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authorJaegeuk Kim <jaegeuk@kernel.org>2014-08-13 16:30:46 -0700
committerJaegeuk Kim <jaegeuk@kernel.org>2014-08-21 13:57:00 -0700
commit14f4e690857715d5e0cbe403b4cb8e8c904a6c15 (patch)
tree9287671809e17cc767e92679102e3b1c86031c21 /fs
parentb3fe0a0da2cb18d3c94d5ddce836e7f889d7286b (diff)
downloadop-kernel-dev-14f4e690857715d5e0cbe403b4cb8e8c904a6c15.zip
op-kernel-dev-14f4e690857715d5e0cbe403b4cb8e8c904a6c15.tar.gz
f2fs: prevent checkpoint during roll-forward
Any checkpoint should not be done during the core roll-forward procedure. Especially, it includes error cases too. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/f2fs/recovery.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 7ca7aad..d36ef35 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -459,6 +459,9 @@ int recover_fsync_data(struct f2fs_sb_info *sbi)
/* step #1: find fsynced inode numbers */
sbi->por_doing = true;
+ /* prevent checkpoint */
+ mutex_lock(&sbi->cp_mutex);
+
blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
err = find_fsync_dnodes(sbi, &inode_list);
@@ -490,8 +493,13 @@ out:
/* Flush all the NAT/SIT pages */
while (get_pages(sbi, F2FS_DIRTY_META))
sync_meta_pages(sbi, META, LONG_MAX);
+ set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG);
+ mutex_unlock(&sbi->cp_mutex);
} else if (need_writecp) {
+ mutex_unlock(&sbi->cp_mutex);
write_checkpoint(sbi, false);
+ } else {
+ mutex_unlock(&sbi->cp_mutex);
}
return err;
}
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