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| author |   Wang Xiaojun <wangxiaojun11@huawei.com> | 2020-09-17 19:11:58 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2020-09-29 01:48:34 -0700 |
| commit | f99ba9add67ce63eca3fe68a3d5e9996cd2c33b5 (patch) | |
| tree | f963e0b6dd4de1ffae475aa9ea3aa03e1e598541 /fs/f2fs/segment.h | |
| parent | f2fs: remove duplicated code in sanity_check_area_boundary (diff) | |
| download | linux-dev-f99ba9add67ce63eca3fe68a3d5e9996cd2c33b5.tar.xz linux-dev-f99ba9add67ce63eca3fe68a3d5e9996cd2c33b5.zip | |
f2fs: fix wrong total_sections check and fsmeta check
Meta area is not included in section_count computation.
So the minimum number of total_sections is 1 meanwhile it cannot be
greater than segment_count_main.
The minimum number of meta segments is 8 (SB + 2 (CP + SIT + NAT) + SSA).
Signed-off-by: Wang Xiaojun <wangxiaojun11@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.h')
| -rw-r--r-- | fs/f2fs/segment.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index f5b1883eda7a..e81eb0748e2a 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -16,6 +16,7 @@ #define DEF_MAX_RECLAIM_PREFREE_SEGMENTS 4096 /* 8GB in maximum */ #define F2FS_MIN_SEGMENTS 9 /* SB + 2 (CP + SIT + NAT) + SSA + MAIN */ +#define F2FS_MIN_META_SEGMENTS 8 /* SB + 2 (CP + SIT + NAT) + SSA */ /* L: Logical segment # in volume, R: Relative segment # in main area */ #define GET_L2R_SEGNO(free_i, segno) ((segno) - (free_i)->start_segno) |