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-rw-r--r--fs/block_dev.c21
-rw-r--r--fs/exec.c10
-rw-r--r--fs/exportfs/expfs.c4
-rw-r--r--fs/ext4/balloc.c4
-rw-r--r--fs/fcntl.c7
-rw-r--r--fs/inotify.c2
-rw-r--r--fs/ioctl.c12
-rw-r--r--fs/lockd/host.c3
-rw-r--r--fs/lockd/svc.c1
-rw-r--r--fs/nfsd/nfs4recover.c2
-rw-r--r--fs/nfsd/nfs4state.c1
-rw-r--r--fs/proc/base.c2
-rw-r--r--fs/proc/task_mmu.c4
-rw-r--r--fs/ubifs/commit.c4
-rw-r--r--fs/ubifs/debug.c66
-rw-r--r--fs/ubifs/dir.c5
-rw-r--r--fs/ubifs/file.c91
-rw-r--r--fs/ubifs/journal.c8
-rw-r--r--fs/ubifs/key.h4
-rw-r--r--fs/ubifs/lpt_commit.c2
-rw-r--r--fs/ubifs/orphan.c28
-rw-r--r--fs/ubifs/recovery.c17
-rw-r--r--fs/ubifs/replay.c2
-rw-r--r--fs/ubifs/sb.c9
-rw-r--r--fs/ubifs/super.c70
-rw-r--r--fs/ubifs/tnc.c12
-rw-r--r--fs/ubifs/ubifs.h12
-rw-r--r--fs/xfs/xfs_rename.c2
28 files changed, 278 insertions, 127 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index db831efbdbb..99e0ae1a4c7 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1135,12 +1135,15 @@ static int blkdev_open(struct inode * inode, struct file * filp)
if (res)
return res;
- if (!(filp->f_mode & FMODE_EXCL))
- return 0;
+ if (filp->f_mode & FMODE_EXCL) {
+ res = bd_claim(bdev, filp);
+ if (res)
+ goto out_blkdev_put;
+ }
- if (!(res = bd_claim(bdev, filp)))
- return 0;
+ return 0;
+ out_blkdev_put:
blkdev_put(bdev, filp->f_mode);
return res;
}
@@ -1203,8 +1206,16 @@ static long block_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{
struct block_device *bdev = I_BDEV(file->f_mapping->host);
fmode_t mode = file->f_mode;
+
+ /*
+ * O_NDELAY can be altered using fcntl(.., F_SETFL, ..), so we have
+ * to updated it before every ioctl.
+ */
if (file->f_flags & O_NDELAY)
- mode |= FMODE_NDELAY_NOW;
+ mode |= FMODE_NDELAY;
+ else
+ mode &= ~FMODE_NDELAY;
+
return blkdev_ioctl(bdev, mode, cmd, arg);
}
diff --git a/fs/exec.c b/fs/exec.c
index 4e834f16d9d..ec5df9a3831 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1159,6 +1159,7 @@ EXPORT_SYMBOL(remove_arg_zero);
*/
int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
{
+ unsigned int depth = bprm->recursion_depth;
int try,retval;
struct linux_binfmt *fmt;
#ifdef __alpha__
@@ -1219,8 +1220,15 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
continue;
read_unlock(&binfmt_lock);
retval = fn(bprm, regs);
+ /*
+ * Restore the depth counter to its starting value
+ * in this call, so we don't have to rely on every
+ * load_binary function to restore it on return.
+ */
+ bprm->recursion_depth = depth;
if (retval >= 0) {
- tracehook_report_exec(fmt, bprm, regs);
+ if (depth == 0)
+ tracehook_report_exec(fmt, bprm, regs);
put_binfmt(fmt);
allow_write_access(bprm->file);
if (bprm->file)
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index 80246bad1b7..890e0182881 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -367,6 +367,8 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
* Try to get any dentry for the given file handle from the filesystem.
*/
result = nop->fh_to_dentry(mnt->mnt_sb, fid, fh_len, fileid_type);
+ if (!result)
+ result = ERR_PTR(-ESTALE);
if (IS_ERR(result))
return result;
@@ -420,6 +422,8 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
target_dir = nop->fh_to_parent(mnt->mnt_sb, fid,
fh_len, fileid_type);
+ if (!target_dir)
+ goto err_result;
err = PTR_ERR(target_dir);
if (IS_ERR(target_dir))
goto err_result;
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index d2003cdc36a..db35cfdb3c8 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -609,8 +609,8 @@ int ext4_has_free_blocks(struct ext4_sb_info *sbi, s64 nblocks)
if (free_blocks - (nblocks + root_blocks + dirty_blocks) <
EXT4_FREEBLOCKS_WATERMARK) {
- free_blocks = percpu_counter_sum(fbc);
- dirty_blocks = percpu_counter_sum(dbc);
+ free_blocks = percpu_counter_sum_positive(fbc);
+ dirty_blocks = percpu_counter_sum_positive(dbc);
if (dirty_blocks < 0) {
printk(KERN_CRIT "Dirty block accounting "
"went wrong %lld\n",
diff --git a/fs/fcntl.c b/fs/fcntl.c
index ac4f7db9f13..549daf8005f 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -19,6 +19,7 @@
#include <linux/signal.h>
#include <linux/rcupdate.h>
#include <linux/pid_namespace.h>
+#include <linux/smp_lock.h>
#include <asm/poll.h>
#include <asm/siginfo.h>
@@ -175,6 +176,11 @@ static int setfl(int fd, struct file * filp, unsigned long arg)
if (error)
return error;
+ /*
+ * We still need a lock here for now to keep multiple FASYNC calls
+ * from racing with each other.
+ */
+ lock_kernel();
if ((arg ^ filp->f_flags) & FASYNC) {
if (filp->f_op && filp->f_op->fasync) {
error = filp->f_op->fasync(fd, filp, (arg & FASYNC) != 0);
@@ -185,6 +191,7 @@ static int setfl(int fd, struct file * filp, unsigned long arg)
filp->f_flags = (arg & SETFL_MASK) | (filp->f_flags & ~SETFL_MASK);
out:
+ unlock_kernel();
return error;
}
diff --git a/fs/inotify.c b/fs/inotify.c
index 7bbed1b8982..dae3f28f30d 100644
--- a/fs/inotify.c
+++ b/fs/inotify.c
@@ -428,11 +428,13 @@ void inotify_unmount_inodes(struct list_head *list)
watches = &inode->inotify_watches;
list_for_each_entry_safe(watch, next_w, watches, i_list) {
struct inotify_handle *ih= watch->ih;
+ get_inotify_watch(watch);
mutex_lock(&ih->mutex);
ih->in_ops->handle_event(watch, watch->wd, IN_UNMOUNT, 0,
NULL, NULL);
inotify_remove_watch_locked(ih, watch);
mutex_unlock(&ih->mutex);
+ put_inotify_watch(watch);
}
mutex_unlock(&inode->inotify_mutex);
iput(inode);
diff --git a/fs/ioctl.c b/fs/ioctl.c
index d152856c371..43e8b2c0664 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -400,11 +400,9 @@ static int ioctl_fioasync(unsigned int fd, struct file *filp,
/* Did FASYNC state change ? */
if ((flag ^ filp->f_flags) & FASYNC) {
- if (filp->f_op && filp->f_op->fasync) {
- lock_kernel();
+ if (filp->f_op && filp->f_op->fasync)
error = filp->f_op->fasync(fd, filp, on);
- unlock_kernel();
- } else
+ else
error = -ENOTTY;
}
if (error)
@@ -440,11 +438,17 @@ int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
break;
case FIONBIO:
+ /* BKL needed to avoid races tweaking f_flags */
+ lock_kernel();
error = ioctl_fionbio(filp, argp);
+ unlock_kernel();
break;
case FIOASYNC:
+ /* BKL needed to avoid races tweaking f_flags */
+ lock_kernel();
error = ioctl_fioasync(fd, filp, argp);
+ unlock_kernel();
break;
case FIOQSIZE:
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 9fd8889097b..70fc63a1727 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -167,7 +167,8 @@ static struct nlm_host *nlm_lookup_host(struct nlm_lookup_host_info *ni)
continue;
if (host->h_server != ni->server)
continue;
- if (!nlm_cmp_addr(nlm_srcaddr(host), ni->src_sap))
+ if (ni->server &&
+ !nlm_cmp_addr(nlm_srcaddr(host), ni->src_sap))
continue;
/* Move to head of hash chain. */
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index c631a83931c..56b076736b5 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -181,6 +181,7 @@ lockd(void *vrqstp)
}
flush_signals(current);
cancel_delayed_work_sync(&grace_period_end);
+ locks_end_grace(&lockd_manager);
if (nlmsvc_ops)
nlmsvc_invalidate_all();
nlm_shutdown_hosts();
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index bb93946ace2..b79ec930d9f 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -225,12 +225,12 @@ nfsd4_list_rec_dir(struct dentry *dir, recdir_func *f)
return 0;
nfs4_save_user(&uid, &gid);
+ INIT_LIST_HEAD(dentries);
filp = dentry_open(dget(dir), mntget(rec_dir.mnt), O_RDONLY);
status = PTR_ERR(filp);
if (IS_ERR(filp))
goto out;
- INIT_LIST_HEAD(dentries);
status = vfs_readdir(filp, nfsd4_build_dentrylist, &dla);
fput(filp);
while (!list_empty(dentries)) {
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index b0bebc552a1..1a052ac2bde 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3261,6 +3261,7 @@ nfs4_state_shutdown(void)
{
cancel_rearming_delayed_workqueue(laundry_wq, &laundromat_work);
destroy_workqueue(laundry_wq);
+ locks_end_grace(&nfsd4_manager);
nfs4_lock_state();
nfs4_release_reclaim();
__nfs4_state_shutdown();
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 486cf3fe713..d4677603c88 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -371,7 +371,7 @@ static int lstats_show_proc(struct seq_file *m, void *v)
task->latency_record[i].time,
task->latency_record[i].max);
for (q = 0; q < LT_BACKTRACEDEPTH; q++) {
- char sym[KSYM_NAME_LEN];
+ char sym[KSYM_SYMBOL_LEN];
char *c;
if (!task->latency_record[i].backtrace[q])
break;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index b770c095e45..3a8bdd7f575 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -557,9 +557,9 @@ static u64 swap_pte_to_pagemap_entry(pte_t pte)
return swp_type(e) | (swp_offset(e) << MAX_SWAPFILES_SHIFT);
}
-static unsigned long pte_to_pagemap_entry(pte_t pte)
+static u64 pte_to_pagemap_entry(pte_t pte)
{
- unsigned long pme = 0;
+ u64 pme = 0;
if (is_swap_pte(pte))
pme = PM_PFRAME(swap_pte_to_pagemap_entry(pte))
| PM_PSHIFT(PAGE_SHIFT) | PM_SWAP;
diff --git a/fs/ubifs/commit.c b/fs/ubifs/commit.c
index 0a6aa2cc78f..b49884c8c10 100644
--- a/fs/ubifs/commit.c
+++ b/fs/ubifs/commit.c
@@ -234,8 +234,8 @@ int ubifs_bg_thread(void *info)
int err;
struct ubifs_info *c = info;
- ubifs_msg("background thread \"%s\" started, PID %d",
- c->bgt_name, current->pid);
+ dbg_msg("background thread \"%s\" started, PID %d",
+ c->bgt_name, current->pid);
set_freezable();
while (1) {
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 7186400750e..510ffa0bbda 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -101,21 +101,24 @@ static void sprintf_key(const struct ubifs_info *c, const union ubifs_key *key,
if (c->key_fmt == UBIFS_SIMPLE_KEY_FMT) {
switch (type) {
case UBIFS_INO_KEY:
- sprintf(p, "(%lu, %s)", key_inum(c, key),
+ sprintf(p, "(%lu, %s)", (unsigned long)key_inum(c, key),
get_key_type(type));
break;
case UBIFS_DENT_KEY:
case UBIFS_XENT_KEY:
- sprintf(p, "(%lu, %s, %#08x)", key_inum(c, key),
+ sprintf(p, "(%lu, %s, %#08x)",
+ (unsigned long)key_inum(c, key),
get_key_type(type), key_hash(c, key));
break;
case UBIFS_DATA_KEY:
- sprintf(p, "(%lu, %s, %u)", key_inum(c, key),
+ sprintf(p, "(%lu, %s, %u)",
+ (unsigned long)key_inum(c, key),
get_key_type(type), key_block(c, key));
break;
case UBIFS_TRUN_KEY:
sprintf(p, "(%lu, %s)",
- key_inum(c, key), get_key_type(type));
+ (unsigned long)key_inum(c, key),
+ get_key_type(type));
break;
default:
sprintf(p, "(bad key type: %#08x, %#08x)",
@@ -364,8 +367,8 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
le32_to_cpu(mst->ihead_lnum));
printk(KERN_DEBUG "\tihead_offs %u\n",
le32_to_cpu(mst->ihead_offs));
- printk(KERN_DEBUG "\tindex_size %u\n",
- le32_to_cpu(mst->index_size));
+ printk(KERN_DEBUG "\tindex_size %llu\n",
+ (unsigned long long)le64_to_cpu(mst->index_size));
printk(KERN_DEBUG "\tlpt_lnum %u\n",
le32_to_cpu(mst->lpt_lnum));
printk(KERN_DEBUG "\tlpt_offs %u\n",
@@ -1589,7 +1592,7 @@ static struct fsck_inode *add_inode(struct ubifs_info *c,
if (inum > c->highest_inum) {
ubifs_err("too high inode number, max. is %lu",
- c->highest_inum);
+ (unsigned long)c->highest_inum);
return ERR_PTR(-EINVAL);
}
@@ -1668,16 +1671,18 @@ static struct fsck_inode *read_add_inode(struct ubifs_info *c,
ino_key_init(c, &key, inum);
err = ubifs_lookup_level0(c, &key, &znode, &n);
if (!err) {
- ubifs_err("inode %lu not found in index", inum);
+ ubifs_err("inode %lu not found in index", (unsigned long)inum);
return ERR_PTR(-ENOENT);
} else if (err < 0) {
- ubifs_err("error %d while looking up inode %lu", err, inum);
+ ubifs_err("error %d while looking up inode %lu",
+ err, (unsigned long)inum);
return ERR_PTR(err);
}
zbr = &znode->zbranch[n];
if (zbr->len < UBIFS_INO_NODE_SZ) {
- ubifs_err("bad node %lu node length %d", inum, zbr->len);
+ ubifs_err("bad node %lu node length %d",
+ (unsigned long)inum, zbr->len);
return ERR_PTR(-EINVAL);
}
@@ -1697,7 +1702,7 @@ static struct fsck_inode *read_add_inode(struct ubifs_info *c,
kfree(ino);
if (IS_ERR(fscki)) {
ubifs_err("error %ld while adding inode %lu node",
- PTR_ERR(fscki), inum);
+ PTR_ERR(fscki), (unsigned long)inum);
return fscki;
}
@@ -1786,7 +1791,8 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
if (IS_ERR(fscki)) {
err = PTR_ERR(fscki);
ubifs_err("error %d while processing data node and "
- "trying to find inode node %lu", err, inum);
+ "trying to find inode node %lu",
+ err, (unsigned long)inum);
goto out_dump;
}
@@ -1819,7 +1825,8 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
if (IS_ERR(fscki)) {
err = PTR_ERR(fscki);
ubifs_err("error %d while processing entry node and "
- "trying to find inode node %lu", err, inum);
+ "trying to find inode node %lu",
+ err, (unsigned long)inum);
goto out_dump;
}
@@ -1832,7 +1839,7 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
err = PTR_ERR(fscki);
ubifs_err("error %d while processing entry node and "
"trying to find parent inode node %lu",
- err, inum);
+ err, (unsigned long)inum);
goto out_dump;
}
@@ -1923,7 +1930,8 @@ static int check_inodes(struct ubifs_info *c, struct fsck_data *fsckd)
fscki->references != 1) {
ubifs_err("directory inode %lu has %d "
"direntries which refer it, but "
- "should be 1", fscki->inum,
+ "should be 1",
+ (unsigned long)fscki->inum,
fscki->references);
goto out_dump;
}
@@ -1931,27 +1939,29 @@ static int check_inodes(struct ubifs_info *c, struct fsck_data *fsckd)
fscki->references != 0) {
ubifs_err("root inode %lu has non-zero (%d) "
"direntries which refer it",
- fscki->inum, fscki->references);
+ (unsigned long)fscki->inum,
+ fscki->references);
goto out_dump;
}
if (fscki->calc_sz != fscki->size) {
ubifs_err("directory inode %lu size is %lld, "
"but calculated size is %lld",
- fscki->inum, fscki->size,
- fscki->calc_sz);
+ (unsigned long)fscki->inum,
+ fscki->size, fscki->calc_sz);
goto out_dump;
}
if (fscki->calc_cnt != fscki->nlink) {
ubifs_err("directory inode %lu nlink is %d, "
"but calculated nlink is %d",
- fscki->inum, fscki->nlink,
- fscki->calc_cnt);
+ (unsigned long)fscki->inum,
+ fscki->nlink, fscki->calc_cnt);
goto out_dump;
}
} else {
if (fscki->references != fscki->nlink) {
ubifs_err("inode %lu nlink is %d, but "
- "calculated nlink is %d", fscki->inum,
+ "calculated nlink is %d",
+ (unsigned long)fscki->inum,
fscki->nlink, fscki->references);
goto out_dump;
}
@@ -1959,20 +1969,21 @@ static int check_inodes(struct ubifs_info *c, struct fsck_data *fsckd)
if (fscki->xattr_sz != fscki->calc_xsz) {
ubifs_err("inode %lu has xattr size %u, but "
"calculated size is %lld",
- fscki->inum, fscki->xattr_sz,
+ (unsigned long)fscki->inum, fscki->xattr_sz,
fscki->calc_xsz);
goto out_dump;
}
if (fscki->xattr_cnt != fscki->calc_xcnt) {
ubifs_err("inode %lu has %u xattrs, but "
- "calculated count is %lld", fscki->inum,
+ "calculated count is %lld",
+ (unsigned long)fscki->inum,
fscki->xattr_cnt, fscki->calc_xcnt);
goto out_dump;
}
if (fscki->xattr_nms != fscki->calc_xnms) {
ubifs_err("inode %lu has xattr names' size %u, but "
"calculated names' size is %lld",
- fscki->inum, fscki->xattr_nms,
+ (unsigned long)fscki->inum, fscki->xattr_nms,
fscki->calc_xnms);
goto out_dump;
}
@@ -1985,11 +1996,12 @@ out_dump:
ino_key_init(c, &key, fscki->inum);
err = ubifs_lookup_level0(c, &key, &znode, &n);
if (!err) {
- ubifs_err("inode %lu not found in index", fscki->inum);
+ ubifs_err("inode %lu not found in index",
+ (unsigned long)fscki->inum);
return -ENOENT;
} else if (err < 0) {
ubifs_err("error %d while looking up inode %lu",
- err, fscki->inum);
+ err, (unsigned long)fscki->inum);
return err;
}
@@ -2007,7 +2019,7 @@ out_dump:
}
ubifs_msg("dump of the inode %lu sitting in LEB %d:%d",
- fscki->inum, zbr->lnum, zbr->offs);
+ (unsigned long)fscki->inum, zbr->lnum, zbr->offs);
dbg_dump_node(c, ino);
kfree(ino);
return -EINVAL;
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 526c01ec800..0422c98e179 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -161,7 +161,7 @@ struct inode *ubifs_new_inode(struct ubifs_info *c, const struct inode *dir,
return ERR_PTR(-EINVAL);
}
ubifs_warn("running out of inode numbers (current %lu, max %d)",
- c->highest_inum, INUM_WATERMARK);
+ (unsigned long)c->highest_inum, INUM_WATERMARK);
}
inode->i_ino = ++c->highest_inum;
@@ -428,7 +428,8 @@ static int ubifs_readdir(struct file *file, void *dirent, filldir_t filldir)
dbg_gen("feed '%s', ino %llu, new f_pos %#x",
dent->name, (unsigned long long)le64_to_cpu(dent->inum),
key_hash_flash(c, &dent->key));
- ubifs_assert(dent->ch.sqnum > ubifs_inode(dir)->creat_sqnum);
+ ubifs_assert(le64_to_cpu(dent->ch.sqnum) >
+ ubifs_inode(dir)->creat_sqnum);
nm.len = le16_to_cpu(dent->nlen);
over = filldir(dirent, dent->name, nm.len, file->f_pos,
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 51cf511d44d..2624411d975 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -72,7 +72,7 @@ static int read_block(struct inode *inode, void *addr, unsigned int block,
return err;
}
- ubifs_assert(dn->ch.sqnum > ubifs_inode(inode)->creat_sqnum);
+ ubifs_assert(le64_to_cpu(dn->ch.sqnum) > ubifs_inode(inode)->creat_sqnum);
len = le32_to_cpu(dn->size);
if (len <= 0 || len > UBIFS_BLOCK_SIZE)
@@ -626,7 +626,7 @@ static int populate_page(struct ubifs_info *c, struct page *page,
dn = bu->buf + (bu->zbranch[nn].offs - offs);
- ubifs_assert(dn->ch.sqnum >
+ ubifs_assert(le64_to_cpu(dn->ch.sqnum) >
ubifs_inode(inode)->creat_sqnum);
len = le32_to_cpu(dn->size);
@@ -691,32 +691,22 @@ out_err:
/**
* ubifs_do_bulk_read - do bulk-read.
* @c: UBIFS file-system description object
- * @page1: first page
+ * @bu: bulk-read information
+ * @page1: first page to read
*
* This function returns %1 if the bulk-read is done, otherwise %0 is returned.
*/
-static int ubifs_do_bulk_read(struct ubifs_info *c, struct page *page1)
+static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu,
+ struct page *page1)
{
pgoff_t offset = page1->index, end_index;
struct address_space *mapping = page1->mapping;
struct inode *inode = mapping->host;
struct ubifs_inode *ui = ubifs_inode(inode);
- struct bu_info *bu;
int err, page_idx, page_cnt, ret = 0, n = 0;
+ int allocate = bu->buf ? 0 : 1;
loff_t isize;
- bu = kmalloc(sizeof(struct bu_info), GFP_NOFS);
- if (!bu)
- return 0;
-
- bu->buf_len = c->bulk_read_buf_size;
- bu->buf = kmalloc(bu->buf_len, GFP_NOFS);
- if (!bu->buf)
- goto out_free;
-
- data_key_init(c, &bu->key, inode->i_ino,
- offset << UBIFS_BLOCKS_PER_PAGE_SHIFT);
-
err = ubifs_tnc_get_bu_keys(c, bu);
if (err)
goto out_warn;
@@ -735,12 +725,25 @@ static int ubifs_do_bulk_read(struct ubifs_info *c, struct page *page1)
* together. If all the pages were like this, bulk-read would
* reduce performance, so we turn it off for a while.
*/
- ui->read_in_a_row = 0;
- ui->bulk_read = 0;
- goto out_free;
+ goto out_bu_off;
}
if (bu->cnt) {
+ if (allocate) {
+ /*
+ * Allocate bulk-read buffer depending on how many data
+ * nodes we are going to read.
+ */
+ bu->buf_len = bu->zbranch[bu->cnt - 1].offs +
+ bu->zbranch[bu->cnt - 1].len -
+ bu->zbranch[0].offs;
+ ubifs_assert(bu->buf_len > 0);
+ ubifs_assert(bu->buf_len <= c->leb_size);
+ bu->buf = kmalloc(bu->buf_len, GFP_NOFS | __GFP_NOWARN);
+ if (!bu->buf)
+ goto out_bu_off;
+ }
+
err = ubifs_tnc_bulk_read(c, bu);
if (err)
goto out_warn;
@@ -779,13 +782,17 @@ static int ubifs_do_bulk_read(struct ubifs_info *c, struct page *page1)
ui->last_page_read = offset + page_idx - 1;
out_free:
- kfree(bu->buf);
- kfree(bu);
+ if (allocate)
+ kfree(bu->buf);
return ret;
out_warn:
ubifs_warn("ignoring error %d and skipping bulk-read", err);
goto out_free;
+
+out_bu_off:
+ ui->read_in_a_row = ui->bulk_read = 0;
+ goto out_free;
}
/**
@@ -803,18 +810,20 @@ static int ubifs_bulk_read(struct page *page)
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct ubifs_inode *ui = ubifs_inode(inode);
pgoff_t index = page->index, last_page_read = ui->last_page_read;
- int ret = 0;
+ struct bu_info *bu;
+ int err = 0, allocated = 0;
ui->last_page_read = index;
-
if (!c->bulk_read)
return 0;
+
/*
- * Bulk-read is protected by ui_mutex, but it is an optimization, so
- * don't bother if we cannot lock the mutex.
+ * Bulk-read is protected by @ui->ui_mutex, but it is an optimization,
+ * so don't bother if we cannot lock the mutex.
*/
if (!mutex_trylock(&ui->ui_mutex))
return 0;
+
if (index != last_page_read + 1) {
/* Turn off bulk-read if we stop reading sequentially */
ui->read_in_a_row = 1;
@@ -822,6 +831,7 @@ static int ubifs_bulk_read(struct page *page)
ui->bulk_read = 0;
goto out_unlock;
}
+
if (!ui->bulk_read) {
ui->read_in_a_row += 1;
if (ui->read_in_a_row < 3)
@@ -829,10 +839,35 @@ static int ubifs_bulk_read(struct page *page)
/* Three reads in a row, so switch on bulk-read */
ui->bulk_read = 1;
}
- ret = ubifs_do_bulk_read(c, page);
+
+ /*
+ * If possible, try to use pre-allocated bulk-read information, which
+ * is protected by @c->bu_mutex.
+ */
+ if (mutex_trylock(&c->bu_mutex))
+ bu = &c->bu;
+ else {
+ bu = kmalloc(sizeof(struct bu_info), GFP_NOFS | __GFP_NOWARN);
+ if (!bu)
+ goto out_unlock;
+
+ bu->buf = NULL;
+ allocated = 1;
+ }
+
+ bu->buf_len = c->max_bu_buf_len;
+ data_key_init(c, &bu->key, inode->i_ino,
+ page->index << UBIFS_BLOCKS_PER_PAGE_SHIFT);
+ err = ubifs_do_bulk_read(c, bu, page);
+
+ if (!allocated)
+ mutex_unlock(&c->bu_mutex);
+ else
+ kfree(bu);
+
out_unlock:
mutex_unlock(&ui->ui_mutex);
- return ret;
+ return err;
}
static int ubifs_readpage(struct file *file, struct page *page)
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index 22993f867d1..f91b745908e 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -690,8 +690,9 @@ int ubifs_jnl_write_data(struct ubifs_info *c, const struct inode *inode,
int dlen = UBIFS_DATA_NODE_SZ + UBIFS_BLOCK_SIZE * WORST_COMPR_FACTOR;
struct ubifs_inode *ui = ubifs_inode(inode);
- dbg_jnl("ino %lu, blk %u, len %d, key %s", key_inum(c, key),
- key_block(c, key), len, DBGKEY(key));
+ dbg_jnl("ino %lu, blk %u, len %d, key %s",
+ (unsigned long)key_inum(c, key), key_block(c, key), len,
+ DBGKEY(key));
ubifs_assert(len <= UBIFS_BLOCK_SIZE);
data = kmalloc(dlen, GFP_NOFS);
@@ -1128,7 +1129,8 @@ int ubifs_jnl_truncate(struct ubifs_info *c, const struct inode *inode,
ino_t inum = inode->i_ino;
unsigned int blk;
- dbg_jnl("ino %lu, size %lld -> %lld", inum, old_size, new_size);
+ dbg_jnl("ino %lu, size %lld -> %lld",
+ (unsigned long)inum, old_size, new_size);
ubifs_assert(!ui->data_len);
ubifs_assert(S_ISREG(inode->i_mode));
ubifs_assert(mutex_is_locked(&ui->ui_mutex));
diff --git a/fs/ubifs/key.h b/fs/ubifs/key.h
index 9ee65086f62..3f1f16bc25c 100644
--- a/fs/ubifs/key.h
+++ b/fs/ubifs/key.h
@@ -345,7 +345,7 @@ static inline int key_type_flash(const struct ubifs_info *c, const void *k)
{
const union ubifs_key *key = k;
- return le32_to_cpu(key->u32[1]) >> UBIFS_S_KEY_BLOCK_BITS;
+ return le32_to_cpu(key->j32[1]) >> UBIFS_S_KEY_BLOCK_BITS;
}
/**
@@ -416,7 +416,7 @@ static inline unsigned int key_block_flash(const struct ubifs_info *c,
{
const union ubifs_key *key = k;
- return le32_to_cpu(key->u32[1]) & UBIFS_S_KEY_BLOCK_MASK;
+ return le32_to_cpu(key->j32[1]) & UBIFS_S_KEY_BLOCK_MASK;
}
/**
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index eed5a0025d6..a41434b4278 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -571,8 +571,6 @@ static struct ubifs_pnode *next_pnode(struct ubifs_info *c,
/* We assume here that LEB zero is never an LPT LEB */
if (nnode->nbranch[iip].lnum)
return ubifs_get_pnode(c, nnode, iip);
- else
- return NULL;
}
/* Go up while can't go right */
diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c
index 02d3462f4d3..9bd5a43d452 100644
--- a/fs/ubifs/orphan.c
+++ b/fs/ubifs/orphan.c
@@ -105,7 +105,7 @@ int ubifs_add_orphan(struct ubifs_info *c, ino_t inum)
list_add_tail(&orphan->list, &c->orph_list);
list_add_tail(&orphan->new_list, &c->orph_new);
spin_unlock(&c->orphan_lock);
- dbg_gen("ino %lu", inum);
+ dbg_gen("ino %lu", (unsigned long)inum);
return 0;
}
@@ -132,14 +132,16 @@ void ubifs_delete_orphan(struct ubifs_info *c, ino_t inum)
else {
if (o->dnext) {
spin_unlock(&c->orphan_lock);
- dbg_gen("deleted twice ino %lu", inum);
+ dbg_gen("deleted twice ino %lu",
+ (unsigned long)inum);
return;
}
if (o->cnext) {
o->dnext = c->orph_dnext;
c->orph_dnext = o;
spin_unlock(&c->orphan_lock);
- dbg_gen("delete later ino %lu", inum);
+ dbg_gen("delete later ino %lu",
+ (unsigned long)inum);
return;
}
rb_erase(p, &c->orph_tree);
@@ -151,12 +153,12 @@ void ubifs_delete_orphan(struct ubifs_info *c, ino_t inum)
}
spin_unlock(&c->orphan_lock);
kfree(o);
- dbg_gen("inum %lu", inum);
+ dbg_gen("inum %lu", (unsigned long)inum);
return;
}
}
spin_unlock(&c->orphan_lock);
- dbg_err("missing orphan ino %lu", inum);
+ dbg_err("missing orphan ino %lu", (unsigned long)inum);
dbg_dump_stack();
}
@@ -448,7 +450,7 @@ static void erase_deleted(struct ubifs_info *c)
rb_erase(&orphan->rb, &c->orph_tree);
list_del(&orphan->list);
c->tot_orphans -= 1;
- dbg_gen("deleting orphan ino %lu", orphan->inum);
+ dbg_gen("deleting orphan ino %lu", (unsigned long)orphan->inum);
kfree(orphan);
}
c->orph_dnext = NULL;
@@ -536,8 +538,8 @@ static int insert_dead_orphan(struct ubifs_info *c, ino_t inum)
list_add_tail(&orphan->list, &c->orph_list);
orphan->dnext = c->orph_dnext;
c->orph_dnext = orphan;
- dbg_mnt("ino %lu, new %d, tot %d",
- inum, c->new_orphans, c->tot_orphans);
+ dbg_mnt("ino %lu, new %d, tot %d", (unsigned long)inum,
+ c->new_orphans, c->tot_orphans);
return 0;
}
@@ -609,7 +611,8 @@ static int do_kill_orphans(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
n = (le32_to_cpu(orph->ch.len) - UBIFS_ORPH_NODE_SZ) >> 3;
for (i = 0; i < n; i++) {
inum = le64_to_cpu(orph->inos[i]);
- dbg_rcvry("deleting orphaned inode %lu", inum);
+ dbg_rcvry("deleting orphaned inode %lu",
+ (unsigned long)inum);
err = ubifs_tnc_remove_ino(c, inum);
if (err)
return err;
@@ -840,8 +843,8 @@ static int dbg_orphan_check(struct ubifs_info *c, struct ubifs_zbranch *zbr,
if (inum != ci->last_ino) {
/* Lowest node type is the inode node, so it comes first */
if (key_type(c, &zbr->key) != UBIFS_INO_KEY)
- ubifs_err("found orphan node ino %lu, type %d", inum,
- key_type(c, &zbr->key));
+ ubifs_err("found orphan node ino %lu, type %d",
+ (unsigned long)inum, key_type(c, &zbr->key));
ci->last_ino = inum;
ci->tot_inos += 1;
err = ubifs_tnc_read_node(c, zbr, ci->node);
@@ -853,7 +856,8 @@ static int dbg_orphan_check(struct ubifs_info *c, struct ubifs_zbranch *zbr,
/* Must be recorded as an orphan */
if (!dbg_find_check_orphan(&ci->root, inum) &&
!dbg_find_orphan(c, inum)) {
- ubifs_err("missing orphan, ino %lu", inum);
+ ubifs_err("missing orphan, ino %lu",
+ (unsigned long)inum);
ci->missing += 1;
}
}
diff --git a/fs/ubifs/recovery.c b/fs/ubifs/recovery.c
index 77d26c141cf..90acac603e6 100644
--- a/fs/ubifs/recovery.c
+++ b/fs/ubifs/recovery.c
@@ -168,12 +168,12 @@ static int write_rcvrd_mst_node(struct ubifs_info *c,
struct ubifs_mst_node *mst)
{
int err = 0, lnum = UBIFS_MST_LNUM, sz = c->mst_node_alsz;
- uint32_t save_flags;
+ __le32 save_flags;
dbg_rcvry("recovery");
save_flags = mst->flags;
- mst->flags = cpu_to_le32(le32_to_cpu(mst->flags) | UBIFS_MST_RCVRY);
+ mst->flags |= cpu_to_le32(UBIFS_MST_RCVRY);
ubifs_prepare_node(c, mst, UBIFS_MST_NODE_SZ, 1);
err = ubi_leb_change(c->ubi, lnum, mst, sz, UBI_SHORTTERM);
@@ -1435,13 +1435,13 @@ static int fix_size_in_place(struct ubifs_info *c, struct size_entry *e)
err = ubi_leb_change(c->ubi, lnum, c->sbuf, len, UBI_UNKNOWN);
if (err)
goto out;
- dbg_rcvry("inode %lu at %d:%d size %lld -> %lld ", e->inum, lnum, offs,
- i_size, e->d_size);
+ dbg_rcvry("inode %lu at %d:%d size %lld -> %lld ",
+ (unsigned long)e->inum, lnum, offs, i_size, e->d_size);
return 0;
out:
ubifs_warn("inode %lu failed to fix size %lld -> %lld error %d",
- e->inum, e->i_size, e->d_size, err);
+ (unsigned long)e->inum, e->i_size, e->d_size, err);
return err;
}
@@ -1472,7 +1472,8 @@ int ubifs_recover_size(struct ubifs_info *c)
return err;
if (err == -ENOENT) {
/* Remove data nodes that have no inode */
- dbg_rcvry("removing ino %lu", e->inum);
+ dbg_rcvry("removing ino %lu",
+ (unsigned long)e->inum);
err = ubifs_tnc_remove_ino(c, e->inum);
if (err)
return err;
@@ -1493,8 +1494,8 @@ int ubifs_recover_size(struct ubifs_info *c)
return PTR_ERR(inode);
if (inode->i_size < e->d_size) {
dbg_rcvry("ino %lu size %lld -> %lld",
- e->inum, e->d_size,
- inode->i_size);
+ (unsigned long)e->inum,
+ e->d_size, inode->i_size);
inode->i_size = e->d_size;
ubifs_inode(inode)->ui_size = e->d_size;
e->inode = inode;
diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c
index 7399692af85..21f7d047c30 100644
--- a/fs/ubifs/replay.c
+++ b/fs/ubifs/replay.c
@@ -1065,7 +1065,7 @@ int ubifs_replay_journal(struct ubifs_info *c)
ubifs_assert(c->bud_bytes <= c->max_bud_bytes || c->need_recovery);
dbg_mnt("finished, log head LEB %d:%d, max_sqnum %llu, "
"highest_inum %lu", c->lhead_lnum, c->lhead_offs, c->max_sqnum,
- c->highest_inum);
+ (unsigned long)c->highest_inum);
out:
destroy_replay_tree(c);
destroy_bud_list(c);
diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c
index 2bf753b3888..0f392351dc5 100644
--- a/fs/ubifs/sb.c
+++ b/fs/ubifs/sb.c
@@ -81,6 +81,7 @@ static int create_default_filesystem(struct ubifs_info *c)
int lpt_lebs, lpt_first, orph_lebs, big_lpt, ino_waste, sup_flags = 0;
int min_leb_cnt = UBIFS_MIN_LEB_CNT;
uint64_t tmp64, main_bytes;
+ __le64 tmp_le64;
/* Some functions called from here depend on the @c->key_len filed */
c->key_len = UBIFS_SK_LEN;
@@ -295,10 +296,10 @@ static int create_default_filesystem(struct ubifs_info *c)
ino->ch.node_type = UBIFS_INO_NODE;
ino->creat_sqnum = cpu_to_le64(++c->max_sqnum);
ino->nlink = cpu_to_le32(2);
- tmp = cpu_to_le64(CURRENT_TIME_SEC.tv_sec);
- ino->atime_sec = tmp;
- ino->ctime_sec = tmp;
- ino->mtime_sec = tmp;
+ tmp_le64 = cpu_to_le64(CURRENT_TIME_SEC.tv_sec);
+ ino->atime_sec = tmp_le64;
+ ino->ctime_sec = tmp_le64;
+ ino->mtime_sec = tmp_le64;
ino->atime_nsec = 0;
ino->ctime_nsec = 0;
ino->mtime_nsec = 0;
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 8780efbf40a..d80b2aef42b 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -36,6 +36,12 @@
#include <linux/mount.h>
#include "ubifs.h"
+/*
+ * Maximum amount of memory we may 'kmalloc()' without worrying that we are
+ * allocating too much.
+ */
+#define UBIFS_KMALLOC_OK (128*1024)
+
/* Slab cache for UBIFS inodes */
struct kmem_cache *ubifs_inode_slab;
@@ -561,18 +567,11 @@ static int init_constants_early(struct ubifs_info *c)
* calculations when reporting free space.
*/
c->leb_overhead = c->leb_size % UBIFS_MAX_DATA_NODE_SZ;
- /* Buffer size for bulk-reads */
- c->bulk_read_buf_size = UBIFS_MAX_BULK_READ * UBIFS_MAX_DATA_NODE_SZ;
- if (c->bulk_read_buf_size > c->leb_size)
- c->bulk_read_buf_size = c->leb_size;
- if (c->bulk_read_buf_size > 128 * 1024) {
- /* Check if we can kmalloc more than 128KiB */
- void *try = kmalloc(c->bulk_read_buf_size, GFP_KERNEL);
- kfree(try);
- if (!try)
- c->bulk_read_buf_size = 128 * 1024;
- }
+ /* Buffer size for bulk-reads */
+ c->max_bu_buf_len = UBIFS_MAX_BULK_READ * UBIFS_MAX_DATA_NODE_SZ;
+ if (c->max_bu_buf_len > c->leb_size)
+ c->max_bu_buf_len = c->leb_size;
return 0;
}
@@ -992,6 +991,34 @@ static void destroy_journal(struct ubifs_info *c)
}
/**
+ * bu_init - initialize bulk-read information.
+ * @c: UBIFS file-system description object
+ */
+static void bu_init(struct ubifs_info *c)
+{
+ ubifs_assert(c->bulk_read == 1);
+
+ if (c->bu.buf)
+ return; /* Already initialized */
+
+again:
+ c->bu.buf = kmalloc(c->max_bu_buf_len, GFP_KERNEL | __GFP_NOWARN);
+ if (!c->bu.buf) {
+ if (c->max_bu_buf_len > UBIFS_KMALLOC_OK) {
+ c->max_bu_buf_len = UBIFS_KMALLOC_OK;
+ goto again;
+ }
+
+ /* Just disable bulk-read */
+ ubifs_warn("Cannot allocate %d bytes of memory for bulk-read, "
+ "disabling it", c->max_bu_buf_len);
+ c->mount_opts.bulk_read = 1;
+ c->bulk_read = 0;
+ return;
+ }
+}
+
+/**
* mount_ubifs - mount UBIFS file-system.
* @c: UBIFS file-system description object
*
@@ -1059,6 +1086,13 @@ static int mount_ubifs(struct ubifs_info *c)
goto out_free;
}
+ if (c->bulk_read == 1)
+ bu_init(c);
+
+ /*
+ * We have to check all CRCs, even for data nodes, when we mount the FS
+ * (specifically, when we are replaying).
+ */
c->always_chk_crc = 1;
err = ubifs_read_superblock(c);
@@ -1289,6 +1323,7 @@ out_cbuf:
out_dereg:
dbg_failure_mode_deregistration(c);
out_free:
+ kfree(c->bu.buf);
vfree(c->ileb_buf);
vfree(c->sbuf);
kfree(c->bottom_up_buf);
@@ -1325,10 +1360,11 @@ static void ubifs_umount(struct ubifs_info *c)
kfree(c->cbuf);
kfree(c->rcvrd_mst_node);
kfree(c->mst_node);
+ kfree(c->bu.buf);
+ vfree(c->ileb_buf);
vfree(c->sbuf);
kfree(c->bottom_up_buf);
UBIFS_DBG(vfree(c->dbg_buf));
- vfree(c->ileb_buf);
dbg_failure_mode_deregistration(c);
}
@@ -1626,6 +1662,7 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
ubifs_err("invalid or unknown remount parameter");
return err;
}
+
if ((sb->s_flags & MS_RDONLY) && !(*flags & MS_RDONLY)) {
err = ubifs_remount_rw(c);
if (err)
@@ -1633,6 +1670,14 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
} else if (!(sb->s_flags & MS_RDONLY) && (*flags & MS_RDONLY))
ubifs_remount_ro(c);
+ if (c->bulk_read == 1)
+ bu_init(c);
+ else {
+ dbg_gen("disable bulk-read");
+ kfree(c->bu.buf);
+ c->bu.buf = NULL;
+ }
+
return 0;
}
@@ -1723,6 +1768,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
mutex_init(&c->log_mutex);
mutex_init(&c->mst_mutex);
mutex_init(&c->umount_mutex);
+ mutex_init(&c->bu_mutex);
init_waitqueue_head(&c->cmt_wq);
c->buds = RB_ROOT;
c->old_idx = RB_ROOT;
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index d27fd918b9c..6eef5344a14 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -1501,7 +1501,12 @@ out:
* @bu: bulk-read parameters and results
*
* Lookup consecutive data node keys for the same inode that reside
- * consecutively in the same LEB.
+ * consecutively in the same LEB. This function returns zero in case of success
+ * and a negative error code in case of failure.
+ *
+ * Note, if the bulk-read buffer length (@bu->buf_len) is known, this function
+ * makes sure bulk-read nodes fit the buffer. Otherwise, this function prepares
+ * maxumum possible amount of nodes for bulk-read.
*/
int ubifs_tnc_get_bu_keys(struct ubifs_info *c, struct bu_info *bu)
{
@@ -2677,7 +2682,7 @@ int ubifs_tnc_remove_ino(struct ubifs_info *c, ino_t inum)
struct ubifs_dent_node *xent, *pxent = NULL;
struct qstr nm = { .name = NULL };
- dbg_tnc("ino %lu", inum);
+ dbg_tnc("ino %lu", (unsigned long)inum);
/*
* Walk all extended attribute entries and remove them together with
@@ -2697,7 +2702,8 @@ int ubifs_tnc_remove_ino(struct ubifs_info *c, ino_t inum)
}
xattr_inum = le64_to_cpu(xent->inum);
- dbg_tnc("xent '%s', ino %lu", xent->name, xattr_inum);
+ dbg_tnc("xent '%s', ino %lu", xent->name,
+ (unsigned long)xattr_inum);
nm.name = xent->name;
nm.len = le16_to_cpu(xent->nlen);
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index a7bd32fa15b..46b172560a0 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -753,7 +753,7 @@ struct ubifs_znode {
};
/**
- * struct bu_info - bulk-read information
+ * struct bu_info - bulk-read information.
* @key: first data node key
* @zbranch: zbranches of data nodes to bulk read
* @buf: buffer to read into
@@ -969,7 +969,10 @@ struct ubifs_mount_opts {
* @mst_node: master node
* @mst_offs: offset of valid master node
* @mst_mutex: protects the master node area, @mst_node, and @mst_offs
- * @bulk_read_buf_size: buffer size for bulk-reads
+ *
+ * @max_bu_buf_len: maximum bulk-read buffer length
+ * @bu_mutex: protects the pre-allocated bulk-read buffer and @c->bu
+ * @bu: pre-allocated bulk-read information
*
* @log_lebs: number of logical eraseblocks in the log
* @log_bytes: log size in bytes
@@ -1217,7 +1220,10 @@ struct ubifs_info {
struct ubifs_mst_node *mst_node;
int mst_offs;
struct mutex mst_mutex;
- int bulk_read_buf_size;
+
+ int max_bu_buf_len;
+ struct mutex bu_mutex;
+ struct bu_info bu;
int log_lebs;
long long log_bytes;
diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c
index d700dacdb10..c903130be7f 100644
--- a/fs/xfs/xfs_rename.c
+++ b/fs/xfs/xfs_rename.c
@@ -212,7 +212,7 @@ xfs_rename(
if (unlikely((target_dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) &&
(target_dp->i_d.di_projid != src_ip->i_d.di_projid))) {
error = XFS_ERROR(EXDEV);
- xfs_rename_unlock4(inodes, XFS_ILOCK_SHARED);
+ xfs_rename_unlock4(inodes, XFS_ILOCK_EXCL);
xfs_trans_cancel(tp, cancel_flags);
goto std_return;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 23:14:37 +0000