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-rw-r--r--fs/btrfs/dev-replace.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index ca6a3a3b6b6c..92109b7c865c 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -932,15 +932,15 @@ void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount)
932 932
933void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info) 933void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info)
934{ 934{
935 DEFINE_WAIT(wait); 935 while (1) {
936again: 936 percpu_counter_inc(&fs_info->bio_counter);
937 percpu_counter_inc(&fs_info->bio_counter); 937 if (likely(!test_bit(BTRFS_FS_STATE_DEV_REPLACING,
938 if (test_bit(BTRFS_FS_STATE_DEV_REPLACING, &fs_info->fs_state)) { 938 &fs_info->fs_state)))
939 break;
940
939 btrfs_bio_counter_dec(fs_info); 941 btrfs_bio_counter_dec(fs_info);
940 wait_event(fs_info->replace_wait, 942 wait_event(fs_info->replace_wait,
941 !test_bit(BTRFS_FS_STATE_DEV_REPLACING, 943 !test_bit(BTRFS_FS_STATE_DEV_REPLACING,
942 &fs_info->fs_state)); 944 &fs_info->fs_state));
943 goto again;
944 } 945 }
945
946} 946}