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Subject[PATCH] f2fs: fix max orphan inodes calculation
Date
cp_payload is introduced for sit bitmap to support large volume, and it is 
just after the block of f2fs_checkpoint + nat bitmap, so the first segment
should include F2FS_CP_PACKS + NR_CURSEG_TYPE + cp_payload + orphan blocks.
However, current max orphan inodes calculation don't consider cp_payload,
this patch fix it by reducing the number of cp_payload from total blocks of
the first segment when calculate max orphan inodes.

Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
---
fs/f2fs/checkpoint.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index db82e09..3c9d677 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1109,7 +1109,7 @@ void init_ino_entry_info(struct f2fs_sb_info *sbi)
* for cp pack we can have max 1020*504 orphan entries
*/
sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
- NR_CURSEG_TYPE) * F2FS_ORPHANS_PER_BLOCK;
+ NR_CURSEG_TYPE - __cp_payload(sbi)) * F2FS_ORPHANS_PER_BLOCK;
}

int __init create_checkpoint_caches(void)
--
1.9.1


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