQVERSIONS_V2;
- struct v2_disk_dqheader dqhead;
- loff_t offset = 0;
-
- CLASSERT(ARRAY_SIZE(quota_magics) == ARRAY_SIZE(quota_versions));
- LASSERT(0 <= type && type < ARRAY_SIZE(quota_magics));
-
- dqhead.dqh_magic = cpu_to_le32(quota_magics[type]);
- dqhead.dqh_version = cpu_to_le32(quota_versions[type]);
-
- return cfs_user_write(f, (char *)&dqhead, sizeof(dqhead), &offset);
-}
-
-static int create_new_quota_files(struct qchk_ctxt *qctxt,
- struct obd_quotactl *oqc)
-{
- int i, rc = 0;
- ENTRY;
-
- for (i = 0; i < MAXQUOTAS; i++) {
- struct if_dqinfo *info = qctxt->qckt_first_check[i]?
- NULL : &qctxt->qckt_dqinfo[i];
- struct file *file;
- const char *name[MAXQUOTAS] = LUSTRE_OPQFILES_NAMES_V2;
-
- if (!Q_TYPESET(oqc, i))
- continue;
-
- LASSERT(oqc->qc_id == LUSTRE_QUOTA_V2);
-
- file = filp_open(name[i], O_RDWR | O_CREAT | O_TRUNC, 0644);
- if (IS_ERR(file)) {
- rc = PTR_ERR(file);
- CERROR("can't create %s file: rc = %d\n",
- name[i], rc);
- GOTO(out, rc);
- }
-
- if (!S_ISREG(file->f_dentry->d_inode->i_mode)) {
- CERROR("file %s is not regular", name[i]);
- filp_close(file, 0);
- GOTO(out, rc = -EINVAL);
- }
-
- ll_vfs_dq_drop(file->f_dentry->d_inode);
-
- rc = v3_write_dqheader(file, i);
- if (rc) {
- filp_close(file, 0);
- GOTO(out, rc);
- }
-
- rc = v3_write_dqinfo(file, i, info);
- filp_close(file, 0);
- if (rc)
- GOTO(out, rc);
- }
-
-out:
- RETURN(rc);
-}
-
-
-static int commit_chkquot(struct super_block *sb, struct qchk_ctxt *qctxt,
- struct chk_dqblk *cdqb)
-{
- struct obd_quotactl *oqc;
- long now;
- int rc;
- ENTRY;
-
- OBD_ALLOC_PTR(oqc);
- if (!oqc)
- RETURN(-ENOMEM);
-
- now = cfs_time_current_sec();
-
- if (cdqb->dqb_bsoftlimit &&
- toqb(cdqb->dqb_curspace) >= cdqb->dqb_bsoftlimit &&
- !cdqb->dqb_btime)
- cdqb->dqb_btime =
- now + qctxt->qckt_dqinfo[cdqb->dqb_type].dqi_bgrace;
-
- if (cdqb->dqb_isoftlimit &&
- cdqb->dqb_curinodes >= cdqb->dqb_isoftlimit &&
- !cdqb->dqb_itime)
- cdqb->dqb_itime =
- now + qctxt->qckt_dqinfo[cdqb->dqb_type].dqi_igrace;
-
- cdqb->dqb_valid = QIF_ALL;
-
- oqc->qc_cmd = Q_SETQUOTA;
- oqc->qc_type = cdqb->dqb_type;
- oqc->qc_id = cdqb->dqb_id;
- DQBLK_COPY(&oqc->qc_dqblk, cdqb);
-
- rc = fsfilt_ext3_quotactl(sb, oqc);
- OBD_FREE_PTR(oqc);
- RETURN(rc);
-}
-
-static int prune_chkquots(struct super_block *sb,
- struct qchk_ctxt *qctxt, int error)
-{
- struct chk_dqblk *cdqb, *tmp;
- int rc;
-
- cfs_list_for_each_entry_safe(cdqb, tmp, &qctxt->qckt_list, dqb_list) {
- if (!error) {
- rc = commit_chkquot(sb, qctxt, cdqb);
- if (rc)
- error = rc;
- }
- cfs_hlist_del_init(&cdqb->dqb_hash);
- cfs_list_del(&cdqb->dqb_list);
- OBD_FREE_PTR(cdqb);
- }
-
- return error;
-}
-
-#ifndef EXT3_FEATURE_RO_COMPAT_GDT_CSUM
-#define EXT3_FEATURE_RO_COMPAT_GDT_CSUM 0x0010
-#endif
-
-static int fsfilt_ext3_quotacheck(struct super_block *sb,
- struct obd_quotactl *oqc)
-{
- struct ext3_sb_info *sbi = EXT3_SB(sb);
- int i, group, uninit_feat = 0;
- struct qchk_ctxt *qctxt;
- struct buffer_head *bitmap_bh = NULL;
- unsigned long ino, inode_inuse;
- struct inode *inode;
- int rc = 0;
- ENTRY;
-
- /* turn on quota and read dqinfo if existed */
- OBD_ALLOC_PTR(qctxt);
- if (!qctxt) {
- oqc->qc_stat = -ENOMEM;
- RETURN(-ENOMEM);
- }
-
- for (i = 0; i < NR_DQHASH; i++)
- CFS_INIT_HLIST_HEAD(&qctxt->qckt_hash[i]);
- CFS_INIT_LIST_HEAD(&qctxt->qckt_list);
-
- for (i = 0; i < MAXQUOTAS; i++) {
- if (!Q_TYPESET(oqc, i))
- continue;
-
- rc = quota_onoff(sb, Q_QUOTAON, i, oqc->qc_id);
- if (!rc || rc == -EBUSY) {
- rc = read_old_dqinfo(sb, i, qctxt->qckt_dqinfo);
- if (rc)
- GOTO(out, rc);
- } else if (rc == -ENOENT || rc == -EINVAL || rc == -EEXIST) {
- qctxt->qckt_first_check[i] = 1;
- } else if (rc) {
- GOTO(out, rc);
- }
- }
- if (EXT3_HAS_RO_COMPAT_FEATURE(sb, EXT3_FEATURE_RO_COMPAT_GDT_CSUM))
- /* This filesystem supports the uninit group feature */
- uninit_feat = 1;
-
- /* number of inodes that have been allocated */
- inode_inuse = sbi->s_inodes_per_group * sbi->s_groups_count -
- percpu_counter_sum(&sbi->s_freeinodes_counter);
-
- /* check quota and update in hash */
- for (group = 0; group < sbi->s_groups_count && inode_inuse > 0;
- group++) {
- unsigned long used_count = sbi->s_inodes_per_group;
-
- if (uninit_feat) {
- struct ext3_group_desc *desc;
- desc = ext3_get_group_desc(sb, group, NULL);
- if (!desc)
- GOTO(out, -EIO);
-
- /* we don't really need to take the group lock here,
- * but it may be useful if one day we support online
- * quotacheck */
- ext4_lock_group(sb, group);
- if (desc->bg_flags & cpu_to_le16(EXT3_BG_INODE_UNINIT)) {
- /* no inode in use in this group, just skip it */
- ext3_unlock_group(sb, group);
- continue;
- }
-
- used_count -= ext3_itable_unused_count(sb, desc);
- ext3_unlock_group(sb, group);
- }
-
- ino = group * sbi->s_inodes_per_group + 1;
- bitmap_bh = ext3_read_inode_bitmap(sb, group);
- if (!bitmap_bh) {
- CERROR("%s: ext3_read_inode_bitmap group %d failed\n",
- sb->s_id, group);
- GOTO(out, -EIO);
- }
-
- i = 0;
- while (i < used_count &&
- (i = ext3_find_next_bit(bitmap_bh->b_data,
- used_count, i)) < used_count) {
- inode_inuse--;
- i++;
- ino = i + group * sbi->s_inodes_per_group;
- if (ino < sbi->s_first_ino)
- continue;
- inode = ext3_iget(sb, ino);
- if (!inode || IS_ERR(inode))
- continue;
-
- rc = add_inode_quota(inode, qctxt, oqc);
- iput(inode);
- if (rc) {
- brelse(bitmap_bh);
- GOTO(out, rc);
- }
- }
- brelse(bitmap_bh);
- }
-
- /* read old quota limits from old quota file. (only for the user
- * has limits but hasn't file) */
- for (i = 0; i < MAXQUOTAS; i++) {
- cfs_list_t id_list;
- struct dquot_id *dqid, *tmp;
-
- if (!Q_TYPESET(oqc, i))
- continue;
-
- if (qctxt->qckt_first_check[i])
- continue;
-
-
- LASSERT(sb_dqopt(sb)->files[i] != NULL);
- CFS_INIT_LIST_HEAD(&id_list);
- rc = lustre_get_qids(NULL, sb_dqopt(sb)->files[i], i, &id_list);
- if (rc)
- CERROR("read old limits failed. (rc:%d)\n", rc);
-
- cfs_list_for_each_entry_safe(dqid, tmp, &id_list, di_link) {
- cfs_list_del_init(&dqid->di_link);
-
- if (!rc)
- cqget(sb, qctxt->qckt_hash, &qctxt->qckt_list,
- dqid->di_id, i,
- qctxt->qckt_first_check[i]);
- OBD_FREE_PTR(dqid);
- }
- }
- /* turn off quota cause we are to dump chk_dqblk to files */
- quota_onoff(sb, Q_QUOTAOFF, oqc->qc_type, oqc->qc_id);
-
- rc = create_new_quota_files(qctxt, oqc);
- if (rc)
- GOTO(out, rc);
-
- /* we use vfs functions to set dqblk, so turn quota on */
- rc = quota_onoff(sb, Q_QUOTAON, oqc->qc_type, oqc->qc_id);
-out:
- /* dump and free chk_dqblk */
- rc = prune_chkquots(sb, qctxt, rc);
- OBD_FREE_PTR(qctxt);
-
- /* turn off quota, `lfs quotacheck` will turn on when all
- * nodes quotacheck finish. */
- quota_onoff(sb, Q_QUOTAOFF, oqc->qc_type, oqc->qc_id);
-
- oqc->qc_stat = rc;
- if (rc)
- CERROR("quotacheck failed: rc = %d\n", rc);
-
- RETURN(rc);
-}
-
-static int fsfilt_ext3_quotainfo(struct lustre_quota_info *lqi, int type,
- int cmd)
-{
- int rc = 0;
- ENTRY;
-
- if (lqi->qi_files[type] == NULL) {
- CERROR("operate qinfo before it's enabled!\n");
- RETURN(-ESRCH);
- }
-
- switch (cmd) {
- case QFILE_CHK:
- rc = lustre_check_quota_file(lqi, type);
- break;
- case QFILE_RD_INFO:
- rc = lustre_read_quota_info(lqi, type);
- break;
- case QFILE_WR_INFO:
- rc = lustre_write_quota_info(lqi, type);
- break;
- case QFILE_INIT_INFO:
- rc = lustre_init_quota_info(lqi, type);
- break;
- case QFILE_CONVERT:
- rc = -ENOTSUPP;
- CERROR("quota CONVERT command is not supported\n");
- break;
- default:
- rc = -ENOTSUPP;
- CERROR("Unsupported admin quota file cmd %d\n"
- "Are lquota.ko and fsfilt_ldiskfs.ko modules in sync?\n",
- cmd);
- break;
- }
- RETURN(rc);
-}
-
-static int fsfilt_ext3_qids(struct file *file, struct inode *inode, int type,
- cfs_list_t *list)
-{
- return lustre_get_qids(file, inode, type, list);
-}
-
-static int fsfilt_ext3_dquot(struct lustre_dquot *dquot, int cmd)
-{
- int rc = 0;
- ENTRY;
-
- if (dquot->dq_info->qi_files[dquot->dq_type] == NULL) {
- CERROR("operate dquot before it's enabled!\n");
- RETURN(-ESRCH);
- }
-
- switch (cmd) {
- case QFILE_RD_DQUOT:
- rc = lustre_read_dquot(dquot);
- break;
- case QFILE_WR_DQUOT:
- if (dquot->dq_dqb.dqb_ihardlimit ||
- dquot->dq_dqb.dqb_isoftlimit ||
- dquot->dq_dqb.dqb_bhardlimit ||
- dquot->dq_dqb.dqb_bsoftlimit)
- cfs_clear_bit(DQ_FAKE_B, &dquot->dq_flags);
- else
- cfs_set_bit(DQ_FAKE_B, &dquot->dq_flags);
-
- rc = lustre_commit_dquot(dquot);
- if (rc >= 0)
- rc = 0;
- break;
- default:
- CERROR("Unsupported admin quota file cmd %d\n", cmd);
- LBUG();
- break;
- }
- RETURN(rc);
-}
-
-static int fsfilt_ext3_get_mblk(struct super_block *sb, int *count,
- struct inode *inode, int frags)
-{
- struct ext3_ext_base *base = inode;
- /* for an ost_write request, it needs <#fragments> * <tree depth + 1>
- * metablocks at maxium b=16542 */
- *count = frags * (EXT_DEPTH(base) + 1) * EXT3_BLOCK_SIZE(sb);
- return 0;
-}
-
lvfs_sbdev_type fsfilt_ext3_journal_sbdev(struct super_block *sb)
{
return (EXT3_SB(sb)->journal_bdev);
}
EXPORT_SYMBOL(fsfilt_ext3_journal_sbdev);
-ssize_t lustre_read_quota(struct file *f, struct inode *inode, int type,
- char *buf, int count, loff_t pos)
-{
- loff_t p = pos;
- int rc;
-
- if (!f && !inode) {
- CERROR("lustre_read_quota failed for no quota file!\n");
- libcfs_debug_dumpstack(NULL);
- return -EINVAL;
- }
-
- /* Support for both adm and op quota files must be provided */
- if (f) {
- rc = fsfilt_ext3_read_record(f, buf, count, &p);
- rc = rc < 0 ? rc : p - pos;
- } else {
- struct super_block *sb = inode->i_sb;
- rc = sb->s_op->quota_read(sb, type, buf, count, pos);
- }
- return rc;
-}
-
-ssize_t lustre_write_quota(struct file *f, char *buf, int count, loff_t pos)
-{
- loff_t p = pos;
- int rc;
-
- /* Only adm quota files are supported, op updates are handled by vfs */
- rc = fsfilt_ext3_write_record(f, buf, count, &p, 0);
- rc = rc < 0 ? rc : p - pos;
-
- return rc;
-}
-
-void *lustre_quota_journal_start(struct inode *inode, int delete)
-{
- handle_t *handle;
- unsigned block_count;
-
- if (delete) {
- /* each indirect block (+4) may become free, attaching to the
- * header list of free blocks (+1); the data block (+1) may
- * become a free block (+0) or a block with free dqentries (+0) */
- block_count = (4 + 1) + 1;
- handle = ext3_journal_start(inode,
- block_count*EXT3_DATA_TRANS_BLOCKS(inode->i_sb)+2);
- } else {
- /* indirect blocks are touched (+4), each causes file expansion (+0) or
- * freeblk reusage with a header update (+1); dqentry is either reused
- * causing update of the entry block (+1), prev (+1) and next (+1) or
- * a new block allocation (+1) with a header update (+1) */
- block_count = (4 + 1) + 3;
- handle = ext3_journal_start(inode,
- block_count*EXT3_DATA_TRANS_BLOCKS(inode->i_sb)+2);
-
- }
-
- return handle;
-}
-
-void lustre_quota_journal_stop(void *handle)
-{
- ext3_journal_stop((handle_t *)handle);
-}
-
static int ll_decode_fh_accept(void *context, struct dentry *de)
{
return 1;
{
struct inode *inode;
struct dentry *result;
-
+
result = ll_exportfs_decode_fh(mnt, fid, 2, FILEID_INO32_GEN,
ll_decode_fh_accept, NULL);
if (IS_ERR(result)) {
.fs_get_version = fsfilt_ext3_get_version,
.fs_set_version = fsfilt_ext3_set_version,
#endif
- .fs_quotactl = fsfilt_ext3_quotactl,
- .fs_quotacheck = fsfilt_ext3_quotacheck,
- .fs_quotainfo = fsfilt_ext3_quotainfo,
- .fs_qids = fsfilt_ext3_qids,
- .fs_dquot = fsfilt_ext3_dquot,
- .fs_get_mblk = fsfilt_ext3_get_mblk,
.fs_journal_sbdev = fsfilt_ext3_journal_sbdev,
.fs_fid2dentry = fsfilt_ext3_fid2dentry,
};
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/lvfs/lustre_quota_fmt.c
- *
- * Lustre administrative quota format.
- * from linux/fs/quota_v2.c
- */
-
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/mount.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#ifdef HAVE_QUOTAIO_V1_H
-# include <linux/quotaio_v1.h>
-#endif
-
-#include <asm/byteorder.h>
-#include <asm/uaccess.h>
-
-#include <lustre_quota.h>
-#include <obd_support.h>
-#include "lustre_quota_fmt.h"
-
-static const uint lustre_initqversions[][MAXQUOTAS] = {
- [LUSTRE_QUOTA_V2] = LUSTRE_INITQVERSIONS_V2
-};
-
-static const int lustre_dqstrinblk[] = {
- [LUSTRE_QUOTA_V2] = LUSTRE_DQSTRINBLK_V2
-};
-
-static const int lustre_disk_dqblk_sz[] = {
- [LUSTRE_QUOTA_V2] = sizeof(struct lustre_disk_dqblk_v2)
-};
-
-static const union
-{
- struct lustre_disk_dqblk_v2 r1;
-} fakedquot[] = {
- [LUSTRE_QUOTA_V2] = {.r1 = {.dqb_itime = __constant_cpu_to_le64(1LLU)}}
-};
-
-static const union
-{
- struct lustre_disk_dqblk_v2 r1;
-} emptydquot[] = {
- [LUSTRE_QUOTA_V2] = {.r1 = { 0 }}
-};
-
-extern void *lustre_quota_journal_start(struct inode *inode, int delete);
-extern void lustre_quota_journal_stop(void *handle);
-extern ssize_t lustre_read_quota(struct file *f, struct inode *inode, int type,
- char *buf, int count, loff_t pos);
-extern ssize_t lustre_write_quota(struct file *f, char *buf, int count, loff_t pos);
-
-int check_quota_file(struct file *f, struct inode *inode, int type,
- lustre_quota_version_t version)
-{
- struct lustre_disk_dqheader dqhead;
- ssize_t size;
- static const uint quota_magics[] = LUSTRE_INITQMAGICS;
- const uint *quota_versions = lustre_initqversions[version];
-
- size = lustre_read_quota(f, inode, type, (char *)&dqhead,
- sizeof(struct lustre_disk_dqheader), 0);
- if (size != sizeof(struct lustre_disk_dqheader))
- return -EINVAL;
- if (le32_to_cpu(dqhead.dqh_magic) != quota_magics[type] ||
- le32_to_cpu(dqhead.dqh_version) != quota_versions[type])
- return -EINVAL;
- return 0;
-}
-
-/**
- * Check whether given file is really lustre admin quotafile
- */
-int lustre_check_quota_file(struct lustre_quota_info *lqi, int type)
-{
- struct file *f = lqi->qi_files[type];
- return check_quota_file(f, NULL, type, lqi->qi_version);
-}
-EXPORT_SYMBOL(lustre_check_quota_file);
-
-int lustre_read_quota_file_info(struct file* f, struct lustre_mem_dqinfo* info)
-{
- struct lustre_disk_dqinfo dinfo;
- ssize_t size;
-
- size = lustre_read_quota(f, NULL, 0, (char *)&dinfo,
- sizeof(struct lustre_disk_dqinfo),
- LUSTRE_DQINFOOFF);
-
- if (size != sizeof(struct lustre_disk_dqinfo)) {
- CDEBUG(D_ERROR, "Can't read info structure on device %s.\n",
- f->f_vfsmnt->mnt_sb->s_id);
- return -EINVAL;
- }
- info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace);
- info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace);
- info->dqi_flags = le32_to_cpu(dinfo.dqi_flags);
- info->dqi_blocks = le32_to_cpu(dinfo.dqi_blocks);
- info->dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk);
- info->dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry);
- return 0;
-}
-
-/**
- * Read information header from quota file
- */
-int lustre_read_quota_info(struct lustre_quota_info *lqi, int type)
-{
- return lustre_read_quota_file_info(lqi->qi_files[type],
- &lqi->qi_info[type]);
-}
-EXPORT_SYMBOL(lustre_read_quota_info);
-
-/**
- * Write information header to quota file
- */
-int lustre_write_quota_info(struct lustre_quota_info *lqi, int type)
-{
- struct lustre_disk_dqinfo dinfo;
- struct lustre_mem_dqinfo *info = &lqi->qi_info[type];
- struct file *f = lqi->qi_files[type];
- ssize_t size;
-
- info->dqi_flags &= ~DQF_INFO_DIRTY;
- dinfo.dqi_bgrace = cpu_to_le32(info->dqi_bgrace);
- dinfo.dqi_igrace = cpu_to_le32(info->dqi_igrace);
- dinfo.dqi_flags = cpu_to_le32(info->dqi_flags & DQF_MASK);
- dinfo.dqi_blocks = cpu_to_le32(info->dqi_blocks);
- dinfo.dqi_free_blk = cpu_to_le32(info->dqi_free_blk);
- dinfo.dqi_free_entry = cpu_to_le32(info->dqi_free_entry);
-
- size = lustre_write_quota(f, (char *)&dinfo,
- sizeof(struct lustre_disk_dqinfo),
- LUSTRE_DQINFOOFF);
-
- if (size != sizeof(struct lustre_disk_dqinfo)) {
- CDEBUG(D_WARNING,
- "Can't write info structure on device %s.\n",
- f->f_vfsmnt->mnt_sb->s_id);
- return -1;
- }
- return 0;
-}
-EXPORT_SYMBOL(lustre_write_quota_info);
-
-void disk2memdqb(struct lustre_mem_dqblk *m, void *d,
- lustre_quota_version_t version)
-{
- struct lustre_disk_dqblk_v2 *dqblk = (struct lustre_disk_dqblk_v2 *)d;
-
- LASSERT(version == LUSTRE_QUOTA_V2);
-
- m->dqb_ihardlimit = le64_to_cpu(dqblk->dqb_ihardlimit);
- m->dqb_isoftlimit = le64_to_cpu(dqblk->dqb_isoftlimit);
- m->dqb_curinodes = le64_to_cpu(dqblk->dqb_curinodes);
- m->dqb_itime = le64_to_cpu(dqblk->dqb_itime);
- m->dqb_bhardlimit = le64_to_cpu(dqblk->dqb_bhardlimit);
- m->dqb_bsoftlimit = le64_to_cpu(dqblk->dqb_bsoftlimit);
- m->dqb_curspace = le64_to_cpu(dqblk->dqb_curspace);
- m->dqb_btime = le64_to_cpu(dqblk->dqb_btime);
-}
-
-static int mem2diskdqb(void *d, struct lustre_mem_dqblk *m,
- qid_t id, lustre_quota_version_t version)
-{
- struct lustre_disk_dqblk_v2 *dqblk = (struct lustre_disk_dqblk_v2 *)d;
-
- LASSERT(version == LUSTRE_QUOTA_V2);
-
- dqblk->dqb_ihardlimit = cpu_to_le64(m->dqb_ihardlimit);
- dqblk->dqb_isoftlimit = cpu_to_le64(m->dqb_isoftlimit);
- dqblk->dqb_curinodes = cpu_to_le64(m->dqb_curinodes);
- dqblk->dqb_itime = cpu_to_le64(m->dqb_itime);
- dqblk->dqb_bhardlimit = cpu_to_le64(m->dqb_bhardlimit);
- dqblk->dqb_bsoftlimit = cpu_to_le64(m->dqb_bsoftlimit);
- dqblk->dqb_curspace = cpu_to_le64(m->dqb_curspace);
- dqblk->dqb_btime = cpu_to_le64(m->dqb_btime);
- dqblk->dqb_id = cpu_to_le32(id);
-
- return 0;
-}
-
-dqbuf_t getdqbuf(void)
-{
- dqbuf_t buf = kmalloc(LUSTRE_DQBLKSIZE, GFP_NOFS);
- if (!buf)
- CDEBUG(D_WARNING,
- "VFS: Not enough memory for quota buffers.\n");
- return buf;
-}
-
-void freedqbuf(dqbuf_t buf)
-{
- kfree(buf);
-}
-
-ssize_t read_blk(struct file *filp, struct inode *inode, int type,
- uint blk, dqbuf_t buf)
-{
- ssize_t ret;
-
- memset(buf, 0, LUSTRE_DQBLKSIZE);
- ret = lustre_read_quota(filp, inode, type, (char *)buf, LUSTRE_DQBLKSIZE,
- blk << LUSTRE_DQBLKSIZE_BITS);
-
- /* Reading past EOF just returns a block of zeros */
- if (ret == -EBADR)
- ret = 0;
-
- return ret;
-}
-
-ssize_t write_blk(struct file *filp, uint blk, dqbuf_t buf)
-{
- ssize_t ret;
-
- ret = lustre_write_quota(filp, (char *)buf, LUSTRE_DQBLKSIZE,
- blk << LUSTRE_DQBLKSIZE_BITS);
-
- return ret;
-}
-
-void lustre_mark_info_dirty(struct lustre_mem_dqinfo *info)
-{
- cfs_set_bit(DQF_INFO_DIRTY_B, &info->dqi_flags);
-}
-
-/**
- * Remove empty block from list and return it
- */
-int get_free_dqblk(struct file *filp, struct lustre_mem_dqinfo *info)
-{
- dqbuf_t buf = getdqbuf();
- struct lustre_disk_dqdbheader *dh =
- (struct lustre_disk_dqdbheader *)buf;
- int ret, blk;
-
- if (!buf)
- return -ENOMEM;
- if (info->dqi_free_blk) {
- blk = info->dqi_free_blk;
- if ((ret = read_blk(filp, NULL, 0, blk, buf)) < 0)
- goto out_buf;
- info->dqi_free_blk = le32_to_cpu(dh->dqdh_next_free);
- } else {
- memset(buf, 0, LUSTRE_DQBLKSIZE);
- /* Assure block allocation... */
- if ((ret = write_blk(filp, info->dqi_blocks, buf)) < 0)
- goto out_buf;
- blk = info->dqi_blocks++;
- }
- lustre_mark_info_dirty(info);
- ret = blk;
-out_buf:
- freedqbuf(buf);
- return ret;
-}
-
-/**
- * Insert empty block to the list
- */
-int put_free_dqblk(struct file *filp, struct lustre_mem_dqinfo *info,
- dqbuf_t buf, uint blk)
-{
- struct lustre_disk_dqdbheader *dh =
- (struct lustre_disk_dqdbheader *)buf;
- int err;
-
- dh->dqdh_next_free = cpu_to_le32(info->dqi_free_blk);
- dh->dqdh_prev_free = cpu_to_le32(0);
- dh->dqdh_entries = cpu_to_le16(0);
- info->dqi_free_blk = blk;
- lustre_mark_info_dirty(info);
- if ((err = write_blk(filp, blk, buf)) < 0)
- /* Some strange block. We had better leave it... */
- return err;
- return 0;
-}
-
-/**
- * Remove given block from the list of blocks with free entries
- */
-int remove_free_dqentry(struct file *filp,
- struct lustre_mem_dqinfo *info, dqbuf_t buf,
- uint blk)
-{
- dqbuf_t tmpbuf = getdqbuf();
- struct lustre_disk_dqdbheader *dh =
- (struct lustre_disk_dqdbheader *)buf;
- uint nextblk = le32_to_cpu(dh->dqdh_next_free), prevblk =
- le32_to_cpu(dh->dqdh_prev_free);
- int err;
-
- if (!tmpbuf)
- return -ENOMEM;
- if (nextblk) {
- if ((err = read_blk(filp, NULL, 0, nextblk, tmpbuf)) < 0)
- goto out_buf;
- ((struct lustre_disk_dqdbheader *)tmpbuf)->dqdh_prev_free =
- dh->dqdh_prev_free;
- if ((err = write_blk(filp, nextblk, tmpbuf)) < 0)
- goto out_buf;
- }
- if (prevblk) {
- if ((err = read_blk(filp, NULL, 0, prevblk, tmpbuf)) < 0)
- goto out_buf;
- ((struct lustre_disk_dqdbheader *)tmpbuf)->dqdh_next_free =
- dh->dqdh_next_free;
- if ((err = write_blk(filp, prevblk, tmpbuf)) < 0)
- goto out_buf;
- } else {
- info->dqi_free_entry = nextblk;
- lustre_mark_info_dirty(info);
- }
- freedqbuf(tmpbuf);
- dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0);
- if (write_blk(filp, blk, buf) < 0)
- /* No matter whether write succeeds block is out of list */
- CDEBUG(D_ERROR,
- "VFS: Can't write block (%u) with free entries.\n", blk);
- return 0;
-out_buf:
- freedqbuf(tmpbuf);
- return err;
-}
-
-/**
- * Insert given block to the beginning of list with free entries
- */
-int insert_free_dqentry(struct file *filp,
- struct lustre_mem_dqinfo *info, dqbuf_t buf,
- uint blk)
-{
- dqbuf_t tmpbuf = getdqbuf();
- struct lustre_disk_dqdbheader *dh =
- (struct lustre_disk_dqdbheader *)buf;
- int err;
-
- if (!tmpbuf)
- return -ENOMEM;
- dh->dqdh_next_free = cpu_to_le32(info->dqi_free_entry);
- dh->dqdh_prev_free = cpu_to_le32(0);
- if ((err = write_blk(filp, blk, buf)) < 0)
- goto out_buf;
- if (info->dqi_free_entry) {
- if ((err = read_blk(filp, NULL, 0, info->dqi_free_entry, tmpbuf)) < 0)
- goto out_buf;
- ((struct lustre_disk_dqdbheader *)tmpbuf)->dqdh_prev_free =
- cpu_to_le32(blk);
- if ((err = write_blk(filp, info->dqi_free_entry, tmpbuf)) < 0)
- goto out_buf;
- }
- freedqbuf(tmpbuf);
- info->dqi_free_entry = blk;
- lustre_mark_info_dirty(info);
- return 0;
-out_buf:
- freedqbuf(tmpbuf);
- return err;
-}
-
-
-
-/**
- * Find space for dquot
- */
-static uint find_free_dqentry(struct lustre_dquot *dquot, int *err,
- lustre_quota_version_t version)
-{
- struct lustre_quota_info *lqi = dquot->dq_info;
- struct file *filp = lqi->qi_files[dquot->dq_type];
- struct lustre_mem_dqinfo *info = &lqi->qi_info[dquot->dq_type];
- uint blk, i;
- struct lustre_disk_dqdbheader *dh;
- void *ddquot;
- int dqblk_sz = lustre_disk_dqblk_sz[version];
- int dqstrinblk = lustre_dqstrinblk[version];
- dqbuf_t buf;
-
- *err = 0;
- if (!(buf = getdqbuf())) {
- *err = -ENOMEM;
- return 0;
- }
- dh = (struct lustre_disk_dqdbheader *)buf;
- ddquot = GETENTRIES(buf, version);
- if (info->dqi_free_entry) {
- blk = info->dqi_free_entry;
- if ((*err = read_blk(filp, NULL, 0, blk, buf)) < 0)
- goto out_buf;
- } else {
- blk = get_free_dqblk(filp, info);
- if ((int)blk < 0) {
- *err = blk;
- freedqbuf(buf);
- return 0;
- }
- memset(buf, 0, LUSTRE_DQBLKSIZE);
- info->dqi_free_entry = blk; /* This is enough as block is
- already zeroed and entry list
- is empty... */
- lustre_mark_info_dirty(info);
- }
-
- /* Will block be full */
- if (le16_to_cpu(dh->dqdh_entries) + 1 >= dqstrinblk)
- if ((*err = remove_free_dqentry(filp, info, buf, blk)) < 0) {
- CDEBUG(D_ERROR,
- "VFS: find_free_dqentry(): Can't remove block "
- "(%u) from entry free list.\n", blk);
- goto out_buf;
- }
- dh->dqdh_entries = cpu_to_le16(le16_to_cpu(dh->dqdh_entries) + 1);
- /* Find free structure in block */
- for (i = 0; i < dqstrinblk &&
- memcmp((char *)&emptydquot[version],
- (char *)ddquot + i * dqblk_sz, dqblk_sz);
- i++);
-
- if (i == dqstrinblk) {
- CDEBUG(D_ERROR,
- "VFS: find_free_dqentry(): Data block full but it "
- "shouldn't.\n");
- *err = -EIO;
- goto out_buf;
- }
-
- if ((*err = write_blk(filp, blk, buf)) < 0) {
- CDEBUG(D_ERROR,
- "VFS: find_free_dqentry(): Can't write quota data "
- "block %u.\n", blk);
- goto out_buf;
- }
- dquot->dq_off =
- (blk << LUSTRE_DQBLKSIZE_BITS) +
- sizeof(struct lustre_disk_dqdbheader) +
- i * dqblk_sz;
- freedqbuf(buf);
- return blk;
-out_buf:
- freedqbuf(buf);
- return 0;
-}
-
-/**
- * Insert reference to structure into the trie
- */
-static int do_insert_tree(struct lustre_dquot *dquot, uint * treeblk, int depth,
- lustre_quota_version_t version)
-{
- struct lustre_quota_info *lqi = dquot->dq_info;
- struct file *filp = lqi->qi_files[dquot->dq_type];
- struct lustre_mem_dqinfo *info = &lqi->qi_info[dquot->dq_type];
- dqbuf_t buf;
- int ret = 0, newson = 0, newact = 0;
- u32 *ref;
- uint newblk;
-
- if (!(buf = getdqbuf()))
- return -ENOMEM;
- if (!*treeblk) {
- ret = get_free_dqblk(filp, info);
- if (ret < 0)
- goto out_buf;
- *treeblk = ret;
- memset(buf, 0, LUSTRE_DQBLKSIZE);
- newact = 1;
- } else {
- if ((ret = read_blk(filp, NULL, 0, *treeblk, buf)) < 0) {
- CERROR("VFS: Can't read tree quota block %u.\n",
- *treeblk);
- goto out_buf;
- }
- }
- ref = (u32 *) buf;
- newblk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]);
- if (!newblk)
- newson = 1;
- if (depth == LUSTRE_DQTREEDEPTH - 1) {
-
- if (newblk) {
- CDEBUG(D_ERROR,
- "VFS: Inserting already present quota entry "
- "(block %u).\n",
- ref[GETIDINDEX(dquot->dq_id, depth)]);
- ret = -EIO;
- goto out_buf;
- }
-
- newblk = find_free_dqentry(dquot, &ret, version);
- } else
- ret = do_insert_tree(dquot, &newblk, depth + 1, version);
- if (newson && ret >= 0) {
- ref[GETIDINDEX(dquot->dq_id, depth)] = cpu_to_le32(newblk);
- ret = write_blk(filp, *treeblk, buf);
- } else if (newact && ret < 0)
- put_free_dqblk(filp, info, buf, *treeblk);
-out_buf:
- freedqbuf(buf);
- return ret;
-}
-
-/**
- * Wrapper for inserting quota structure into tree
- */
-static inline int dq_insert_tree(struct lustre_dquot *dquot,
- lustre_quota_version_t version)
-{
- int tmp = LUSTRE_DQTREEOFF;
- return do_insert_tree(dquot, &tmp, 0, version);
-}
-
-/**
- * We don't have to be afraid of deadlocks as we never have quotas on
- * quota files...
- */
-static int lustre_write_dquot(struct lustre_dquot *dquot,
- lustre_quota_version_t version)
-{
- int type = dquot->dq_type;
- struct file *filp;
- loff_t offset;
- ssize_t ret;
- int dqblk_sz = lustre_disk_dqblk_sz[version];
- struct lustre_disk_dqblk_v2 ddquot;
-
- ret = mem2diskdqb(&ddquot, &dquot->dq_dqb, dquot->dq_id, version);
- if (ret < 0)
- return ret;
-
- if (!dquot->dq_off)
- if ((ret = dq_insert_tree(dquot, version)) < 0) {
- CDEBUG(D_ERROR,
- "VFS: Error %Zd occurred while creating "
- "quota.\n", ret);
- return ret;
- }
- filp = dquot->dq_info->qi_files[type];
- offset = dquot->dq_off;
- /* Argh... We may need to write structure full of zeroes but that would
- * be treated as an empty place by the rest of the code. Format change
- * would be definitely cleaner but the problems probably are not worth
- * it */
- if (!memcmp((char *)&emptydquot[version], (char *)&ddquot, dqblk_sz))
- ddquot.dqb_itime = cpu_to_le64(1);
-
- ret = lustre_write_quota(filp, (char *)&ddquot, dqblk_sz, offset);
- if (ret != dqblk_sz) {
- CDEBUG(D_WARNING, "VFS: dquota write failed on dev %s\n",
- filp->f_dentry->d_sb->s_id);
- if (ret >= 0)
- ret = -ENOSPC;
- } else
- ret = 0;
-
- return ret;
-}
-
-/**
- * Free dquot entry in data block
- */
-static int free_dqentry(struct lustre_dquot *dquot, uint blk,
- lustre_quota_version_t version)
-{
- struct file *filp = dquot->dq_info->qi_files[dquot->dq_type];
- struct lustre_mem_dqinfo *info =
- &dquot->dq_info->qi_info[dquot->dq_type];
- struct lustre_disk_dqdbheader *dh;
- dqbuf_t buf = getdqbuf();
- int dqstrinblk = lustre_dqstrinblk[version];
- int ret = 0;
-
- if (!buf)
- return -ENOMEM;
- if (dquot->dq_off >> LUSTRE_DQBLKSIZE_BITS != blk) {
- CDEBUG(D_ERROR,
- "VFS: Quota structure has offset to other block (%u) "
- "than it should (%u).\n",
- blk, (uint) (dquot->dq_off >> LUSTRE_DQBLKSIZE_BITS));
- goto out_buf;
- }
- if ((ret = read_blk(filp, NULL, 0, blk, buf)) < 0) {
- CDEBUG(D_ERROR, "VFS: Can't read quota data block %u\n", blk);
- goto out_buf;
- }
- dh = (struct lustre_disk_dqdbheader *)buf;
- dh->dqdh_entries = cpu_to_le16(le16_to_cpu(dh->dqdh_entries) - 1);
- if (!le16_to_cpu(dh->dqdh_entries)) { /* Block got free? */
- if ((ret = remove_free_dqentry(filp, info, buf, blk)) < 0 ||
- (ret = put_free_dqblk(filp, info, buf, blk)) < 0) {
- CDEBUG(D_ERROR,
- "VFS: Can't move quota data block (%u) to free "
- "list.\n", blk);
- goto out_buf;
- }
- } else {
- memset(buf + (dquot->dq_off & ((1<<LUSTRE_DQBLKSIZE_BITS) - 1)),
- 0, lustre_disk_dqblk_sz[version]);
- if (le16_to_cpu(dh->dqdh_entries) == dqstrinblk - 1) {
- /* Insert will write block itself */
- if ((ret =
- insert_free_dqentry(filp, info, buf, blk)) < 0) {
- CDEBUG(D_ERROR,
- "VFS: Can't insert quota data block "
- "(%u) to free entry list.\n", blk);
- goto out_buf;
- }
- } else if ((ret = write_blk(filp, blk, buf)) < 0) {
- CDEBUG(D_ERROR,
- "VFS: Can't write quota data block %u\n", blk);
- goto out_buf;
- }
- }
- dquot->dq_off = 0; /* Quota is now unattached */
-out_buf:
- freedqbuf(buf);
- return ret;
-}
-
-/**
- * Remove reference to dquot from tree
- */
-static int remove_tree(struct lustre_dquot *dquot, uint * blk, int depth,
- lustre_quota_version_t version)
-{
- struct file *filp = dquot->dq_info->qi_files[dquot->dq_type];
- struct lustre_mem_dqinfo *info =
- &dquot->dq_info->qi_info[dquot->dq_type];
- dqbuf_t buf = getdqbuf();
- int ret = 0;
- uint newblk;
- u32 *ref = (u32 *) buf;
-
- if (!buf)
- return -ENOMEM;
- if ((ret = read_blk(filp, NULL, 0, *blk, buf)) < 0) {
- CERROR("VFS: Can't read quota data block %u\n", *blk);
- goto out_buf;
- }
- newblk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]);
- if (depth == LUSTRE_DQTREEDEPTH - 1) {
- ret = free_dqentry(dquot, newblk, version);
- newblk = 0;
- } else
- ret = remove_tree(dquot, &newblk, depth + 1, version);
- if (ret >= 0 && !newblk) {
- int i;
- ref[GETIDINDEX(dquot->dq_id, depth)] = cpu_to_le32(0);
- for (i = 0; i < LUSTRE_DQBLKSIZE && !buf[i]; i++)
- /* Block got empty? */ ;
- /* don't put the root block into free blk list! */
- if (i == LUSTRE_DQBLKSIZE && *blk != LUSTRE_DQTREEOFF) {
- put_free_dqblk(filp, info, buf, *blk);
- *blk = 0;
- } else if ((ret = write_blk(filp, *blk, buf)) < 0)
- CDEBUG(D_ERROR,
- "VFS: Can't write quota tree block %u.\n", *blk);
- }
-out_buf:
- freedqbuf(buf);
- return ret;
-}
-
-/**
- * Delete dquot from tree
- */
-static int lustre_delete_dquot(struct lustre_dquot *dquot,
- lustre_quota_version_t version)
-{
- uint tmp = LUSTRE_DQTREEOFF;
-
- if (!dquot->dq_off) /* Even not allocated? */
- return 0;
- return remove_tree(dquot, &tmp, 0, version);
-}
-
-/**
- * Find entry in block
- */
-static loff_t find_block_dqentry(struct lustre_dquot *dquot, uint blk,
- lustre_quota_version_t version)
-{
- struct file *filp = dquot->dq_info->qi_files[dquot->dq_type];
- dqbuf_t buf = getdqbuf();
- loff_t ret = 0;
- int i;
- struct lustre_disk_dqblk_v2 *ddquot =
- (struct lustre_disk_dqblk_v2 *)GETENTRIES(buf, version);
- int dqblk_sz = lustre_disk_dqblk_sz[version];
- int dqstrinblk = lustre_dqstrinblk[version];
-
- LASSERT(version == LUSTRE_QUOTA_V2);
-
- if (!buf)
- return -ENOMEM;
- if ((ret = read_blk(filp, NULL, 0, blk, buf)) < 0) {
- CERROR("VFS: Can't read quota tree block %u.\n", blk);
- goto out_buf;
- }
- if (dquot->dq_id)
- for (i = 0; i < dqstrinblk &&
- le32_to_cpu(ddquot[i].dqb_id) != dquot->dq_id;
- i++) ;
- else { /* ID 0 as a bit more complicated searching... */
- for (i = 0; i < dqstrinblk; i++)
- if (!le32_to_cpu(ddquot[i].dqb_id)
- && memcmp((char *)&emptydquot[version],
- (char *)&ddquot[i], dqblk_sz))
- break;
- }
- if (i == dqstrinblk) {
- CDEBUG(D_ERROR,
- "VFS: Quota for id %u referenced but not present.\n",
- dquot->dq_id);
- ret = -EIO;
- goto out_buf;
- } else
- ret =
- (blk << LUSTRE_DQBLKSIZE_BITS) +
- sizeof(struct lustre_disk_dqdbheader) +
- i * dqblk_sz;
-out_buf:
- freedqbuf(buf);
- return ret;
-}
-
-/**
- * Find entry for given id in the tree
- */
-static loff_t find_tree_dqentry(struct lustre_dquot *dquot, uint blk, int depth,
- lustre_quota_version_t version)
-{
- struct file *filp = dquot->dq_info->qi_files[dquot->dq_type];
- dqbuf_t buf = getdqbuf();
- loff_t ret = 0;
- u32 *ref = (u32 *) buf;
-
- if (!buf)
- return -ENOMEM;
- if ((ret = read_blk(filp, NULL, 0, blk, buf)) < 0) {
- CERROR("VFS: Can't read quota tree block %u.\n", blk);
- goto out_buf;
- }
- ret = 0;
- blk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]);
- if (!blk) /* No reference? */
- goto out_buf;
- if (depth < LUSTRE_DQTREEDEPTH - 1)
- ret = find_tree_dqentry(dquot, blk, depth + 1, version);
- else
- ret = find_block_dqentry(dquot, blk, version);
-out_buf:
- freedqbuf(buf);
- return ret;
-}
-
-/**
- * Find entry for given id in the tree - wrapper function
- */
-static inline loff_t find_dqentry(struct lustre_dquot *dquot,
- lustre_quota_version_t version)
-{
- return find_tree_dqentry(dquot, LUSTRE_DQTREEOFF, 0, version);
-}
-
-int lustre_read_dquot(struct lustre_dquot *dquot)
-{
- int type = dquot->dq_type;
- struct file *filp;
- loff_t offset;
- int ret = 0, dqblk_sz;
- lustre_quota_version_t version;
-
- /* Invalidated quota? */
- if (!dquot->dq_info || !(filp = dquot->dq_info->qi_files[type])) {
- CDEBUG(D_ERROR, "VFS: Quota invalidated while reading!\n");
- return -ESRCH;
- }
-
- version = dquot->dq_info->qi_version;
- LASSERT(version == LUSTRE_QUOTA_V2);
- dqblk_sz = lustre_disk_dqblk_sz[version];
-
- offset = find_dqentry(dquot, version);
- if (offset <= 0) { /* Entry not present? */
- if (offset < 0)
- CDEBUG(D_ERROR,
- "VFS: Can't read quota structure for id %u.\n",
- dquot->dq_id);
- dquot->dq_off = 0;
- cfs_set_bit(DQ_FAKE_B, &dquot->dq_flags);
- memset(&dquot->dq_dqb, 0, sizeof(struct lustre_mem_dqblk));
- ret = offset;
- } else {
- struct lustre_disk_dqblk_v2 ddquot;
-
- dquot->dq_off = offset;
- if ((ret = lustre_read_quota(filp, NULL, type, (char *)&ddquot,
- dqblk_sz, offset)) != dqblk_sz) {
- if (ret >= 0)
- ret = -EIO;
- CDEBUG(D_ERROR,
- "VFS: Error while reading quota structure for id "
- "%u.\n", dquot->dq_id);
- memset((char *)&ddquot, 0, dqblk_sz);
- } else {
- ret = 0;
- /* We need to escape back all-zero structure */
- if (!memcmp((char *)&fakedquot[version],
- (char *)&ddquot, dqblk_sz))
- ddquot.dqb_itime = cpu_to_le64(0);
- }
- disk2memdqb(&dquot->dq_dqb, &ddquot, version);
- }
-
- return ret;
-}
-EXPORT_SYMBOL(lustre_read_dquot);
-
-/**
- * Commit changes of dquot to disk - it might also mean deleting
- * it when quota became fake.
- */
-int lustre_commit_dquot(struct lustre_dquot *dquot)
-{
- int rc = 0;
- lustre_quota_version_t version = dquot->dq_info->qi_version;
- void *handle;
- struct inode *inode = dquot->dq_info->qi_files[dquot->dq_type]->f_dentry->d_inode;
- int delete = 0;
-
- /* always clear the flag so we don't loop on an IO error... */
- cfs_clear_bit(DQ_MOD_B, &dquot->dq_flags);
-
- /* The block/inode usage in admin quotafile isn't the real usage
- * over all cluster, so keep the fake dquot entry on disk is
- * meaningless, just remove it */
- if (cfs_test_bit(DQ_FAKE_B, &dquot->dq_flags))
- delete = 1;
- handle = lustre_quota_journal_start(inode, delete);
- if (unlikely(IS_ERR(handle))) {
- rc = PTR_ERR(handle);
- CERROR("fail to lustre_quota_journal_start: rc = %d\n", rc);
- return rc;
- }
-
- if (delete)
- rc = lustre_delete_dquot(dquot, version);
- else
- rc = lustre_write_dquot(dquot, version);
- lustre_quota_journal_stop(handle);
-
- if (rc < 0)
- return rc;
-
- if (lustre_info_dirty(&dquot->dq_info->qi_info[dquot->dq_type]))
- rc = lustre_write_quota_info(dquot->dq_info, dquot->dq_type);
-
- return rc;
-}
-EXPORT_SYMBOL(lustre_commit_dquot);
-
-int lustre_init_quota_header(struct lustre_quota_info *lqi, int type,
- int fakemagics)
-{
- static const uint quota_magics[] = LUSTRE_INITQMAGICS;
- static const uint fake_magics[] = LUSTRE_BADQMAGICS;
- const uint* quota_versions = lustre_initqversions[lqi->qi_version];
- struct lustre_disk_dqheader dqhead;
- ssize_t size;
- struct file *fp = lqi->qi_files[type];
- int rc = 0;
-
- /* write quotafile header */
- dqhead.dqh_magic = cpu_to_le32(fakemagics ?
- fake_magics[type] : quota_magics[type]);
- dqhead.dqh_version = cpu_to_le32(quota_versions[type]);
- size = lustre_write_quota(fp, (char *)&dqhead,
- sizeof(struct lustre_disk_dqheader), 0);
-
- if (size != sizeof(struct lustre_disk_dqheader)) {
- CDEBUG(D_ERROR, "error writing quoafile header (rc:%d)\n", rc);
- rc = size;
- }
-
- return rc;
-}
-
-/**
- * We need to export this function to initialize quotafile, because we haven't
- * user level check utility
- */
-int lustre_init_quota_info_generic(struct lustre_quota_info *lqi, int type,
- int fakemagics)
-{
- struct lustre_mem_dqinfo *dqinfo = &lqi->qi_info[type];
- int rc;
-
- rc = lustre_init_quota_header(lqi, type, fakemagics);
- if (rc)
- return rc;
-
- /* write init quota info */
- memset(dqinfo, 0, sizeof(*dqinfo));
- dqinfo->dqi_bgrace = MAX_DQ_TIME;
- dqinfo->dqi_igrace = MAX_IQ_TIME;
- dqinfo->dqi_blocks = LUSTRE_DQTREEOFF + 1;
-
- return lustre_write_quota_info(lqi, type);
-}
-
-int lustre_init_quota_info(struct lustre_quota_info *lqi, int type)
-{
- return lustre_init_quota_info_generic(lqi, type, 0);
-}
-EXPORT_SYMBOL(lustre_init_quota_info);
-
-static int walk_block_dqentry(struct file *filp, struct inode *inode, int type,
- uint blk, cfs_list_t *list)
-{
- dqbuf_t buf = getdqbuf();
- loff_t ret = 0;
- struct lustre_disk_dqdbheader *dqhead =
- (struct lustre_disk_dqdbheader *)buf;
- struct dqblk *blk_item;
- struct dqblk *pos;
- cfs_list_t *tmp;
-
- if (!buf)
- return -ENOMEM;
- if ((ret = read_blk(filp, inode, type, blk, buf)) < 0) {
- CERROR("VFS: Can't read quota tree block %u.\n", blk);
- goto out_buf;
- }
- ret = 0;
-
- if (!le32_to_cpu(dqhead->dqdh_entries))
- goto out_buf;
-
- if (cfs_list_empty(list)) {
- tmp = list;
- goto done;
- }
-
- cfs_list_for_each_entry(pos, list, link) {
- if (blk == pos->blk) /* we got this blk already */
- goto out_buf;
- if (blk > pos->blk)
- continue;
- break;
- }
- tmp = &pos->link;
-done:
- blk_item = kmalloc(sizeof(*blk_item), GFP_NOFS);
- if (!blk_item) {
- ret = -ENOMEM;
- goto out_buf;
- }
- blk_item->blk = blk;
- CFS_INIT_LIST_HEAD(&blk_item->link);
-
- cfs_list_add_tail(&blk_item->link, tmp);
-
-out_buf:
- freedqbuf(buf);
- return ret;
-}
-
-int walk_tree_dqentry(struct file *filp, struct inode *inode, int type,
- uint blk, int depth, cfs_list_t *list)
-{
- dqbuf_t buf = getdqbuf();
- loff_t ret = 0;
- int index;
- u32 *ref = (u32 *) buf;
-
- if (!buf)
- return -ENOMEM;
- if ((ret = read_blk(filp, inode, type, blk, buf)) < 0) {
- CERROR("VFS: Can't read quota tree block %u.\n", blk);
- goto out_buf;
- }
- ret = 0;
-
- for (index = 0; index <= 0xff && !ret; index++) {
- blk = le32_to_cpu(ref[index]);
- if (!blk) /* No reference */
- continue;
-
- if (depth < LUSTRE_DQTREEDEPTH - 1)
- ret = walk_tree_dqentry(filp, inode, type, blk,
- depth + 1, list);
- else
- ret = walk_block_dqentry(filp, inode, type, blk, list);
- }
-out_buf:
- freedqbuf(buf);
- return ret;
-}
-
-/**
- * Walk through the quota file (v2 format) to get all ids with quota limit
- */
-int lustre_get_qids(struct file *fp, struct inode *inode, int type,
- cfs_list_t *list)
-{
- cfs_list_t blk_list;
- struct dqblk *blk_item, *tmp;
- dqbuf_t buf = NULL;
- struct lustre_disk_dqblk_v2 *ddquot;
- int rc;
- lustre_quota_version_t version;
-
- ENTRY;
-
- LASSERT(ergo(fp == NULL, inode != NULL));
-
- if (check_quota_file(fp, inode, type, LUSTRE_QUOTA_V2) == 0)
- version = LUSTRE_QUOTA_V2;
- else {
- CDEBUG(D_ERROR, "unknown quota file format!\n");
- RETURN(-EINVAL);
- }
-
- if (!cfs_list_empty(list)) {
- CDEBUG(D_ERROR, "not empty list\n");
- RETURN(-EINVAL);
- }
-
- CFS_INIT_LIST_HEAD(&blk_list);
- rc = walk_tree_dqentry(fp, inode, type, LUSTRE_DQTREEOFF, 0, &blk_list);
- if (rc) {
- CDEBUG(D_ERROR, "walk through quota file failed!(%d)\n", rc);
- GOTO(out_free, rc);
- }
- if (cfs_list_empty(&blk_list))
- RETURN(0);
-
- buf = getdqbuf();
- if (!buf)
- RETURN(-ENOMEM);
- ddquot = (struct lustre_disk_dqblk_v2 *)GETENTRIES(buf, version);
-
- cfs_list_for_each_entry(blk_item, &blk_list, link) {
- loff_t ret = 0;
- int i, dqblk_sz = lustre_disk_dqblk_sz[version];
-
- memset(buf, 0, LUSTRE_DQBLKSIZE);
- if ((ret = read_blk(fp, inode, type, blk_item->blk, buf)) < 0) {
- CERROR("VFS: Can't read quota tree block %u.\n",
- blk_item->blk);
- GOTO(out_free, rc = ret);
- }
-
- for (i = 0; i < lustre_dqstrinblk[version]; i++) {
- struct dquot_id *dqid;
- /* skip empty entry */
- if (!memcmp((char *)&emptydquot[version],
- (char *)&ddquot[i], dqblk_sz))
- continue;
-
- OBD_ALLOC_GFP(dqid, sizeof(*dqid), CFS_ALLOC_NOFS);
- if (!dqid)
- GOTO(out_free, rc = -ENOMEM);
-
- dqid->di_id = le32_to_cpu(ddquot[i].dqb_id);
- dqid->di_flag = le64_to_cpu(ddquot[i].dqb_ihardlimit) ?
- QI_SET : 0;
- dqid->di_flag |= le64_to_cpu(ddquot[i].dqb_bhardlimit) ?
- QB_SET : 0;
-
- CFS_INIT_LIST_HEAD(&dqid->di_link);
- cfs_list_add(&dqid->di_link, list);
- }
- }
-
-out_free:
- cfs_list_for_each_entry_safe(blk_item, tmp, &blk_list, link) {
- cfs_list_del_init(&blk_item->link);
- kfree(blk_item);
- }
- if (buf)
- freedqbuf(buf);
-
- RETURN(rc);
-}
-EXPORT_SYMBOL(lustre_get_qids);
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/lvfs/lustre_quota_fmt.h
- *
- * Lustre administrative quota format
- * from include/linux/quotaio_v2.h
- */
-#ifndef _LUSTRE_QUOTA_FMT_H
-#define _LUSTRE_QUOTA_FMT_H
-
-#include <linux/types.h>
-#include <linux/quota.h>
-
-/*
- * Definitions of magics and versions of current quota files
- * Same with quota v2's magic
- */
-#define LUSTRE_INITQMAGICS {\
- 0xd9c01f11, /** USRQUOTA */\
- 0xd9c01927 /** GRPQUOTA */\
-}
-
-/* Invalid magics that mark quota file as inconsistent */
-#define LUSTRE_BADQMAGICS {\
- 0xbadbadba, /** USRQUOTA */\
- 0xbadbadba /** GRPQUOTA */\
-}
-
-/* for the verson 2 of lustre_disk_dqblk*/
-#define LUSTRE_INITQVERSIONS_V2 {\
- 1, /* USRQUOTA */\
- 1 /* GRPQUOTA */\
-}
-
-/*
- * The following structure defines the format of the disk quota file
- * (as it appears on disk) - the file is a radix tree whose leaves point
- * to blocks of these structures. for the version 2.
- */
-struct lustre_disk_dqblk_v2 {
- __u32 dqb_id; /**< id this quota applies to */
- __u32 padding;
- __u64 dqb_ihardlimit; /**< absolute limit on allocated inodes */
- __u64 dqb_isoftlimit; /**< preferred inode limit */
- __u64 dqb_curinodes; /**< current # allocated inodes */
- __u64 dqb_bhardlimit; /**< absolute limit on disk space (in QUOTABLOCK_SIZE) */
- __u64 dqb_bsoftlimit; /**< preferred limit on disk space (in QUOTABLOCK_SIZE) */
- __u64 dqb_curspace; /**< current space occupied (in bytes) */
- obd_time dqb_btime; /**< time limit for excessive disk use */
- obd_time dqb_itime; /**< time limit for excessive inode use */
-};
-
-/* Number of entries in one blocks(14 entries) */
-#define LUSTRE_DQSTRINBLK_V2 \
- ((LUSTRE_DQBLKSIZE - sizeof(struct lustre_disk_dqdbheader)) \
- / sizeof(struct lustre_disk_dqblk_v2))
-#define GETENTRIES_V2(buf) (((char *)buf)+sizeof(struct lustre_disk_dqdbheader))
-
-#define GETENTRIES(buf,version) ((version == LUSTRE_QUOTA_V2) ? \
- GETENTRIES_V2(buf) : 0)
-
-/*
- * Here are header structures as written on disk and their in-memory copies
- */
-/* First generic header */
-struct lustre_disk_dqheader {
- __u32 dqh_magic; /* Magic number identifying file */
- __u32 dqh_version; /* File version */
-};
-
-/* Header with type and version specific information */
-struct lustre_disk_dqinfo {
- __u32 dqi_bgrace; /* Time before block soft limit becomes hard limit */
- __u32 dqi_igrace; /* Time before inode soft limit becomes hard limit */
- __u32 dqi_flags; /* Flags for quotafile (DQF_*) */
- __u32 dqi_blocks; /* Number of blocks in file */
- __u32 dqi_free_blk; /* Number of first free block in the list */
- __u32 dqi_free_entry; /* Number of block with at least one free entry */
-};
-
-/*
- * Structure of header of block with quota structures. It is padded to 16 bytes so
- * there will be space for exactly 21 quota-entries in a block
- */
-struct lustre_disk_dqdbheader {
- __u32 dqdh_next_free; /* Number of next block with free entry */
- __u32 dqdh_prev_free; /* Number of previous block with free entry */
- __u16 dqdh_entries; /* Number of valid entries in block */
- __u16 dqdh_pad1;
- __u32 dqdh_pad2;
-};
-
-#ifdef LPROCFS
-void lprocfs_quotfmt_test_init_vars(struct lprocfs_static_vars *lvars);
-#else
-static void lprocfs_quotfmt_test_init_vars(struct lprocfs_static_vars *lvars) {}
-#endif
-
-#define LUSTRE_DQINFOOFF sizeof(struct lustre_disk_dqheader) /* Offset of info header in file */
-#define LUSTRE_DQBLKSIZE_BITS 10
-#define LUSTRE_DQBLKSIZE (1 << LUSTRE_DQBLKSIZE_BITS) /* Size of block with quota structures */
-#define LUSTRE_DQTREEOFF 1 /* Offset of tree in file in blocks */
-#define LUSTRE_DQTREEDEPTH 4 /* Depth of quota tree */
-
-typedef char *dqbuf_t;
-
-#define GETIDINDEX(id, depth) (((id) >> ((LUSTRE_DQTREEDEPTH-(depth)-1)*8)) & 0xff)
-
-#define MAX_UL (0xffffffffUL)
-
-#define lustre_info_dirty(info) \
- cfs_test_bit(DQF_INFO_DIRTY_B, &(info)->dqi_flags)
-
-struct dqblk {
- cfs_list_t link;
- uint blk;
-};
-
-/* come from lustre_fmt_common.c */
-dqbuf_t getdqbuf(void);
-void freedqbuf(dqbuf_t buf);
-void disk2memdqb(struct lustre_mem_dqblk *m, void *d,
- enum lustre_quota_version version);
-void lustre_mark_info_dirty(struct lustre_mem_dqinfo *info);
-int lustre_init_quota_header(struct lustre_quota_info *lqi, int type,
- int fakemagics);
-int lustre_init_quota_info_generic(struct lustre_quota_info *lqi, int type,
- int fakemagics);
-int lustre_read_quota_info(struct lustre_quota_info *lqi, int type);
-int lustre_read_quota_file_info(struct file* f, struct lustre_mem_dqinfo* info);
-int lustre_write_quota_info(struct lustre_quota_info *lqi, int type);
-int get_free_dqblk(struct file *filp, struct lustre_mem_dqinfo *info);
-int put_free_dqblk(struct file *filp, struct lustre_mem_dqinfo *info,
- dqbuf_t buf, uint blk);
-int remove_free_dqentry(struct file *filp,
- struct lustre_mem_dqinfo *info, dqbuf_t buf,
- uint blk);
-int insert_free_dqentry(struct file *filp,
- struct lustre_mem_dqinfo *info, dqbuf_t buf,
- uint blk);
-ssize_t quota_read(struct file *file, struct inode *inode, int type,
- uint blk, dqbuf_t buf);
-int walk_tree_dqentry(struct file *filp, struct inode *inode, int type,
- uint blk, int depth, cfs_list_t *list);
-int check_quota_file(struct file *f, struct inode *inode, int type,
- lustre_quota_version_t version);
-int lustre_check_quota_file(struct lustre_quota_info *lqi, int type);
-int lustre_read_dquot(struct lustre_dquot *dquot);
-int lustre_commit_dquot(struct lustre_dquot *dquot);
-int lustre_init_quota_info(struct lustre_quota_info *lqi, int type);
-int lustre_get_qids(struct file *fp, struct inode *inode, int type,
- cfs_list_t *list);
-ssize_t lustre_read_quota(struct file *f, struct inode *inode, int type,
- char *buf, int count, loff_t pos);
-
-#define LUSTRE_ADMIN_QUOTAFILES_V2 {\
- "admin_quotafile_v2.usr", /* user admin quotafile */\
- "admin_quotafile_v2.grp" /* group admin quotafile */\
-}
-
-#define LUSTRE_OPQFILES_NAMES_V2 { "lquota_v2.user", "lquota_v2.group" }
-#endif /* lustre_quota_fmt.h */
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/lvfs/quotafmt_test.c
- *
- * No redistribution or use is permitted outside of Sun Microsystems, Inc.
- *
- * Kernel module to test lustre administrative quotafile format APIs
- * from the OBD setup function
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-
-#include <lustre_quota.h>
-#include <obd_class.h>
-
-#include "lustre_quota_fmt.h"
-
-char *test_quotafile[2] = { "usrquota_test", "grpquota_test" };
-
-static int quotfmt_initialize(struct lustre_quota_info *lqi,
- struct obd_device *tgt,
- struct lvfs_run_ctxt *saved)
-{
- struct lustre_disk_dqheader dqhead;
- static const uint quota_magics[] = LUSTRE_INITQMAGICS;
- static const uint quota_versions[] = LUSTRE_INITQVERSIONS_V2;
- struct file *fp;
- struct inode *parent_inode = tgt->obd_lvfs_ctxt.pwd->d_inode;
- size_t size;
- struct dentry *de;
- int i, rc = 0;
- ENTRY;
-
- push_ctxt(saved, &tgt->obd_lvfs_ctxt, NULL);
-
- for (i = 0; i < MAXQUOTAS; i++) {
- loff_t offset = 0;
- char *name = test_quotafile[i];
- int namelen = strlen(name);
-
- /* remove the stale test quotafile */
- mutex_lock_nested(&parent_inode->i_mutex, I_MUTEX_PARENT);
- de = lookup_one_len(name, tgt->obd_lvfs_ctxt.pwd, namelen);
- if (!IS_ERR(de) && de->d_inode)
- ll_vfs_unlink(parent_inode, de,
- tgt->obd_lvfs_ctxt.pwdmnt);
- if (!IS_ERR(de))
- dput(de);
- mutex_unlock(&parent_inode->i_mutex);
-
- /* create quota file */
- fp = filp_open(name, O_CREAT | O_EXCL, 0644);
- if (IS_ERR(fp)) {
- rc = PTR_ERR(fp);
- CERROR("error creating test quotafile %s (rc = %d)\n",
- name, rc);
- break;
- }
- lqi->qi_files[i] = fp;
-
- /* write quotafile header */
- dqhead.dqh_magic = cpu_to_le32(quota_magics[i]);
- dqhead.dqh_version = cpu_to_le32(quota_versions[i]);
- size = fp->f_op->write(fp, (char *)&dqhead,
- sizeof(struct lustre_disk_dqheader),
- &offset);
- if (size != sizeof(struct lustre_disk_dqheader)) {
- CERROR("error writing quotafile header %s (rc = %d)\n",
- name, rc);
- rc = size;
- break;
- }
- }
-
- RETURN(rc);
-}
-
-static int quotfmt_finalize(struct lustre_quota_info *lqi,
- struct obd_device *tgt, struct lvfs_run_ctxt *saved)
-{
- struct dentry *de;
- struct inode *parent_inode = tgt->obd_lvfs_ctxt.pwd->d_inode;
- int i, rc = 0;
- ENTRY;
-
- for (i = 0; i < MAXQUOTAS; i++) {
- char *name = test_quotafile[i];
- int namelen = strlen(name);
-
- if (lqi->qi_files[i] == NULL)
- continue;
-
- /* close quota file */
- filp_close(lqi->qi_files[i], 0);
-
- /* unlink quota file */
- mutex_lock_nested(&parent_inode->i_mutex, I_MUTEX_PARENT);
-
- de = lookup_one_len(name, tgt->obd_lvfs_ctxt.pwd, namelen);
- if (IS_ERR(de) || de->d_inode == NULL) {
- rc = IS_ERR(de) ? PTR_ERR(de) : -ENOENT;
- CERROR("error lookup quotafile %s (rc = %d)\n",
- name, rc);
- goto dput;
- }
-
- rc = ll_vfs_unlink(parent_inode, de, tgt->obd_lvfs_ctxt.pwdmnt);
- if (rc)
- CERROR("error unlink quotafile %s (rc = %d)\n",
- name, rc);
-dput:
- if (!IS_ERR(de))
- dput(de);
- mutex_unlock(&parent_inode->i_mutex);
- }
-
- pop_ctxt(saved, &tgt->obd_lvfs_ctxt, NULL);
- RETURN(rc);
-}
-
-static int quotfmt_test_1(struct lustre_quota_info *lqi)
-{
- int i;
- ENTRY;
-
- for (i = 0; i < MAXQUOTAS; i++) {
- if (lustre_check_quota_file(lqi, i))
- RETURN(-EINVAL);
- }
- RETURN(0);
-}
-
-static void print_quota_info(struct lustre_quota_info *lqi)
-{
-#if 0
- struct lustre_mem_dqinfo *dqinfo;
- int i;
-
- for (i = 0; i < MAXQUOTAS; i++) {
- dqinfo = &lqi->qi_info[i];
- CDEBUG(D_INFO, "%s quota info:\n", i == USRQUOTA ? "user " : "group");
- CDEBUG(D_INFO, "dqi_bgrace(%u) dqi_igrace(%u) dqi_flags(%lu) dqi_blocks(%u) "
- "dqi_free_blk(%u) dqi_free_entry(%u)\n",
- dqinfo->dqi_bgrace, dqinfo->dqi_igrace, dqinfo->dqi_flags,
- dqinfo->dqi_blocks, dqinfo->dqi_free_blk,
- dqinfo->dqi_free_entry);
- }
-#endif
-}
-
-static int quotfmt_test_2(struct lustre_quota_info *lqi)
-{
- int i, rc = 0;
- ENTRY;
-
- for (i = 0; i < MAXQUOTAS; i++) {
- struct lustre_mem_dqinfo dqinfo;
-
- rc = lustre_init_quota_info(lqi, i);
- if (rc) {
- CERROR("init quotainfo(%d) failed! (rc:%d)\n", i, rc);
- break;
- }
- memcpy(&dqinfo, &lqi->qi_info[i], sizeof(dqinfo));
-
- rc = lustre_read_quota_info(lqi, i);
- if (rc) {
- CERROR("read quotainfo(%d) failed! (rc:%d)\n", i, rc);
- break;
- }
-
- if (memcmp(&dqinfo, &lqi->qi_info[i], sizeof(dqinfo))) {
- rc = -EINVAL;
- break;
- }
- }
- RETURN(rc);
-}
-
-static struct lustre_dquot *get_rand_dquot(struct lustre_quota_info *lqi)
-{
- struct lustre_dquot *dquot;
- unsigned int rand;
-
- OBD_ALLOC(dquot, sizeof(*dquot));
- if (dquot == NULL)
- return NULL;
-
- cfs_get_random_bytes(&rand, sizeof(rand));
- if (!rand)
- rand = 1000;
-
- dquot->dq_info = lqi;
- dquot->dq_id = rand % 1000 + 1;
- dquot->dq_type = rand % MAXQUOTAS;
-
- dquot->dq_dqb.dqb_bhardlimit = rand;
- dquot->dq_dqb.dqb_bsoftlimit = rand / 2;
- dquot->dq_dqb.dqb_curspace = rand / 3;
- dquot->dq_dqb.dqb_ihardlimit = rand;
- dquot->dq_dqb.dqb_isoftlimit = rand / 2;
- dquot->dq_dqb.dqb_curinodes = rand / 3;
- dquot->dq_dqb.dqb_btime = jiffies;
- dquot->dq_dqb.dqb_itime = jiffies;
-
- return dquot;
-}
-
-static void put_rand_dquot(struct lustre_dquot *dquot)
-{
- OBD_FREE(dquot, sizeof(*dquot));
-}
-
-static int write_check_dquot(struct lustre_quota_info *lqi)
-{
- struct lustre_dquot *dquot;
- struct lustre_mem_dqblk dqblk;
- int rc = 0;
- ENTRY;
-
- dquot = get_rand_dquot(lqi);
- if (dquot == NULL)
- RETURN(-ENOMEM);
-
- /* for already exists entry, we set the dq_off by read_dquot */
- rc = lustre_read_dquot(dquot);
- if (rc) {
- CERROR("read dquot failed! (rc:%d)\n", rc);
- GOTO(out, rc);
- }
-
- cfs_clear_bit(DQ_FAKE_B, &dquot->dq_flags);
- /* for already exists entry, we rewrite it */
- rc = lustre_commit_dquot(dquot);
- if (rc) {
- CERROR("commit dquot failed! (rc:%d)\n", rc);
- GOTO(out, rc);
- }
- memcpy(&dqblk, &dquot->dq_dqb, sizeof(dqblk));
- memset(&dquot->dq_dqb, 0, sizeof(dqblk));
-
- rc = lustre_read_dquot(dquot);
- if (rc) {
- CERROR("read dquot failed! (rc:%d)\n", rc);
- GOTO(out, rc);
- }
-
- if (memcmp(&dqblk, &dquot->dq_dqb, sizeof(dqblk))) {
- rc = -EINVAL;
- GOTO(out, rc);
- }
- out:
- put_rand_dquot(dquot);
- RETURN(rc);
-}
-
-static int quotfmt_test_3(struct lustre_quota_info *lqi)
-{
- struct lustre_dquot *dquot;
- int i = 0, rc = 0;
- ENTRY;
-
- dquot = get_rand_dquot(lqi);
- if (dquot == NULL)
- RETURN(-ENOMEM);
- repeat:
- cfs_clear_bit(DQ_FAKE_B, &dquot->dq_flags);
- /* write a new dquot */
- rc = lustre_commit_dquot(dquot);
- if (rc) {
- CERROR("commit dquot failed! (rc:%d)\n", rc);
- GOTO(out, rc);
- }
- dquot->dq_off = 0;
- memset(&dquot->dq_dqb, 0, sizeof(dquot->dq_dqb));
-
- /* check if this dquot is on disk now */
- rc = lustre_read_dquot(dquot);
- if (rc) {
- CERROR("read dquot failed! (rc:%d)\n", rc);
- GOTO(out, rc);
- }
- if (!dquot->dq_off || cfs_test_bit(DQ_FAKE_B, &dquot->dq_flags)) {
- CERROR("the dquot isn't committed\n");
- GOTO(out, rc = -EINVAL);
- }
-
- /* remove this dquot */
- cfs_set_bit(DQ_FAKE_B, &dquot->dq_flags);
- dquot->dq_dqb.dqb_curspace = 0;
- dquot->dq_dqb.dqb_curinodes = 0;
- rc = lustre_commit_dquot(dquot);
- if (rc) {
- CERROR("remove dquot failed! (rc:%d)\n", rc);
- GOTO(out, rc);
- }
-
- /* check if the dquot is really removed */
- cfs_clear_bit(DQ_FAKE_B, &dquot->dq_flags);
- dquot->dq_off = 0;
- rc = lustre_read_dquot(dquot);
- if (rc) {
- CERROR("read dquot failed! (rc:%d)\n", rc);
- GOTO(out, rc);
- }
- if (!cfs_test_bit(DQ_FAKE_B, &dquot->dq_flags) || dquot->dq_off) {
- CERROR("the dquot isn't removed!\n");
- GOTO(out, rc = -EINVAL);
- }
-
- /* check if this dquot can be write again */
- if (++i < 2)
- goto repeat;
-
- print_quota_info(lqi);
-
- out:
- put_rand_dquot(dquot);
- RETURN(rc);
-}
-
-static int quotfmt_test_4(struct lustre_quota_info *lqi)
-{
- int i, rc = 0;
- ENTRY;
-
- for (i = 0; i < 30000; i++) {
- rc = write_check_dquot(lqi);
- if (rc) {
- CERROR("write/check dquot failed at %d! (rc:%d)\n",
- i, rc);
- break;
- }
- }
- print_quota_info(lqi);
- RETURN(rc);
-}
-
-static int quotfmt_run_tests(struct obd_device *obd, struct obd_device *tgt)
-{
- struct lvfs_run_ctxt saved;
- struct lustre_quota_info *lqi = NULL;
- int rc = 0;
- ENTRY;
-
- OBD_ALLOC(lqi, sizeof(*lqi));
- if (lqi == NULL) {
- CERROR("not enough memory\n");
- RETURN(-ENOMEM);
- }
-
- CWARN("=== Initialize quotafile test\n");
- rc = quotfmt_initialize(lqi, tgt, &saved);
- if (rc)
- GOTO(out, rc);
-
- CWARN("=== test 1: check quota header\n");
- rc = quotfmt_test_1(lqi);
- if (rc) {
- CERROR("check quota header failed! (rc:%d)\n", rc);
- GOTO(out, rc);
- }
-
- CWARN("=== test 2: write/read quota info\n");
- rc = quotfmt_test_2(lqi);
- if (rc) {
- CERROR("write/read quota info failed! (rc:%d)\n", rc);
- GOTO(out, rc);
- }
-
- CWARN("=== test 3: write/remove dquot\n");
- rc = quotfmt_test_3(lqi);
- if (rc) {
- CERROR("write/remove dquot failed! (rc:%d)\n", rc);
- GOTO(out, rc);
- }
-
- CWARN("=== test 4: write/read 30000 dquot\n");
- rc = quotfmt_test_4(lqi);
- if (rc) {
- CERROR("write/read 30000 dquot failed\n");
- GOTO(out, rc);
- }
-
-out:
- CWARN("=== Finalize quotafile test\n");
- rc = quotfmt_finalize(lqi, tgt, &saved);
- OBD_FREE(lqi, sizeof(*lqi));
- RETURN(rc);
-}
-
-static int quotfmt_test_cleanup(struct obd_device *obd)
-{
- ENTRY;
- lprocfs_obd_cleanup(obd);
- RETURN(0);
-}
-
-static int quotfmt_test_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
-{
- struct lprocfs_static_vars lvars;
- struct obd_device *tgt;
- int rc;
- ENTRY;
-
- if (lcfg->lcfg_bufcount < 1) {
- CERROR("requires a mds OBD name\n");
- RETURN(-EINVAL);
- }
-
- tgt = class_name2obd(lustre_cfg_string(lcfg, 1));
- if (!tgt || !tgt->obd_attached || !tgt->obd_set_up) {
- CERROR("target device not attached or not set up (%s)\n",
- lustre_cfg_string(lcfg, 1));
- RETURN(-EINVAL);
- }
-
- rc = quotfmt_run_tests(obd, tgt);
- if (rc)
- quotfmt_test_cleanup(obd);
-
- lprocfs_quotfmt_test_init_vars(&lvars);
- lprocfs_obd_setup(obd, lvars.obd_vars);
-
- RETURN(rc);
-}
-
-static struct obd_ops quotfmt_obd_ops = {
- .o_owner = THIS_MODULE,
- .o_setup = quotfmt_test_setup,
- .o_cleanup = quotfmt_test_cleanup,
-};
-
-#ifdef LPROCFS
-static struct lprocfs_vars lprocfs_quotfmt_test_obd_vars[] = { {0} };
-static struct lprocfs_vars lprocfs_quotfmt_test_module_vars[] = { {0} };
-
-void lprocfs_quotfmt_test_init_vars(struct lprocfs_static_vars *lvars)
-{
- lvars->module_vars = lprocfs_quotfmt_test_module_vars;
- lvars->obd_vars = lprocfs_quotfmt_test_obd_vars;
-}
-#endif
-static int __init quotfmt_test_init(void)
-{
- struct lprocfs_static_vars lvars;
-
- lprocfs_quotfmt_test_init_vars(&lvars);
- return class_register_type("fmt_obd_ops, NULL, lvars.module_vars,
- "quotfmt_test", NULL);
-}
-
-static void __exit quotfmt_test_exit(void)
-{
- class_unregister_type("quotfmt_test");
-}
-
-MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
-MODULE_DESCRIPTION("administrative quotafile test module");
-MODULE_LICENSE("GPL");
-
-module_init(quotfmt_test_init);
-module_exit(quotfmt_test_exit);
}
/**
- * Concurrency: serialization provided by callers.
- */
-static void osd_init_quota_ctxt(const struct lu_env *env, struct dt_device *d,
- struct dt_quota_ctxt *ctxt, void *data)
-{
- struct obd_device *obd = (void *)ctxt;
- struct vfsmount *mnt = (struct vfsmount *)data;
- ENTRY;
-
- obd->u.obt.obt_sb = mnt->mnt_root->d_inode->i_sb;
- OBD_SET_CTXT_MAGIC(&obd->obd_lvfs_ctxt);
- obd->obd_lvfs_ctxt.pwdmnt = mnt;
- obd->obd_lvfs_ctxt.pwd = mnt->mnt_root;
- obd->obd_lvfs_ctxt.fs = get_ds();
-
- EXIT;
-}
-
-/**
* Note: we do not count into QUOTA here.
* If we mount with --data_journal we may need more.
*/
.dt_ro = osd_ro,
.dt_commit_async = osd_commit_async,
.dt_init_capa_ctxt = osd_init_capa_ctxt,
- .dt_init_quota_ctxt= osd_init_quota_ctxt,
};
static void osd_object_read_lock(const struct lu_env *env,
git://git.whamcloud.com / fs / lustre-release.git / commitdiff