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f2fs: check number of blocks in a current section

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[ Upstream commit 7af2df0f67 ]

In cfd66bb715 ("f2fs: fix deadloop in foreground GC"), we needed to check
the number of blocks in a section instead of the segment.

Fixes: cfd66bb715 ("f2fs: fix deadloop in foreground GC")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jaegeuk Kim 2024-02-23 12:32:05 -08:00 committed by Sasha Levin
parent 7486973acc
commit b91d54a2c4
1 changed files with 8 additions and 9 deletions
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17
fs/f2fs/segment.h
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@ -586,23 +586,22 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
unsigned int node_blocks, unsigned int dent_blocks)
{
unsigned int segno, left_blocks;
unsigned segno, left_blocks;
int i;
/* check current node segment */
/* check current node sections in the worst case. */
for (i = CURSEG_HOT_NODE; i <= CURSEG_COLD_NODE; i++) {
segno = CURSEG_I(sbi, i)->segno;
left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
get_seg_entry(sbi, segno)->ckpt_valid_blocks;
left_blocks = CAP_BLKS_PER_SEC(sbi) -
get_ckpt_valid_blocks(sbi, segno, true);
if (node_blocks > left_blocks)
return false;
}
/* check current data segment */
/* check current data section for dentry blocks. */
segno = CURSEG_I(sbi, CURSEG_HOT_DATA)->segno;
left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
get_seg_entry(sbi, segno)->ckpt_valid_blocks;
left_blocks = CAP_BLKS_PER_SEC(sbi) -
get_ckpt_valid_blocks(sbi, segno, true);
if (dent_blocks > left_blocks)
return false;
return true;
@ -651,7 +650,7 @@ static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi,
if (free_secs > upper_secs)
return false;
else if (free_secs <= lower_secs)
if (free_secs <= lower_secs)
return true;
return !curseg_space;
}