diff options
Diffstat (limited to 'fs/f2fs/segment.c')
| -rw-r--r-- | fs/f2fs/segment.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 04b0a3c1804d..e4d71755a60f 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2774,6 +2774,8 @@ static int get_new_segment(struct f2fs_sb_info *sbi, unsigned int total_zones = MAIN_SECS(sbi) / sbi->secs_per_zone; unsigned int hint = GET_SEC_FROM_SEG(sbi, *newseg); unsigned int old_zoneno = GET_ZONE_FROM_SEG(sbi, *newseg); + unsigned int alloc_policy = sbi->allocate_section_policy; + unsigned int alloc_hint = sbi->allocate_section_hint; bool init = true; int i; int ret = 0; @@ -2807,6 +2809,21 @@ static int get_new_segment(struct f2fs_sb_info *sbi, } #endif + /* + * Prevent allocate_section_hint from exceeding MAIN_SECS() + * due to desynchronization. + */ + if (alloc_policy != ALLOCATE_FORWARD_NOHINT && + alloc_hint > MAIN_SECS(sbi)) + alloc_hint = MAIN_SECS(sbi); + + if (alloc_policy == ALLOCATE_FORWARD_FROM_HINT && + hint < alloc_hint) + hint = alloc_hint; + else if (alloc_policy == ALLOCATE_FORWARD_WITHIN_HINT && + hint >= alloc_hint) + hint = 0; + find_other_zone: secno = find_next_zero_bit(free_i->free_secmap, MAIN_SECS(sbi), hint); |