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f2fs: change reclaim rate in percentage

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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>
This commit is contained in:
Jaegeuk Kim
2014-03-19 14:17:21 +09:00
parent 9179682591
commit 58c410351e
3 changed files with 8 additions and 5 deletions
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fs/f2fs/segment.h
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@@ -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)