diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index a160f11465f8..fba1348cb2a0 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c | |||
| @@ -756,6 +756,10 @@ again: | |||
| 756 | 756 | ||
| 757 | btrfs_release_path(path); | 757 | btrfs_release_path(path); |
| 758 | 758 | ||
| 759 | /* | ||
| 760 | * Mutex was contended, block until it's released and try | ||
| 761 | * again | ||
| 762 | */ | ||
| 759 | mutex_lock(&head->mutex); | 763 | mutex_lock(&head->mutex); |
| 760 | mutex_unlock(&head->mutex); | 764 | mutex_unlock(&head->mutex); |
| 761 | btrfs_put_delayed_ref(&head->node); | 765 | btrfs_put_delayed_ref(&head->node); |
| @@ -2297,6 +2301,10 @@ again: | |||
| 2297 | atomic_inc(&ref->refs); | 2301 | atomic_inc(&ref->refs); |
| 2298 | 2302 | ||
| 2299 | spin_unlock(&delayed_refs->lock); | 2303 | spin_unlock(&delayed_refs->lock); |
| 2304 | /* | ||
| 2305 | * Mutex was contended, block until it's | ||
| 2306 | * released and try again | ||
| 2307 | */ | ||
| 2300 | mutex_lock(&head->mutex); | 2308 | mutex_lock(&head->mutex); |
| 2301 | mutex_unlock(&head->mutex); | 2309 | mutex_unlock(&head->mutex); |
| 2302 | 2310 | ||
| @@ -2363,6 +2371,10 @@ static noinline int check_delayed_ref(struct btrfs_trans_handle *trans, | |||
| 2363 | 2371 | ||
| 2364 | btrfs_release_path(path); | 2372 | btrfs_release_path(path); |
| 2365 | 2373 | ||
| 2374 | /* | ||
| 2375 | * Mutex was contended, block until it's released and let | ||
| 2376 | * caller try again | ||
| 2377 | */ | ||
| 2366 | mutex_lock(&head->mutex); | 2378 | mutex_lock(&head->mutex); |
| 2367 | mutex_unlock(&head->mutex); | 2379 | mutex_unlock(&head->mutex); |
| 2368 | btrfs_put_delayed_ref(&head->node); | 2380 | btrfs_put_delayed_ref(&head->node); |