* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_LLITE
#include <lustre_dlm.h>
-#include <lustre_lite.h>
#include <linux/pagemap.h>
#include <linux/file.h>
#include <linux/sched.h>
op_data->op_attr.ia_ctime = inode->i_ctime;
op_data->op_attr.ia_size = i_size_read(inode);
op_data->op_attr_blocks = inode->i_blocks;
- ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags =
- ll_inode_to_ext_flags(inode->i_flags);
- op_data->op_ioepoch = ll_i2info(inode)->lli_ioepoch;
+ op_data->op_attr_flags = ll_inode_to_ext_flags(inode->i_flags);
if (fh)
op_data->op_handle = *fh;
op_data->op_capa1 = ll_mdscapa_get(inode);
}
/**
- * Closes the IO epoch and packs all the attributes into @op_data for
- * the CLOSE rpc.
+ * Packs all the attributes into @op_data for the CLOSE rpc.
*/
static void ll_prepare_close(struct inode *inode, struct md_op_data *op_data,
struct obd_client_handle *och)
if (!(och->och_flags & FMODE_WRITE))
goto out;
- if (!exp_connect_som(ll_i2mdexp(inode)) || !S_ISREG(inode->i_mode))
- op_data->op_attr.ia_valid |= ATTR_SIZE | ATTR_BLOCKS;
- else
- ll_ioepoch_close(inode, op_data, &och, 0);
+ op_data->op_attr.ia_valid |= ATTR_SIZE | ATTR_BLOCKS;
out:
ll_pack_inode2opdata(inode, op_data, &och->och_fh);
struct md_op_data *op_data;
struct ptlrpc_request *req = NULL;
struct obd_device *obd = class_exp2obd(exp);
- int epoch_close = 1;
int rc;
ENTRY;
op_data->op_lease_handle = och->och_lease_handle;
op_data->op_attr.ia_valid |= ATTR_SIZE | ATTR_BLOCKS;
}
- epoch_close = (op_data->op_flags & MF_EPOCH_CLOSE);
+
rc = md_close(md_exp, op_data, och->och_mod, &req);
- if (rc == -EAGAIN) {
- /* This close must have the epoch closed. */
- LASSERT(epoch_close);
- /* MDS has instructed us to obtain Size-on-MDS attribute from
- * OSTs and send setattr to back to MDS. */
- rc = ll_som_update(inode, op_data);
- if (rc) {
- CERROR("%s: inode "DFID" mdc Size-on-MDS update"
- " failed: rc = %d\n",
- ll_i2mdexp(inode)->exp_obd->obd_name,
- PFID(ll_inode2fid(inode)), rc);
- rc = 0;
- }
- } else if (rc) {
+ if (rc) {
CERROR("%s: inode "DFID" mdc close failed: rc = %d\n",
ll_i2mdexp(inode)->exp_obd->obd_name,
PFID(ll_inode2fid(inode)), rc);
spin_unlock(&lli->lli_lock);
}
- if (rc == 0) {
- rc = ll_objects_destroy(req, inode);
- if (rc)
- CERROR("%s: inode "DFID
- " ll_objects destroy: rc = %d\n",
- ll_i2mdexp(inode)->exp_obd->obd_name,
- PFID(ll_inode2fid(inode)), rc);
- }
-
if (rc == 0 && op_data->op_bias & MDS_HSM_RELEASE) {
struct mdt_body *body;
body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
EXIT;
out:
- if (exp_connect_som(exp) && !epoch_close &&
- S_ISREG(inode->i_mode) && (och->och_flags & FMODE_WRITE)) {
- ll_queue_done_writing(inode, LLIF_DONE_WRITING);
- } else {
- md_clear_open_replay_data(md_exp, och);
- /* Free @och if it is not waiting for DONE_WRITING. */
- och->och_fh.cookie = DEAD_HANDLE_MAGIC;
- OBD_FREE_PTR(och);
- }
+ md_clear_open_replay_data(md_exp, och);
+ och->och_fh.cookie = DEAD_HANDLE_MAGIC;
+ OBD_FREE_PTR(och);
+
if (req) /* This is close request */
ptlrpc_req_finished(req);
return rc;
RETURN(rc);
}
-/**
- * Assign an obtained @ioepoch to client's inode. No lock is needed, MDS does
- * not believe attributes if a few ioepoch holders exist. Attributes for
- * previous ioepoch if new one is opened are also skipped by MDS.
- */
-void ll_ioepoch_open(struct ll_inode_info *lli, __u64 ioepoch)
-{
- if (ioepoch && lli->lli_ioepoch != ioepoch) {
- lli->lli_ioepoch = ioepoch;
- CDEBUG(D_INODE, "Epoch "LPU64" opened on "DFID"\n",
- ioepoch, PFID(&lli->lli_fid));
- }
-}
-
static int ll_och_fill(struct obd_export *md_exp, struct lookup_intent *it,
struct obd_client_handle *och)
{
static int ll_local_open(struct file *file, struct lookup_intent *it,
struct ll_file_data *fd, struct obd_client_handle *och)
{
- struct inode *inode = file->f_dentry->d_inode;
- struct ll_inode_info *lli = ll_i2info(inode);
- ENTRY;
+ struct inode *inode = file->f_dentry->d_inode;
+ ENTRY;
- LASSERT(!LUSTRE_FPRIVATE(file));
+ LASSERT(!LUSTRE_FPRIVATE(file));
- LASSERT(fd != NULL);
+ LASSERT(fd != NULL);
- if (och) {
- struct ptlrpc_request *req = it->d.lustre.it_data;
- struct mdt_body *body;
- int rc;
+ if (och) {
+ int rc;
rc = ll_och_fill(ll_i2sbi(inode)->ll_md_exp, it, och);
if (rc != 0)
RETURN(rc);
-
- body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- ll_ioepoch_open(lli, body->mbo_ioepoch);
}
LUSTRE_FPRIVATE(file) = fd;
/* Fills the obdo with the attributes for the lsm */
static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
struct obd_capa *capa, struct obdo *obdo,
- __u64 ioepoch, int dv_flags)
+ int dv_flags)
{
struct ptlrpc_request_set *set;
struct obd_info oinfo = { { { 0 } } };
oinfo.oi_oa = obdo;
oinfo.oi_oa->o_oi = lsm->lsm_oi;
oinfo.oi_oa->o_mode = S_IFREG;
- oinfo.oi_oa->o_ioepoch = ioepoch;
oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE |
OBD_MD_FLSIZE | OBD_MD_FLBLOCKS |
OBD_MD_FLBLKSZ | OBD_MD_FLATIME |
OBD_MD_FLMTIME | OBD_MD_FLCTIME |
- OBD_MD_FLGROUP | OBD_MD_FLEPOCH |
- OBD_MD_FLDATAVERSION;
+ OBD_MD_FLGROUP | OBD_MD_FLDATAVERSION;
oinfo.oi_capa = capa;
if (dv_flags & (LL_DV_WR_FLUSH | LL_DV_RD_FLUSH)) {
oinfo.oi_oa->o_valid |= OBD_MD_FLFLAGS;
RETURN(rc);
}
-/**
- * Performs the getattr on the inode and updates its fields.
- * If @sync != 0, perform the getattr under the server-side lock.
- */
-int ll_inode_getattr(struct inode *inode, struct obdo *obdo,
- __u64 ioepoch, int sync)
-{
- struct obd_capa *capa = ll_mdscapa_get(inode);
- struct lov_stripe_md *lsm;
- int rc;
- ENTRY;
-
- lsm = ccc_inode_lsm_get(inode);
- rc = ll_lsm_getattr(lsm, ll_i2dtexp(inode),
- capa, obdo, ioepoch, sync ? LL_DV_RD_FLUSH : 0);
- capa_put(capa);
- if (rc == 0) {
- struct ost_id *oi = lsm ? &lsm->lsm_oi : &obdo->o_oi;
-
- obdo_refresh_inode(inode, obdo, obdo->o_valid);
- CDEBUG(D_INODE, "objid "DOSTID" size %llu, blocks %llu,"
- " blksize %lu\n", POSTID(oi), i_size_read(inode),
- (unsigned long long)inode->i_blocks,
- 1UL << inode->i_blkbits);
- }
- ccc_inode_lsm_put(inode, lsm);
- RETURN(rc);
-}
-
-int ll_merge_lvb(const struct lu_env *env, struct inode *inode)
+int ll_merge_attr(const struct lu_env *env, struct inode *inode)
{
struct ll_inode_info *lli = ll_i2info(inode);
struct cl_object *obj = lli->lli_clob;
struct cl_attr *attr = ccc_env_thread_attr(env);
- struct ost_lvb lvb;
+ s64 atime;
+ s64 mtime;
+ s64 ctime;
int rc = 0;
ENTRY;
ll_inode_size_lock(inode);
+
/* merge timestamps the most recently obtained from mds with
timestamps obtained from osts */
- LTIME_S(inode->i_atime) = lli->lli_lvb.lvb_atime;
- LTIME_S(inode->i_mtime) = lli->lli_lvb.lvb_mtime;
- LTIME_S(inode->i_ctime) = lli->lli_lvb.lvb_ctime;
+ LTIME_S(inode->i_atime) = lli->lli_atime;
+ LTIME_S(inode->i_mtime) = lli->lli_mtime;
+ LTIME_S(inode->i_ctime) = lli->lli_ctime;
- lvb.lvb_size = i_size_read(inode);
- lvb.lvb_blocks = inode->i_blocks;
- lvb.lvb_mtime = LTIME_S(inode->i_mtime);
- lvb.lvb_atime = LTIME_S(inode->i_atime);
- lvb.lvb_ctime = LTIME_S(inode->i_ctime);
+ atime = LTIME_S(inode->i_atime);
+ mtime = LTIME_S(inode->i_mtime);
+ ctime = LTIME_S(inode->i_ctime);
cl_object_attr_lock(obj);
rc = cl_object_attr_get(env, obj, attr);
cl_object_attr_unlock(obj);
- if (rc == 0) {
- if (lvb.lvb_atime < attr->cat_atime)
- lvb.lvb_atime = attr->cat_atime;
- if (lvb.lvb_ctime < attr->cat_ctime)
- lvb.lvb_ctime = attr->cat_ctime;
- if (lvb.lvb_mtime < attr->cat_mtime)
- lvb.lvb_mtime = attr->cat_mtime;
-
- CDEBUG(D_VFSTRACE, DFID" updating i_size "LPU64"\n",
- PFID(&lli->lli_fid), attr->cat_size);
- cl_isize_write_nolock(inode, attr->cat_size);
-
- inode->i_blocks = attr->cat_blocks;
-
- LTIME_S(inode->i_mtime) = lvb.lvb_mtime;
- LTIME_S(inode->i_atime) = lvb.lvb_atime;
- LTIME_S(inode->i_ctime) = lvb.lvb_ctime;
- }
+ if (rc != 0)
+ GOTO(out_size_unlock, rc);
+
+ if (atime < attr->cat_atime)
+ atime = attr->cat_atime;
+
+ if (ctime < attr->cat_ctime)
+ ctime = attr->cat_ctime;
+
+ if (mtime < attr->cat_mtime)
+ mtime = attr->cat_mtime;
+
+ CDEBUG(D_VFSTRACE, DFID" updating i_size "LPU64"\n",
+ PFID(&lli->lli_fid), attr->cat_size);
+
+ i_size_write(inode, attr->cat_size);
+ inode->i_blocks = attr->cat_blocks;
+
+ LTIME_S(inode->i_atime) = atime;
+ LTIME_S(inode->i_mtime) = mtime;
+ LTIME_S(inode->i_ctime) = ctime;
+
+out_size_unlock:
ll_inode_size_unlock(inode);
RETURN(rc);
struct obdo obdo = { 0 };
int rc;
- rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, NULL, &obdo, 0, 0);
+ rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, NULL, &obdo, 0);
if (rc == 0) {
st->st_size = obdo.o_size;
st->st_blocks = obdo.o_blocks;
struct file *file, enum cl_io_type iot,
loff_t *ppos, size_t count)
{
- struct ll_inode_info *lli = ll_i2info(file->f_dentry->d_inode);
+ struct inode *inode = file->f_dentry->d_inode;
+ struct ll_inode_info *lli = ll_i2info(inode);
+ loff_t end;
struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
struct cl_io *io;
ssize_t result;
struct range_lock range;
ENTRY;
- CDEBUG(D_VFSTRACE, "file: %s, type: %d ppos: "LPU64", count: %zd\n",
+ CDEBUG(D_VFSTRACE, "file: %s, type: %d ppos: "LPU64", count: %zu\n",
file->f_dentry->d_name.name, iot, *ppos, count);
restart:
io = ccc_env_thread_io(env);
ll_io_init(io, file, iot == CIT_WRITE);
+ /* The maximum Lustre file size is variable, based on the
+ * OST maximum object size and number of stripes. This
+ * needs another check in addition to the VFS checks earlier. */
+ end = (io->u.ci_wr.wr_append ? i_size_read(inode) : *ppos) + count;
+ if (end > ll_file_maxbytes(inode)) {
+ result = -EFBIG;
+ CDEBUG(D_INODE, "%s: file "DFID" offset %llu > maxbytes "LPU64
+ ": rc = %zd\n", ll_get_fsname(inode->i_sb, NULL, 0),
+ PFID(&lli->lli_fid), end, ll_file_maxbytes(inode),
+ result);
+ RETURN(result);
+ }
+
if (cl_io_rw_init(env, io, iot, *ppos, count) == 0) {
struct vvp_io *vio = vvp_env_io(env);
- struct ccc_io *cio = ccc_env_io(env);
bool range_locked = false;
if (file->f_flags & O_APPEND)
range_lock_init(&range, 0, LUSTRE_EOF);
else
range_lock_init(&range, *ppos, *ppos + count - 1);
- cio->cui_fd = LUSTRE_FPRIVATE(file);
- vio->cui_io_subtype = args->via_io_subtype;
-
- switch (vio->cui_io_subtype) {
- case IO_NORMAL:
- cio->cui_iov = args->u.normal.via_iov;
- cio->cui_nrsegs = args->u.normal.via_nrsegs;
- cio->cui_tot_nrsegs = cio->cui_nrsegs;
- cio->cui_iocb = args->u.normal.via_iocb;
- if ((iot == CIT_WRITE) &&
- !(cio->cui_fd->fd_flags & LL_FILE_GROUP_LOCKED)) {
+
+ vio->vui_fd = LUSTRE_FPRIVATE(file);
+ vio->vui_io_subtype = args->via_io_subtype;
+
+ switch (vio->vui_io_subtype) {
+ case IO_NORMAL:
+ vio->vui_iov = args->u.normal.via_iov;
+ vio->vui_nrsegs = args->u.normal.via_nrsegs;
+ vio->vui_tot_nrsegs = vio->vui_nrsegs;
+ vio->vui_iocb = args->u.normal.via_iocb;
+ if ((iot == CIT_WRITE) &&
+ !(vio->vui_fd->fd_flags & LL_FILE_GROUP_LOCKED)) {
CDEBUG(D_VFSTRACE, "Range lock "RL_FMT"\n",
RL_PARA(&range));
result = range_lock(&lli->lli_write_tree,
range_locked = true;
}
down_read(&lli->lli_trunc_sem);
- break;
- case IO_SPLICE:
- vio->u.splice.cui_pipe = args->u.splice.via_pipe;
- vio->u.splice.cui_flags = args->u.splice.via_flags;
- break;
- default:
- CERROR("Unknow IO type - %u\n", vio->cui_io_subtype);
- LBUG();
- }
+ break;
+ case IO_SPLICE:
+ vio->u.splice.vui_pipe = args->u.splice.via_pipe;
+ vio->u.splice.vui_flags = args->u.splice.via_flags;
+ break;
+ default:
+ CERROR("unknown IO subtype %u\n", vio->vui_io_subtype);
+ LBUG();
+ }
ll_cl_add(file, env, io);
result = cl_io_loop(env, io);
/* If any bit been read/written (result != 0), we just return
* short read/write instead of restart io. */
if ((result == 0 || result == -ENODATA) && io->ci_need_restart) {
- CDEBUG(D_VFSTRACE, "Restart %s on %s from %lld, count:%zd\n",
+ CDEBUG(D_VFSTRACE, "Restart %s on %s from %lld, count:%zu\n",
iot == CIT_READ ? "read" : "write",
file->f_dentry->d_name.name, *ppos, count);
LASSERTF(io->ci_nob == 0, "%zd\n", io->ci_nob);
RETURN(result);
}
-static ssize_t ll_file_read(struct file *file, char *buf, size_t count,
+static ssize_t ll_file_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
struct lu_env *env;
RETURN(result);
}
-static ssize_t ll_file_write(struct file *file, const char *buf, size_t count,
- loff_t *ppos)
+static ssize_t ll_file_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
struct lu_env *env;
struct iovec *local_iov;
RETURN(result);
}
-static int ll_lov_recreate(struct inode *inode, struct ost_id *oi,
- obd_count ost_idx)
-{
- struct obd_export *exp = ll_i2dtexp(inode);
- struct obd_trans_info oti = { 0 };
- struct obdo *oa = NULL;
- int lsm_size;
- int rc = 0;
- struct lov_stripe_md *lsm = NULL, *lsm2;
- ENTRY;
-
- OBDO_ALLOC(oa);
- if (oa == NULL)
- RETURN(-ENOMEM);
-
- lsm = ccc_inode_lsm_get(inode);
- if (!lsm_has_objects(lsm))
- GOTO(out, rc = -ENOENT);
-
- lsm_size = sizeof(*lsm) + (sizeof(struct lov_oinfo) *
- (lsm->lsm_stripe_count));
-
- OBD_ALLOC_LARGE(lsm2, lsm_size);
- if (lsm2 == NULL)
- GOTO(out, rc = -ENOMEM);
-
- oa->o_oi = *oi;
- oa->o_nlink = ost_idx;
- oa->o_flags |= OBD_FL_RECREATE_OBJS;
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
- obdo_from_inode(oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
- OBD_MD_FLMTIME | OBD_MD_FLCTIME);
- obdo_set_parent_fid(oa, &ll_i2info(inode)->lli_fid);
- memcpy(lsm2, lsm, lsm_size);
- ll_inode_size_lock(inode);
- rc = obd_create(NULL, exp, oa, &lsm2, &oti);
- ll_inode_size_unlock(inode);
-
- OBD_FREE_LARGE(lsm2, lsm_size);
- GOTO(out, rc);
-out:
- ccc_inode_lsm_put(inode, lsm);
- OBDO_FREE(oa);
- return rc;
-}
-
-static int ll_lov_recreate_obj(struct inode *inode, unsigned long arg)
-{
- struct ll_recreate_obj ucreat;
- struct ost_id oi;
- ENTRY;
-
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
- RETURN(-EPERM);
-
- if (copy_from_user(&ucreat, (struct ll_recreate_obj *)arg,
- sizeof(ucreat)))
- RETURN(-EFAULT);
-
- ostid_set_seq_mdt0(&oi);
- ostid_set_id(&oi, ucreat.lrc_id);
- RETURN(ll_lov_recreate(inode, &oi, ucreat.lrc_ost_idx));
-}
-
-static int ll_lov_recreate_fid(struct inode *inode, unsigned long arg)
-{
- struct lu_fid fid;
- struct ost_id oi;
- obd_count ost_idx;
- ENTRY;
-
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
- RETURN(-EPERM);
-
- if (copy_from_user(&fid, (struct lu_fid *)arg, sizeof(fid)))
- RETURN(-EFAULT);
-
- fid_to_ostid(&fid, &oi);
- ost_idx = (fid_seq(&fid) >> 16) & 0xffff;
- RETURN(ll_lov_recreate(inode, &oi, ost_idx));
-}
-
int ll_lov_setstripe_ea_info(struct inode *inode, struct file *file,
__u64 flags, struct lov_user_md *lum,
int lum_size)
{
struct lov_stripe_md *lsm = NULL;
- struct lookup_intent oit = {.it_op = IT_OPEN, .it_flags = flags};
- int rc = 0;
+ struct lookup_intent oit = {
+ .it_op = IT_OPEN,
+ .it_flags = flags | MDS_OPEN_BY_FID,
+ };
+ int rc;
ENTRY;
lsm = ccc_inode_lsm_get(inode);
}
ll_inode_size_lock(inode);
- oit.it_flags |= MDS_OPEN_BY_FID;
rc = ll_intent_file_open(file, lum, lum_size, &oit);
- if (rc)
+ if (rc < 0)
GOTO(out_unlock, rc);
+
rc = oit.d.lustre.it_status;
if (rc < 0)
- GOTO(out_req_free, rc);
+ GOTO(out_unlock, rc);
ll_release_openhandle(file->f_dentry, &oit);
ccc_inode_lsm_put(inode, lsm);
out:
cl_lov_delay_create_clear(&file->f_flags);
+
RETURN(rc);
-out_req_free:
- ptlrpc_req_finished((struct ptlrpc_request *) oit.d.lustre.it_data);
- goto out;
}
int ll_lov_getstripe_ea_info(struct inode *inode, const char *filename,
if (lump == NULL)
RETURN(-ENOMEM);
- if (copy_from_user(lump, (struct lov_user_md *)arg, lum_size)) {
+ if (copy_from_user(lump, (struct lov_user_md __user *)arg, lum_size)) {
OBD_FREE_LARGE(lump, lum_size);
RETURN(-EFAULT);
}
RETURN(rc);
}
+static int ll_file_getstripe(struct inode *inode,
+ struct lov_user_md __user *lum)
+{
+ struct lu_env *env;
+ int refcheck;
+ int rc;
+ ENTRY;
+
+ env = cl_env_get(&refcheck);
+ if (IS_ERR(env))
+ RETURN(PTR_ERR(env));
+
+ rc = cl_object_getstripe(env, ll_i2info(inode)->lli_clob, lum);
+ cl_env_put(env, &refcheck);
+ RETURN(rc);
+}
+
static int ll_lov_setstripe(struct inode *inode, struct file *file,
unsigned long arg)
{
- struct lov_user_md_v3 lumv3;
- struct lov_user_md_v1 *lumv1 = (struct lov_user_md_v1 *)&lumv3;
- struct lov_user_md_v1 *lumv1p = (struct lov_user_md_v1 *)arg;
- struct lov_user_md_v3 *lumv3p = (struct lov_user_md_v3 *)arg;
- int lum_size, rc;
- __u64 flags = FMODE_WRITE;
+ struct lov_user_md __user *lum = (struct lov_user_md __user *)arg;
+ struct lov_user_md *klum;
+ int lum_size, rc;
+ __u64 flags = FMODE_WRITE;
ENTRY;
- /* first try with v1 which is smaller than v3 */
- lum_size = sizeof(struct lov_user_md_v1);
- if (copy_from_user(lumv1, lumv1p, lum_size))
- RETURN(-EFAULT);
-
- if (lumv1->lmm_magic == LOV_USER_MAGIC_V3) {
- lum_size = sizeof(struct lov_user_md_v3);
- if (copy_from_user(&lumv3, lumv3p, lum_size))
- RETURN(-EFAULT);
- }
+ rc = ll_copy_user_md(lum, &klum);
+ if (rc < 0)
+ RETURN(rc);
- rc = ll_lov_setstripe_ea_info(inode, file, flags, lumv1, lum_size);
+ lum_size = rc;
+ rc = ll_lov_setstripe_ea_info(inode, file, flags, klum, lum_size);
if (rc == 0) {
- struct lov_stripe_md *lsm;
__u32 gen;
- put_user(0, &lumv1p->lmm_stripe_count);
+ put_user(0, &lum->lmm_stripe_count);
ll_layout_refresh(inode, &gen);
- lsm = ccc_inode_lsm_get(inode);
- rc = obd_iocontrol(LL_IOC_LOV_GETSTRIPE, ll_i2dtexp(inode),
- 0, lsm, (void *)arg);
- ccc_inode_lsm_put(inode, lsm);
+ rc = ll_file_getstripe(inode, (struct lov_user_md __user *)arg);
}
- RETURN(rc);
-}
-
-static int ll_lov_getstripe(struct inode *inode, unsigned long arg)
-{
- struct lov_stripe_md *lsm;
- int rc = -ENODATA;
- ENTRY;
- lsm = ccc_inode_lsm_get(inode);
- if (lsm != NULL)
- rc = obd_iocontrol(LL_IOC_LOV_GETSTRIPE, ll_i2dtexp(inode), 0,
- lsm, (void *)arg);
- ccc_inode_lsm_put(inode, lsm);
+ OBD_FREE(klum, lum_size);
RETURN(rc);
}
int rc;
ENTRY;
+ if (arg == 0) {
+ CWARN("group id for group lock must not be 0\n");
+ RETURN(-EINVAL);
+ }
+
if (ll_file_nolock(file))
RETURN(-EOPNOTSUPP);
LASSERT(fd->fd_grouplock.cg_lock == NULL);
spin_unlock(&lli->lli_lock);
- rc = cl_get_grouplock(cl_i2info(inode)->lli_clob,
+ rc = cl_get_grouplock(ll_i2info(inode)->lli_clob,
arg, (file->f_flags & O_NONBLOCK), &grouplock);
if (rc)
RETURN(rc);
RETURN(0);
}
-int ll_put_grouplock(struct inode *inode, struct file *file, unsigned long arg)
+static int ll_put_grouplock(struct inode *inode, struct file *file,
+ unsigned long arg)
{
struct ll_inode_info *lli = ll_i2info(inode);
struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
/**
* Get size for inode for which FIEMAP mapping is requested.
* Make the FIEMAP get_info call and returns the result.
+ * \param fiemap kernel buffer to hold extens
+ * \param num_bytes kernel buffer size
*/
-static int ll_do_fiemap(struct inode *inode, struct ll_user_fiemap *fiemap,
+static int ll_do_fiemap(struct inode *inode, struct fiemap *fiemap,
size_t num_bytes)
{
- struct obd_export *exp = ll_i2dtexp(inode);
- struct lov_stripe_md *lsm = NULL;
- struct ll_fiemap_info_key fm_key = { .name = KEY_FIEMAP, };
- __u32 vallen = num_bytes;
- int rc;
- ENTRY;
+ struct lu_env *env;
+ int refcheck;
+ int rc = 0;
+ struct ll_fiemap_info_key fmkey = { .name = KEY_FIEMAP, };
+ ENTRY;
- /* Checks for fiemap flags */
- if (fiemap->fm_flags & ~LUSTRE_FIEMAP_FLAGS_COMPAT) {
- fiemap->fm_flags &= ~LUSTRE_FIEMAP_FLAGS_COMPAT;
- return -EBADR;
- }
+ /* Checks for fiemap flags */
+ if (fiemap->fm_flags & ~LUSTRE_FIEMAP_FLAGS_COMPAT) {
+ fiemap->fm_flags &= ~LUSTRE_FIEMAP_FLAGS_COMPAT;
+ return -EBADR;
+ }
- /* Check for FIEMAP_FLAG_SYNC */
- if (fiemap->fm_flags & FIEMAP_FLAG_SYNC) {
- rc = filemap_fdatawrite(inode->i_mapping);
- if (rc)
- return rc;
- }
+ /* Check for FIEMAP_FLAG_SYNC */
+ if (fiemap->fm_flags & FIEMAP_FLAG_SYNC) {
+ rc = filemap_fdatawrite(inode->i_mapping);
+ if (rc)
+ return rc;
+ }
- lsm = ccc_inode_lsm_get(inode);
- if (lsm == NULL)
- return -ENOENT;
-
- /* If the stripe_count > 1 and the application does not understand
- * DEVICE_ORDER flag, then it cannot interpret the extents correctly.
- */
- if (lsm->lsm_stripe_count > 1 &&
- !(fiemap->fm_flags & FIEMAP_FLAG_DEVICE_ORDER))
- GOTO(out, rc = -EOPNOTSUPP);
-
- fm_key.oa.o_oi = lsm->lsm_oi;
- fm_key.oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
-
- obdo_from_inode(&fm_key.oa, inode, OBD_MD_FLSIZE);
- obdo_set_parent_fid(&fm_key.oa, &ll_i2info(inode)->lli_fid);
- /* If filesize is 0, then there would be no objects for mapping */
- if (fm_key.oa.o_size == 0) {
- fiemap->fm_mapped_extents = 0;
- GOTO(out, rc = 0);
- }
+ env = cl_env_get(&refcheck);
+ if (IS_ERR(env))
+ RETURN(PTR_ERR(env));
- memcpy(&fm_key.fiemap, fiemap, sizeof(*fiemap));
+ if (i_size_read(inode) == 0) {
+ rc = ll_glimpse_size(inode);
+ if (rc)
+ GOTO(out, rc);
+ }
- rc = obd_get_info(NULL, exp, sizeof(fm_key), &fm_key, &vallen,
- fiemap, lsm);
- if (rc)
- CERROR("obd_get_info failed: rc = %d\n", rc);
+ fmkey.oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
+ obdo_from_inode(&fmkey.oa, inode, OBD_MD_FLSIZE);
+ obdo_set_parent_fid(&fmkey.oa, &ll_i2info(inode)->lli_fid);
+ /* If filesize is 0, then there would be no objects for mapping */
+ if (fmkey.oa.o_size == 0) {
+ fiemap->fm_mapped_extents = 0;
+ GOTO(out, rc = 0);
+ }
+
+ fmkey.fiemap = *fiemap;
+
+ rc = cl_object_fiemap(env, ll_i2info(inode)->lli_clob,
+ &fmkey, fiemap, &num_bytes);
out:
- ccc_inode_lsm_put(inode, lsm);
+ cl_env_put(env, &refcheck);
RETURN(rc);
}
RETURN(rc);
}
-static int ll_ioctl_fiemap(struct inode *inode, unsigned long arg)
+static int ll_ioctl_fiemap(struct inode *inode, struct fiemap __user *arg)
{
- struct ll_user_fiemap *fiemap_s;
- size_t num_bytes, ret_bytes;
- unsigned int extent_count;
- int rc = 0;
+ struct fiemap *fiemap;
+ size_t num_bytes;
+ size_t ret_bytes;
+ __u32 extent_count;
+ int rc = 0;
- /* Get the extent count so we can calculate the size of
- * required fiemap buffer */
- if (get_user(extent_count,
- &((struct ll_user_fiemap __user *)arg)->fm_extent_count))
- RETURN(-EFAULT);
+ /* Get the extent count so we can calculate the size of
+ * required fiemap buffer */
+ if (get_user(extent_count, &arg->fm_extent_count))
+ RETURN(-EFAULT);
if (extent_count >=
- (SIZE_MAX - sizeof(*fiemap_s)) / sizeof(struct ll_fiemap_extent))
+ (SIZE_MAX - sizeof(*fiemap)) / sizeof(struct ll_fiemap_extent))
RETURN(-EINVAL);
- num_bytes = sizeof(*fiemap_s) + (extent_count *
- sizeof(struct ll_fiemap_extent));
+ num_bytes = sizeof(*fiemap) + (extent_count *
+ sizeof(struct ll_fiemap_extent));
- OBD_ALLOC_LARGE(fiemap_s, num_bytes);
- if (fiemap_s == NULL)
- RETURN(-ENOMEM);
+ OBD_ALLOC_LARGE(fiemap, num_bytes);
+ if (fiemap == NULL)
+ RETURN(-ENOMEM);
/* get the fiemap value */
- if (copy_from_user(fiemap_s, (struct ll_user_fiemap __user *)arg,
- sizeof(*fiemap_s)))
+ if (copy_from_user(fiemap, arg, sizeof(*fiemap)))
GOTO(error, rc = -EFAULT);
- /* If fm_extent_count is non-zero, read the first extent since
- * it is used to calculate end_offset and device from previous
- * fiemap call. */
- if (extent_count) {
- if (copy_from_user(&fiemap_s->fm_extents[0],
- (char __user *)arg + sizeof(*fiemap_s),
- sizeof(struct ll_fiemap_extent)))
- GOTO(error, rc = -EFAULT);
- }
+ /* If fm_extent_count is non-zero, read the first extent since
+ * it is used to calculate end_offset and device from previous
+ * fiemap call. */
+ if (extent_count != 0) {
+ if (copy_from_user(&fiemap->fm_extents[0],
+ (char __user *)arg + sizeof(*fiemap),
+ sizeof(struct ll_fiemap_extent)))
+ GOTO(error, rc = -EFAULT);
+ }
- rc = ll_do_fiemap(inode, fiemap_s, num_bytes);
- if (rc)
- GOTO(error, rc);
+ rc = ll_do_fiemap(inode, fiemap, num_bytes);
+ if (rc)
+ GOTO(error, rc);
- ret_bytes = sizeof(struct ll_user_fiemap);
+ ret_bytes = sizeof(struct fiemap);
- if (extent_count != 0)
- ret_bytes += (fiemap_s->fm_mapped_extents *
- sizeof(struct ll_fiemap_extent));
+ if (extent_count != 0)
+ ret_bytes += (fiemap->fm_mapped_extents *
+ sizeof(struct ll_fiemap_extent));
- if (copy_to_user((void *)arg, fiemap_s, ret_bytes))
+ if (copy_to_user((void __user *)arg, fiemap, ret_bytes))
rc = -EFAULT;
error:
- OBD_FREE_LARGE(fiemap_s, num_bytes);
- RETURN(rc);
+ OBD_FREE_LARGE(fiemap, num_bytes);
+ RETURN(rc);
}
/*
* This value is computed using stripe object version on OST.
* Version is computed using server side locking.
*
- * @param sync if do sync on the OST side;
+ * @param flags if do sync on the OST side;
* 0: no sync
* LL_DV_RD_FLUSH: flush dirty pages, LCK_PR on OSTs
* LL_DV_WR_FLUSH: drop all caching pages, LCK_PW on OSTs
*/
int ll_data_version(struct inode *inode, __u64 *data_version, int flags)
{
- struct lov_stripe_md *lsm = NULL;
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct obdo *obdo = NULL;
- int rc;
+ struct lu_env *env;
+ int refcheck;
+ int rc;
ENTRY;
- /* If no stripe, we consider version is 0. */
- lsm = ccc_inode_lsm_get(inode);
- if (!lsm_has_objects(lsm)) {
+ /* If no file object initialized, we consider its version is 0. */
+ if (ll_i2info(inode)->lli_clob == NULL) {
*data_version = 0;
- CDEBUG(D_INODE, "No object for inode\n");
- GOTO(out, rc = 0);
+ RETURN(0);
}
- OBD_ALLOC_PTR(obdo);
- if (obdo == NULL)
- GOTO(out, rc = -ENOMEM);
-
- rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, NULL, obdo, 0, flags);
- if (rc == 0) {
- if (!(obdo->o_valid & OBD_MD_FLDATAVERSION))
- rc = -EOPNOTSUPP;
- else
- *data_version = obdo->o_data_version;
- }
+ env = cl_env_get(&refcheck);
+ if (IS_ERR(env))
+ RETURN(PTR_ERR(env));
- OBD_FREE_PTR(obdo);
- EXIT;
-out:
- ccc_inode_lsm_put(inode, lsm);
+ rc = cl_object_data_version(env, ll_i2info(inode)->lli_clob,
+ data_version, flags);
+ cl_env_put(env, &refcheck);
RETURN(rc);
}
if (IS_ERR(env))
GOTO(out, rc = PTR_ERR(env));
- ll_merge_lvb(env, inode);
+ ll_merge_attr(env, inode);
cl_env_nested_put(&nest, env);
/* Release the file.
{
struct md_op_data *op_data;
int rc;
+ ENTRY;
+
+ /* Detect out-of range masks */
+ if ((hss->hss_setmask | hss->hss_clearmask) & ~HSM_FLAGS_MASK)
+ RETURN(-EINVAL);
/* Non-root users are forbidden to set or clear flags which are
* NOT defined in HSM_USER_MASK. */
!cfs_capable(CFS_CAP_SYS_ADMIN))
RETURN(-EPERM);
+ /* Detect out-of range archive id */
+ if ((hss->hss_valid & HSS_ARCHIVE_ID) &&
+ (hss->hss_archive_id > LL_HSM_MAX_ARCHIVE))
+ RETURN(-EINVAL);
+
op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
LUSTRE_OPC_ANY, hss);
if (IS_ERR(op_data))
switch(cmd) {
case LL_IOC_GETFLAGS:
/* Get the current value of the file flags */
- return put_user(fd->fd_flags, (int *)arg);
+ return put_user(fd->fd_flags, (int __user *)arg);
case LL_IOC_SETFLAGS:
case LL_IOC_CLRFLAGS:
/* Set or clear specific file flags */
/* XXX This probably needs checks to ensure the flags are
* not abused, and to handle any flag side effects.
*/
- if (get_user(flags, (int *) arg))
+ if (get_user(flags, (int __user *) arg))
RETURN(-EFAULT);
if (cmd == LL_IOC_SETFLAGS) {
struct file *file2;
struct lustre_swap_layouts lsl;
- if (copy_from_user(&lsl, (char *)arg,
+ if (copy_from_user(&lsl, (char __user *)arg,
sizeof(struct lustre_swap_layouts)))
RETURN(-EFAULT);
fput(file2);
RETURN(rc);
}
- case LL_IOC_LOV_GETSTRIPE:
- RETURN(ll_lov_getstripe(inode, arg));
- case LL_IOC_RECREATE_OBJ:
- RETURN(ll_lov_recreate_obj(inode, arg));
- case LL_IOC_RECREATE_FID:
- RETURN(ll_lov_recreate_fid(inode, arg));
- case FSFILT_IOC_FIEMAP:
- RETURN(ll_ioctl_fiemap(inode, arg));
+ case LL_IOC_LOV_GETSTRIPE:
+ RETURN(ll_file_getstripe(inode,
+ (struct lov_user_md __user *)arg));
+ case FSFILT_IOC_FIEMAP:
+ RETURN(ll_ioctl_fiemap(inode, (struct fiemap __user *)arg));
case FSFILT_IOC_GETFLAGS:
case FSFILT_IOC_SETFLAGS:
RETURN(ll_iocontrol(inode, file, cmd, arg));
case FSFILT_IOC_GETVERSION_OLD:
case FSFILT_IOC_GETVERSION:
- RETURN(put_user(inode->i_generation, (int *)arg));
+ RETURN(put_user(inode->i_generation, (int __user *)arg));
case LL_IOC_GROUP_LOCK:
RETURN(ll_get_grouplock(inode, file, arg));
case LL_IOC_GROUP_UNLOCK:
RETURN(ll_put_grouplock(inode, file, arg));
case IOC_OBD_STATFS:
- RETURN(ll_obd_statfs(inode, (void *)arg));
+ RETURN(ll_obd_statfs(inode, (void __user *)arg));
/* We need to special case any other ioctls we want to handle,
* to send them to the MDS/OST as appropriate and to properly
case LL_IOC_FLUSHCTX:
RETURN(ll_flush_ctx(inode));
case LL_IOC_PATH2FID: {
- if (copy_to_user((void *)arg, ll_inode2fid(inode),
+ if (copy_to_user((void __user *)arg, ll_inode2fid(inode),
sizeof(struct lu_fid)))
RETURN(-EFAULT);
RETURN(0);
}
+ case LL_IOC_GETPARENT:
+ RETURN(ll_getparent(file, (struct getparent __user *)arg));
+
case OBD_IOC_FID2PATH:
- RETURN(ll_fid2path(inode, (void *)arg));
+ RETURN(ll_fid2path(inode, (void __user *)arg));
case LL_IOC_DATA_VERSION: {
struct ioc_data_version idv;
int rc;
- if (copy_from_user(&idv, (char *)arg, sizeof(idv)))
+ if (copy_from_user(&idv, (char __user *)arg, sizeof(idv)))
RETURN(-EFAULT);
idv.idv_flags &= LL_DV_RD_FLUSH | LL_DV_WR_FLUSH;
rc = ll_data_version(inode, &idv.idv_version, idv.idv_flags);
- if (rc == 0 && copy_to_user((char *) arg, &idv, sizeof(idv)))
+ if (rc == 0 &&
+ copy_to_user((char __user *)arg, &idv, sizeof(idv)))
RETURN(-EFAULT);
RETURN(rc);
if (mdtidx < 0)
RETURN(mdtidx);
- if (put_user((int)mdtidx, (int*)arg))
+ if (put_user((int)mdtidx, (int __user *)arg))
RETURN(-EFAULT);
RETURN(0);
rc = obd_iocontrol(cmd, ll_i2mdexp(inode), sizeof(*op_data),
op_data, NULL);
- if (copy_to_user((void *)arg, hus, sizeof(*hus)))
+ if (copy_to_user((void __user *)arg, hus, sizeof(*hus)))
rc = -EFAULT;
ll_finish_md_op_data(op_data);
if (hss == NULL)
RETURN(-ENOMEM);
- if (copy_from_user(hss, (char *)arg, sizeof(*hss))) {
+ if (copy_from_user(hss, (char __user *)arg, sizeof(*hss))) {
OBD_FREE_PTR(hss);
RETURN(-EFAULT);
}
rc = obd_iocontrol(cmd, ll_i2mdexp(inode), sizeof(*op_data),
op_data, NULL);
- if (copy_to_user((char *)arg, hca, sizeof(*hca)))
+ if (copy_to_user((char __user *)arg, hca, sizeof(*hca)))
rc = -EFAULT;
ll_finish_md_op_data(op_data);
if (hui == NULL)
RETURN(-ENOMEM);
- if (copy_from_user(hui, (void *)arg, sizeof(*hui))) {
+ if (copy_from_user(hui, (void __user *)arg, sizeof(*hui))) {
OBD_FREE_PTR(hui);
RETURN(-EFAULT);
}
RETURN(err);
RETURN(obd_iocontrol(cmd, ll_i2dtexp(inode), 0, NULL,
- (void *)arg));
+ (void __user *)arg));
}
}
}
capa = ll_osscapa_get(inode, CAPA_OPC_OSS_WRITE);
io = ccc_env_thread_io(env);
- io->ci_obj = cl_i2info(inode)->lli_clob;
+ io->ci_obj = ll_i2info(inode)->lli_clob;
io->ci_ignore_layout = ignore_layout;
/* initialize parameters for sync */
qstr.name = name;
qstr.len = namelen;
dchild = d_lookup(file->f_dentry, &qstr);
- if (dchild != NULL && dchild->d_inode != NULL) {
- op_data->op_fid3 = *ll_inode2fid(dchild->d_inode);
+ if (dchild != NULL) {
if (dchild->d_inode != NULL) {
child_inode = igrab(dchild->d_inode);
- ll_invalidate_aliases(child_inode);
+ if (child_inode != NULL) {
+ mutex_lock(&child_inode->i_mutex);
+ op_data->op_fid3 = *ll_inode2fid(child_inode);
+ ll_invalidate_aliases(child_inode);
+ }
}
dput(dchild);
} else {
out_free:
if (child_inode != NULL) {
clear_nlink(child_inode);
+ mutex_unlock(&child_inode->i_mutex);
iput(child_inode);
}
ll_lookup_finish_locks(&oit, dentry);
} else if (!ll_have_md_lock(dentry->d_inode, &ibits, LCK_MINMODE)) {
- struct ll_sb_info *sbi = ll_i2sbi(dentry->d_inode);
- obd_valid valid = OBD_MD_FLGETATTR;
- struct md_op_data *op_data;
- int ealen = 0;
+ struct ll_sb_info *sbi = ll_i2sbi(dentry->d_inode);
+ u64 valid = OBD_MD_FLGETATTR;
+ struct md_op_data *op_data;
+ int ealen = 0;
if (S_ISREG(inode->i_mode)) {
rc = ll_get_default_mdsize(sbi, &ealen);
LASSERT(ll_i2info(inode)->lli_lsm_md != NULL);
rc = md_merge_attr(ll_i2mdexp(inode), ll_i2info(inode)->lli_lsm_md,
- &attr);
+ &attr, ll_md_blocking_ast);
if (rc != 0)
RETURN(rc);
- ll_i2info(inode)->lli_stripe_dir_size = attr.cat_size;
- ll_i2info(inode)->lli_stripe_dir_nlink = attr.cat_nlink;
+ set_nlink(inode, attr.cat_nlink);
+ inode->i_blocks = attr.cat_blocks;
+ i_size_write(inode, attr.cat_size);
- ll_i2info(inode)->lli_lvb.lvb_atime = attr.cat_atime;
- ll_i2info(inode)->lli_lvb.lvb_mtime = attr.cat_mtime;
- ll_i2info(inode)->lli_lvb.lvb_ctime = attr.cat_ctime;
+ ll_i2info(inode)->lli_atime = attr.cat_atime;
+ ll_i2info(inode)->lli_mtime = attr.cat_mtime;
+ ll_i2info(inode)->lli_ctime = attr.cat_ctime;
RETURN(0);
}
RETURN(rc);
}
- LTIME_S(inode->i_atime) = ll_i2info(inode)->lli_lvb.lvb_atime;
- LTIME_S(inode->i_mtime) = ll_i2info(inode)->lli_lvb.lvb_mtime;
- LTIME_S(inode->i_ctime) = ll_i2info(inode)->lli_lvb.lvb_ctime;
+ LTIME_S(inode->i_atime) = ll_i2info(inode)->lli_atime;
+ LTIME_S(inode->i_mtime) = ll_i2info(inode)->lli_mtime;
+ LTIME_S(inode->i_ctime) = ll_i2info(inode)->lli_ctime;
} else {
/* In case of restore, the MDT has the right size and has
* already send it back without granting the layout lock,
stat->mtime = inode->i_mtime;
stat->ctime = inode->i_ctime;
stat->blksize = 1 << inode->i_blkbits;
- stat->blocks = inode->i_blocks;
- if (S_ISDIR(inode->i_mode) &&
- ll_i2info(inode)->lli_lsm_md != NULL) {
- stat->nlink = lli->lli_stripe_dir_nlink;
- stat->size = lli->lli_stripe_dir_size;
- } else {
- stat->nlink = inode->i_nlink;
- stat->size = i_size_read(inode);
- }
+ stat->nlink = inode->i_nlink;
+ stat->size = i_size_read(inode);
+ stat->blocks = inode->i_blocks;
return 0;
}
hur->hur_user_item[0].hui_extent.offset = offset;
hur->hur_user_item[0].hui_extent.length = length;
hur->hur_request.hr_itemcount = 1;
- rc = obd_iocontrol(LL_IOC_HSM_REQUEST, cl_i2sbi(inode)->ll_md_exp,
+ rc = obd_iocontrol(LL_IOC_HSM_REQUEST, ll_i2sbi(inode)->ll_md_exp,
len, hur, NULL);
OBD_FREE(hur, len);
RETURN(rc);
}
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff