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| author | Jaegeuk Kim | 2014-03-19 06:17:21 +0100 |
|---|---|---|
| committer | Jaegeuk Kim | 2014-03-20 14:10:10 +0100 |
| commit | 58c410351eba3d24f741c85a0eb9eaf15c94047d (patch) | |
| tree | 0d6f328aa1c7645a8ba92bc80c91cfd425ca3c91 /fs/f2fs | |
| parent | f2fs: add missing documentation for dir_level (diff) | |
| download | kernel-qcow2-linux-58c410351eba3d24f741c85a0eb9eaf15c94047d.tar.gz kernel-qcow2-linux-58c410351eba3d24f741c85a0eb9eaf15c94047d.tar.xz kernel-qcow2-linux-58c410351eba3d24f741c85a0eb9eaf15c94047d.zip | |
f2fs: change reclaim rate in percentage
It is more reasonable to determine the reclaiming rate of prefree segments
according to the volume size, which is set to 5% by default.
For example, if the volume is 128GB, the prefree segments are reclaimed
when the number reaches to 6.4GB.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/segment.c | 3 | ||||
| -rw-r--r-- | fs/f2fs/segment.h | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 6c5a4f0218ca..e7ff23a536a4 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1758,7 +1758,8 @@ int build_segment_manager(struct f2fs_sb_info *sbi) sm_info->ovp_segments = le32_to_cpu(ckpt->overprov_segment_count); sm_info->main_segments = le32_to_cpu(raw_super->segment_count_main); sm_info->ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr); - sm_info->rec_prefree_segments = DEF_RECLAIM_PREFREE_SEGMENTS; + sm_info->rec_prefree_segments = sm_info->main_segments * + DEF_RECLAIM_PREFREE_SEGMENTS / 100; sm_info->ipu_policy = F2FS_IPU_DISABLE; sm_info->min_ipu_util = DEF_MIN_IPU_UTIL; diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 9fc46ee27bb8..7091204680f4 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -14,7 +14,7 @@ #define NULL_SEGNO ((unsigned int)(~0)) #define NULL_SECNO ((unsigned int)(~0)) -#define DEF_RECLAIM_PREFREE_SEGMENTS 100 /* 200MB of prefree segments */ +#define DEF_RECLAIM_PREFREE_SEGMENTS 5 /* 5% over total segments */ /* L: Logical segment # in volume, R: Relative segment # in main area */ #define GET_L2R_SEGNO(free_i, segno) (segno - free_i->start_segno) |