f2fs_stop_checkpoint(, false) is complex and it may sleep, so we should move it outside segmap_lock spinlock coverage in get_new_segment().
Signed-off-by: Chao Yu <c...@kernel.org> --- fs/f2fs/segment.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index d0209ea77dd2..8edc42071e6f 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2646,6 +2646,7 @@ static void get_new_segment(struct f2fs_sb_info *sbi, unsigned int old_zoneno = GET_ZONE_FROM_SEG(sbi, *newseg); bool init = true; int i; + int ret = 0; spin_lock(&free_i->segmap_lock); @@ -2671,9 +2672,8 @@ static void get_new_segment(struct f2fs_sb_info *sbi, secno = find_first_zero_bit(free_i->free_secmap, MAIN_SECS(sbi)); if (secno >= MAIN_SECS(sbi)) { - f2fs_stop_checkpoint(sbi, false, - STOP_CP_REASON_NO_SEGMENT); - f2fs_bug_on(sbi, 1); + ret = -ENOSPC; + goto out_unlock; } } segno = GET_SEG_FROM_SEC(sbi, secno); @@ -2704,7 +2704,13 @@ static void get_new_segment(struct f2fs_sb_info *sbi, f2fs_bug_on(sbi, test_bit(segno, free_i->free_segmap)); __set_inuse(sbi, segno); *newseg = segno; +out_unlock: spin_unlock(&free_i->segmap_lock); + + if (ret) { + f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_NO_SEGMENT); + f2fs_bug_on(sbi, 1); + } } static void reset_curseg(struct f2fs_sb_info *sbi, int type, int modified) -- 2.40.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel