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authorWang Xiaojun <wangxiaojun11@huawei.com>2020-09-17 14:11:58 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2020-09-29 11:48:34 +0300
commitf99ba9add67ce63eca3fe68a3d5e9996cd2c33b5 (patch)
treef963e0b6dd4de1ffae475aa9ea3aa03e1e598541 /fs/f2fs/segment.h
parentd89f589130160a988c0108c81e6b13e0831d7603 (diff)
downloadlinux-f99ba9add67ce63eca3fe68a3d5e9996cd2c33b5.tar.xz
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.h1
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)