diff options
| -rw-r--r-- | fs/erofs/utils.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c index 84da2c280012..ec9a1d780dc1 100644 --- a/fs/erofs/utils.c +++ b/fs/erofs/utils.c @@ -150,7 +150,7 @@ static bool erofs_try_to_release_workgroup(struct erofs_sb_info *sbi, * however in order to avoid some race conditions, add a * DBG_BUGON to observe this in advance. */ - DBG_BUGON(xa_erase(&sbi->managed_pslots, grp->index) != grp); + DBG_BUGON(__xa_erase(&sbi->managed_pslots, grp->index) != grp); /* last refcount should be connected with its managed pslot. */ erofs_workgroup_unfreeze(grp, 0); @@ -165,15 +165,19 @@ static unsigned long erofs_shrink_workstation(struct erofs_sb_info *sbi, unsigned int freed = 0; unsigned long index; + xa_lock(&sbi->managed_pslots); xa_for_each(&sbi->managed_pslots, index, grp) { /* try to shrink each valid workgroup */ if (!erofs_try_to_release_workgroup(sbi, grp)) continue; + xa_unlock(&sbi->managed_pslots); ++freed; if (!--nr_shrink) - break; + return freed; + xa_lock(&sbi->managed_pslots); } + xa_unlock(&sbi->managed_pslots); return freed; } |