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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>
This commit is contained in:
Jaegeuk Kim 2014-08-13 16:30:46 -07:00
parent b3fe0a0da2
commit 14f4e69085
1 changed files with 8 additions and 0 deletions
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8
fs/f2fs/recovery.c
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@ -459,6 +459,9 @@ int recover_fsync_data(struct f2fs_sb_info *sbi)
/* step #1: find fsynced inode numbers */ /* step #1: find fsynced inode numbers */
sbi->por_doing = true; sbi->por_doing = true;
/* prevent checkpoint */
mutex_lock(&sbi->cp_mutex);
blkaddr = NEXT_FREE_BLKADDR(sbi, curseg); blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
err = find_fsync_dnodes(sbi, &inode_list); err = find_fsync_dnodes(sbi, &inode_list);
@ -490,8 +493,13 @@ out:
/* Flush all the NAT/SIT pages */ /* Flush all the NAT/SIT pages */
while (get_pages(sbi, F2FS_DIRTY_META)) while (get_pages(sbi, F2FS_DIRTY_META))
sync_meta_pages(sbi, META, LONG_MAX); sync_meta_pages(sbi, META, LONG_MAX);
set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG);
mutex_unlock(&sbi->cp_mutex);
} else if (need_writecp) { } else if (need_writecp) {
mutex_unlock(&sbi->cp_mutex);
write_checkpoint(sbi, false); write_checkpoint(sbi, false);
} else {
mutex_unlock(&sbi->cp_mutex);
} }
return err; return err;
} }