superrob1500
/
mirror-linux
mirror of https://github.com/torvalds/linux
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

f2fs: add a method for calculating the remaining blocks in the current segment in LFS mode. 

In LFS mode, the previous segment cannot use invalid blocks,
so the remaining blocks from the next_blkoff of the current segment
to the end of the section are calculated.

Signed-off-by: yohan.joung <yohan.joung@sk.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
pull/1253/head
yohan.joung 2025-05-12 16:36:09 +09:00 committed by Jaegeuk Kim
parent 54ca9be0bc
commit 249ad438e1
1 changed files with 19 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
fs/f2fs/segment.h
View File

@ -102,6 +102,8 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
#define CAP_SEGS_PER_SEC(sbi) \ #define CAP_SEGS_PER_SEC(sbi) \
(SEGS_PER_SEC(sbi) - \ (SEGS_PER_SEC(sbi) - \
BLKS_TO_SEGS(sbi, (sbi)->unusable_blocks_per_sec)) BLKS_TO_SEGS(sbi, (sbi)->unusable_blocks_per_sec))
#define GET_START_SEG_FROM_SEC(sbi, segno) \
(rounddown(segno, SEGS_PER_SEC(sbi)))
#define GET_SEC_FROM_SEG(sbi, segno) \ #define GET_SEC_FROM_SEG(sbi, segno) \
(((segno) == -1) ? -1 : (segno) / SEGS_PER_SEC(sbi)) (((segno) == -1) ? -1 : (segno) / SEGS_PER_SEC(sbi))
#define GET_SEG_FROM_SEC(sbi, secno) \ #define GET_SEG_FROM_SEC(sbi, secno) \
@ -582,8 +584,14 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
if (unlikely(segno == NULL_SEGNO)) if (unlikely(segno == NULL_SEGNO))
return false; return false;
if (f2fs_lfs_mode(sbi) && __is_large_section(sbi)) {
left_blocks = CAP_BLKS_PER_SEC(sbi) -
SEGS_TO_BLKS(sbi, (segno - GET_START_SEG_FROM_SEC(sbi, segno))) -
CURSEG_I(sbi, i)->next_blkoff;
} else {
left_blocks = CAP_BLKS_PER_SEC(sbi) - left_blocks = CAP_BLKS_PER_SEC(sbi) -
get_ckpt_valid_blocks(sbi, segno, true); get_ckpt_valid_blocks(sbi, segno, true);
}
blocks = i <= CURSEG_COLD_DATA ? data_blocks : node_blocks; blocks = i <= CURSEG_COLD_DATA ? data_blocks : node_blocks;
if (blocks > left_blocks) if (blocks > left_blocks)
@ -596,8 +604,15 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
if (unlikely(segno == NULL_SEGNO)) if (unlikely(segno == NULL_SEGNO))
return false; return false;
if (f2fs_lfs_mode(sbi) && __is_large_section(sbi)) {
left_blocks = CAP_BLKS_PER_SEC(sbi) -
SEGS_TO_BLKS(sbi, (segno - GET_START_SEG_FROM_SEC(sbi, segno))) -
CURSEG_I(sbi, CURSEG_HOT_DATA)->next_blkoff;
} else {
left_blocks = CAP_BLKS_PER_SEC(sbi) - left_blocks = CAP_BLKS_PER_SEC(sbi) -
get_ckpt_valid_blocks(sbi, segno, true); get_ckpt_valid_blocks(sbi, segno, true);
}
if (dent_blocks > left_blocks) if (dent_blocks > left_blocks)
return false; return false;
return true; return true;