xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs

Browse Source 
Pull btrfs fixes from Chris Mason:
 "Filipe is nailing down some problems with our skinny extent variation,
  and Dave's patch fixes endian problems in the new super block checks"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: fix race that makes btrfs_lookup_extent_info miss skinny extent items
  Btrfs: properly clean up btrfs_end_io_wq_cache
  Btrfs: fix invalid leaf slot access in btrfs_lookup_extent()
  btrfs: use macro accessors in superblock validation checks
This commit is contained in:
Linus Torvalds
2014-11-01 10:41:26 -07:00
parent 9f935675d4 d05a2b4cd9
commit 4f4274af70
5 changed files with 27 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
fs/btrfs/extent-tree.c
View File

@@ -710,8 +710,8 @@ void btrfs_clear_space_info_full(struct btrfs_fs_info *info)
rcu_read_unlock();
}
/* simple helper to search for an existing extent at a given offset */
int btrfs_lookup_extent(struct btrfs_root *root, u64 start, u64 len)
/* simple helper to search for an existing data extent at a given offset */
int btrfs_lookup_data_extent(struct btrfs_root *root, u64 start, u64 len)
{
int ret;
struct btrfs_key key;
@@ -726,12 +726,6 @@ int btrfs_lookup_extent(struct btrfs_root *root, u64 start, u64 len)
key.type = BTRFS_EXTENT_ITEM_KEY;
ret = btrfs_search_slot(NULL, root->fs_info->extent_root, &key, path,
0, 0);
if (ret > 0) {
btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
if (key.objectid == start &&
key.type == BTRFS_METADATA_ITEM_KEY)
ret = 0;
}
btrfs_free_path(path);
return ret;
}
@@ -786,7 +780,6 @@ search_again:
else
key.type = BTRFS_EXTENT_ITEM_KEY;
again:
ret = btrfs_search_slot(trans, root->fs_info->extent_root,
&key, path, 0, 0);
if (ret < 0)
@@ -802,13 +795,6 @@ again:
key.offset == root->nodesize)
ret = 0;
}
if (ret) {
key.objectid = bytenr;
key.type = BTRFS_EXTENT_ITEM_KEY;
key.offset = root->nodesize;
btrfs_release_path(path);
goto again;
}
}
if (ret == 0) {