diff options
Diffstat (limited to 'fs/btrfs/free-space-cache.c')
| -rw-r--r-- | fs/btrfs/free-space-cache.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 22ee0dc2e6b8..60d684266959 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c | |||
| @@ -290,7 +290,7 @@ int load_free_space_cache(struct btrfs_fs_info *fs_info, | |||
| 290 | (unsigned long long)BTRFS_I(inode)->generation, | 290 | (unsigned long long)BTRFS_I(inode)->generation, |
| 291 | (unsigned long long)generation, | 291 | (unsigned long long)generation, |
| 292 | (unsigned long long)block_group->key.objectid); | 292 | (unsigned long long)block_group->key.objectid); |
| 293 | goto out; | 293 | goto free_cache; |
| 294 | } | 294 | } |
| 295 | 295 | ||
| 296 | if (!num_entries) | 296 | if (!num_entries) |
| @@ -524,6 +524,12 @@ int btrfs_write_out_cache(struct btrfs_root *root, | |||
| 524 | return 0; | 524 | return 0; |
| 525 | } | 525 | } |
| 526 | 526 | ||
| 527 | node = rb_first(&block_group->free_space_offset); | ||
| 528 | if (!node) { | ||
| 529 | iput(inode); | ||
| 530 | return 0; | ||
| 531 | } | ||
| 532 | |||
| 527 | last_index = (i_size_read(inode) - 1) >> PAGE_CACHE_SHIFT; | 533 | last_index = (i_size_read(inode) - 1) >> PAGE_CACHE_SHIFT; |
| 528 | filemap_write_and_wait(inode->i_mapping); | 534 | filemap_write_and_wait(inode->i_mapping); |
| 529 | btrfs_wait_ordered_range(inode, inode->i_size & | 535 | btrfs_wait_ordered_range(inode, inode->i_size & |
| @@ -543,10 +549,6 @@ int btrfs_write_out_cache(struct btrfs_root *root, | |||
| 543 | */ | 549 | */ |
| 544 | first_page_offset = (sizeof(u32) * num_checksums) + sizeof(u64); | 550 | first_page_offset = (sizeof(u32) * num_checksums) + sizeof(u64); |
| 545 | 551 | ||
| 546 | node = rb_first(&block_group->free_space_offset); | ||
| 547 | if (!node) | ||
| 548 | goto out_free; | ||
| 549 | |||
| 550 | /* | 552 | /* |
| 551 | * Lock all pages first so we can lock the extent safely. | 553 | * Lock all pages first so we can lock the extent safely. |
| 552 | * | 554 | * |
