aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-08-19 13:40:24 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-08-19 13:40:24 -0400
commit6c30c53fd5ae6a99a23ad78e90c428d2c8ffb07f (patch)
treeb840fbfc5453d307ff9211f0b0e5015dc9e5a345
parent0dc9aa845c20ed1f46c85f229591b811dffc4b3b (diff)
parenta924586036833086b262a371b09d1266c23bb4d1 (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()
-rw-r--r--fs/nilfs2/super.c2
-rw-r--r--fs/nilfs2/the_nilfs.h2
2 files changed, 3 insertions, 1 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 8e2ec43b18f4..151964f0de4c 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)
416 if (unlikely(err)) 416 if (unlikely(err))
417 goto failed; 417 goto failed;
418 418
419 down_read(&nilfs->ns_segctor_sem);
419 err = nilfs_cpfile_get_checkpoint(nilfs->ns_cpfile, cno, 0, &raw_cp, 420 err = nilfs_cpfile_get_checkpoint(nilfs->ns_cpfile, cno, 0, &raw_cp,
420 &bh_cp); 421 &bh_cp);
422 up_read(&nilfs->ns_segctor_sem);
421 if (unlikely(err)) { 423 if (unlikely(err)) {
422 if (err == -ENOENT || err == -EINVAL) { 424 if (err == -ENOENT || err == -EINVAL) {
423 printk(KERN_ERR 425 printk(KERN_ERR
diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h
index e8adbffc626f..1b9caafb8662 100644
--- a/fs/nilfs2/the_nilfs.h
+++ b/fs/nilfs2/the_nilfs.h
@@ -253,7 +253,7 @@ nilfs_detach_writer(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi)
253 253
254static inline void nilfs_put_sbinfo(struct nilfs_sb_info *sbi) 254static inline void nilfs_put_sbinfo(struct nilfs_sb_info *sbi)
255{ 255{
256 if (!atomic_dec_and_test(&sbi->s_count)) 256 if (atomic_dec_and_test(&sbi->s_count))
257 kfree(sbi); 257 kfree(sbi);
258} 258}
259 259