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| author | Wanpeng Li <wanpeng.li@linux.intel.com> | 2015-02-27 12:38:13 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-04-11 01:08:29 +0300 |
| commit | 14b42817763903070fa8cbf087369461400cc021 (patch) | |
| tree | daa865e4268eb87ddfd208649b79cb15b51b5679 /fs/f2fs | |
| parent | 2b11a74b21b040270d19fc3b61265c75413c0dc1 (diff) | |
| download | linux-14b42817763903070fa8cbf087369461400cc021.tar.xz | |
f2fs: fix max orphan inodes calculation
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>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index e9f30abbb6fe..81d6d2f0e8ed 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1104,13 +1104,15 @@ void init_ino_entry_info(struct f2fs_sb_info *sbi) } /* - * considering 512 blocks in a segment 8 blocks are needed for cp - * and log segment summaries. Remaining blocks are used to keep - * orphan entries with the limitation one reserved segment - * for cp pack we can have max 1020*504 orphan entries + * considering 512 blocks in a segment 8+cp_payload blocks are + * needed for cp and log segment summaries. Remaining blocks are + * used to keep orphan entries with the limitation one reserved + * segment for cp pack we can have max 1020*(504-cp_payload) + * 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) |