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Diffstat (limited to 'fs/btrfs/free-space-cache.c')
-rw-r--r--fs/btrfs/free-space-cache.c12
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 *