diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-19 10:40:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-19 10:40:24 -0700 |
| commit | 6c30c53fd5ae6a99a23ad78e90c428d2c8ffb07f (patch) | |
| tree | b840fbfc5453d307ff9211f0b0e5015dc9e5a345 /fs/nilfs2/super.c | |
| parent | 0dc9aa845c20ed1f46c85f229591b811dffc4b3b (diff) | |
| parent | a924586036833086b262a371b09d1266c23bb4d1 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2:
nilfs2: fix oopses with doubly mounted snapshots
nilfs2: missing a read lock for segment writer in nilfs_attach_checkpoint()
Diffstat (limited to 'fs/nilfs2/super.c')
| -rw-r--r-- | fs/nilfs2/super.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 8e2ec43b18f..151964f0de4 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -416,8 +416,10 @@ int nilfs_attach_checkpoint(struct nilfs_sb_info *sbi, __u64 cno) if (unlikely(err)) goto failed; + down_read(&nilfs->ns_segctor_sem); err = nilfs_cpfile_get_checkpoint(nilfs->ns_cpfile, cno, 0, &raw_cp, &bh_cp); + up_read(&nilfs->ns_segctor_sem); if (unlikely(err)) { if (err == -ENOENT || err == -EINVAL) { printk(KERN_ERR |