* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
if (iattr->ia_valid & ATTR_MODE) {
inode->i_mode = iattr->ia_mode;
- if (!in_group_p(inode->i_gid) &&
+ if (!cfs_curproc_is_in_groups(inode->i_gid) &&
!cfs_capable(CFS_CAP_FSETID))
inode->i_mode &= ~S_ISGID;
}
ENTRY;
/* FIXME: Can't do this because of nested transaction deadlock */
- if (cmd == EXT3_IOC_SETFLAGS && (*(int *)arg) & EXT3_JOURNAL_DATA_FL) {
- CERROR("can't set data journal flag on file\n");
- RETURN(-EPERM);
+ if (cmd == EXT3_IOC_SETFLAGS) {
+ /* We can't enable data journaling on OST objects, because
+ * this forces the transaction to be closed in order to
+ * flush the journal, but the caller will already have a
+ * compound transaction open to update the last_rcvd file,
+ * and this thread would deadlock trying to set the flag. */
+ if ((*(int *)arg) & EXT3_JOURNAL_DATA_FL) {
+ CERROR("can't set data journal flag on file\n");
+ RETURN(-EPERM);
+ }
+ /* Because the MDS does not see the EXTENTS_FL set on the
+ * OST objects, mask this flag into all set flags. It is
+ * not legal to clear this flag in any case, so we are not
+ * changing the functionality by doing this. b=22911 */
+ *(int *)arg |= EXT3_I(inode)->i_flags & EXT3_EXTENTS_FL;
}
#ifdef HAVE_EXT4_LDISKFS
int fsfilt_ext3_map_inode_pages(struct inode *inode, struct page **page,
int pages, unsigned long *blocks,
int *created, int create,
- struct semaphore *optional_sem)
+ cfs_semaphore_t *optional_sem)
{
int rc;
#ifdef EXT3_MULTIBLOCK_ALLOCATOR
}
#endif
if (optional_sem != NULL)
- down(optional_sem);
+ cfs_down(optional_sem);
rc = fsfilt_ext3_map_bm_inode_pages(inode, page, pages, blocks,
created, create);
if (optional_sem != NULL)
- up(optional_sem);
+ cfs_up(optional_sem);
return rc;
}
int err, blocksize, csize, boffs, osize = size;
/* prevent reading after eof */
- lock_kernel();
+ cfs_lock_kernel();
if (i_size_read(inode) < *offs + size) {
size = i_size_read(inode) - *offs;
- unlock_kernel();
+ cfs_unlock_kernel();
if (size < 0) {
- CERROR("size %llu is too short for read %u@%llu\n",
- i_size_read(inode), size, *offs);
- return -EIO;
+ CDEBUG(D_EXT2, "size %llu is too short for read @%llu\n",
+ i_size_read(inode), *offs);
+ return -EBADR;
} else if (size == 0) {
return 0;
}
} else {
- unlock_kernel();
+ cfs_unlock_kernel();
}
blocksize = 1 << inode->i_blkbits;
/* correct in-core and on-disk sizes */
if (new_size > i_size_read(inode)) {
- lock_kernel();
+ cfs_lock_kernel();
if (new_size > i_size_read(inode))
i_size_write(inode, new_size);
if (i_size_read(inode) > EXT3_I(inode)->i_disksize)
EXT3_I(inode)->i_disksize = i_size_read(inode);
if (i_size_read(inode) > old_size)
mark_inode_dirty(inode);
- unlock_kernel();
+ cfs_unlock_kernel();
}
if (err == 0)
}
struct chk_dqblk{
- struct hlist_node dqb_hash; /** quotacheck hash */
- struct list_head dqb_list; /** in list also */
+ 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 */
}
static inline struct chk_dqblk *
-find_chkquot(struct hlist_head *head, qid_t id, int type)
+find_chkquot(cfs_hlist_head_t *head, qid_t id, int type)
{
- struct hlist_node *node;
+ cfs_hlist_node_t *node;
struct chk_dqblk *cdqb;
- hlist_for_each(node, head) {
- cdqb = hlist_entry(node, struct chk_dqblk, dqb_hash);
+ 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;
}
OBD_ALLOC_PTR(cdqb);
if (cdqb) {
- INIT_HLIST_NODE(&cdqb->dqb_hash);
- INIT_LIST_HEAD(&cdqb->dqb_list);
+ CFS_INIT_HLIST_NODE(&cdqb->dqb_hash);
+ CFS_INIT_LIST_HEAD(&cdqb->dqb_list);
cdqb->dqb_id = id;
cdqb->dqb_type = type;
}
}
static struct chk_dqblk *
-cqget(struct super_block *sb, struct hlist_head *hash, struct list_head *list,
- qid_t id, int type, int first_check)
+cqget(struct super_block *sb, cfs_hlist_head_t *hash,
+ cfs_list_t *list, qid_t id, int type, int first_check)
{
- struct hlist_head *head = hash + chkquot_hash(id, type);
+ cfs_hlist_head_t *head = hash + chkquot_hash(id, type);
struct if_dqblk dqb;
struct chk_dqblk *cdqb;
int rc;
}
}
- hlist_add_head(&cdqb->dqb_hash, head);
- list_add_tail(&cdqb->dqb_list, list);
+ cfs_hlist_add_head(&cdqb->dqb_hash, head);
+ cfs_list_add_tail(&cdqb->dqb_list, list);
return cdqb;
}
#endif
struct qchk_ctxt {
- struct hlist_head qckt_hash[NR_DQHASH]; /* quotacheck hash */
- struct list_head qckt_list; /* quotacheck list */
+ 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 */
+ struct if_dqinfo qckt_dqinfo[MAXQUOTAS]; /* old dqinfo */
};
static int add_inode_quota(struct inode *inode, struct qchk_ctxt *qctxt,
struct chk_dqblk *cdqb, *tmp;
int rc;
- list_for_each_entry_safe(cdqb, tmp, &qctxt->qckt_list, dqb_list) {
+ 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;
}
- hlist_del_init(&cdqb->dqb_hash);
- list_del(&cdqb->dqb_list);
+ cfs_hlist_del_init(&cdqb->dqb_hash);
+ cfs_list_del(&cdqb->dqb_list);
OBD_FREE_PTR(cdqb);
}
}
for (i = 0; i < NR_DQHASH; i++)
- INIT_HLIST_HEAD(&qctxt->qckt_hash[i]);
- INIT_LIST_HEAD(&qctxt->qckt_list);
+ 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))
* has limits but hasn't file) */
#ifdef HAVE_QUOTA_SUPPORT
for (i = 0; i < MAXQUOTAS; i++) {
- struct list_head id_list;
+ cfs_list_t id_list;
struct dquot_id *dqid, *tmp;
if (!Q_TYPESET(oqc, i))
LASSERT(sb_dqopt(sb)->files[i] != NULL);
- INIT_LIST_HEAD(&id_list);
+ CFS_INIT_LIST_HEAD(&id_list);
#ifndef KERNEL_SUPPORTS_QUOTA_READ
rc = lustre_get_qids(sb_dqopt(sb)->files[i], NULL, i, &id_list);
#else
if (rc)
CERROR("read old limits failed. (rc:%d)\n", rc);
- list_for_each_entry_safe(dqid, tmp, &id_list, di_link) {
- list_del_init(&dqid->di_link);
+ 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,
}
static int fsfilt_ext3_qids(struct file *file, struct inode *inode, int type,
- struct list_head *list)
+ cfs_list_t *list)
{
return lustre_get_qids(file, inode, type, list);
}
dquot->dq_dqb.dqb_isoftlimit ||
dquot->dq_dqb.dqb_bhardlimit ||
dquot->dq_dqb.dqb_bsoftlimit)
- clear_bit(DQ_FAKE_B, &dquot->dq_flags);
+ cfs_clear_bit(DQ_FAKE_B, &dquot->dq_flags);
else
- set_bit(DQ_FAKE_B, &dquot->dq_flags);
+ cfs_set_bit(DQ_FAKE_B, &dquot->dq_flags);
rc = lustre_commit_dquot(dquot);
if (rc >= 0)
}
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*FSFILT_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*FSFILT_DATA_TRANS_BLOCKS(inode->i_sb)+2);
+
+ }
+
+ return handle;
+}
+
+void lustre_quota_journal_stop(void *handle)
+{
+ ext3_journal_stop((handle_t *)handle);
+}
+
static struct fsfilt_operations fsfilt_ext3_ops = {
.fs_type = "ext3",
.fs_owner = THIS_MODULE,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff