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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-09-05 09:57:19 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-09-05 09:57:19 +0400
commite6c340171f0daaccc95b90abbeed2b837157ee11 (patch)
tree843d4035be59bd791321910e52157ce527b3b4b3 /fs/nilfs2/cpfile.c
parenta85442ade272121927a56e02f7dfde1127482df2 (diff)
parent4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff)
downloadlinux-e6c340171f0daaccc95b90abbeed2b837157ee11.tar.xz
Merge tag 'v3.6-rc4' into next
Linux 3.6-rc4 # gpg: Signature made Sat 01 Sep 2012 10:40:33 AM PDT using RSA key ID 00411886 # gpg: Good signature from "Linus Torvalds <torvalds@linux-foundation.org>"
Diffstat (limited to 'fs/nilfs2/cpfile.c')
-rw-r--r--fs/nilfs2/cpfile.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c
index dab5c4c6dfaf..deaa3d33a0aa 100644
--- a/fs/nilfs2/cpfile.c
+++ b/fs/nilfs2/cpfile.c
@@ -286,7 +286,7 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
__u64 cno;
void *kaddr;
unsigned long tnicps;
- int ret, ncps, nicps, count, i;
+ int ret, ncps, nicps, nss, count, i;
if (unlikely(start == 0 || start > end)) {
printk(KERN_ERR "%s: invalid range of checkpoint numbers: "
@@ -301,6 +301,7 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
if (ret < 0)
goto out_sem;
tnicps = 0;
+ nss = 0;
for (cno = start; cno < end; cno += ncps) {
ncps = nilfs_cpfile_checkpoints_in_block(cpfile, cno, end);
@@ -318,8 +319,9 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
cpfile, cno, cp_bh, kaddr);
nicps = 0;
for (i = 0; i < ncps; i++, cp = (void *)cp + cpsz) {
- WARN_ON(nilfs_checkpoint_snapshot(cp));
- if (!nilfs_checkpoint_invalid(cp)) {
+ if (nilfs_checkpoint_snapshot(cp)) {
+ nss++;
+ } else if (!nilfs_checkpoint_invalid(cp)) {
nilfs_checkpoint_set_invalid(cp);
nicps++;
}
@@ -364,6 +366,8 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
}
brelse(header_bh);
+ if (nss > 0)
+ ret = -EBUSY;
out_sem:
up_write(&NILFS_MDT(cpfile)->mi_sem);