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Merge branch 'alloc_path' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/btrfs-error-handling into for-linus

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This commit is contained in:
Chris Mason
2011-08-01 14:27:34 -04:00
parent ff95acb673 38a1a91953
commit b43b31bdf2
6 changed files with 78 additions and 29 deletions
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24
fs/btrfs/extent-tree.c
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@@ -663,7 +663,9 @@ int btrfs_lookup_extent(struct btrfs_root *root, u64 start, u64 len)
struct btrfs_path *path;
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path)
return -ENOMEM;
key.objectid = start;
key.offset = len;
btrfs_set_key_type(&key, BTRFS_EXTENT_ITEM_KEY);
@@ -3272,6 +3274,9 @@ again:
}
ret = btrfs_alloc_chunk(trans, extent_root, flags);
if (ret < 0 && ret != -ENOSPC)
goto out;
spin_lock(&space_info->lock);
if (ret)
space_info->full = 1;
@@ -3281,6 +3286,7 @@ again:
space_info->force_alloc = CHUNK_ALLOC_NO_FORCE;
space_info->chunk_alloc = 0;
spin_unlock(&space_info->lock);
out:
mutex_unlock(&extent_root->fs_info->chunk_mutex);
return ret;
}
@@ -5501,7 +5507,8 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
u32 size = sizeof(*extent_item) + sizeof(*block_info) + sizeof(*iref);
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path)
return -ENOMEM;
path->leave_spinning = 1;
ret = btrfs_insert_empty_item(trans, fs_info->extent_root, path,
@@ -6272,10 +6279,14 @@ int btrfs_drop_snapshot(struct btrfs_root *root,
int level;
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path)
return -ENOMEM;
wc = kzalloc(sizeof(*wc), GFP_NOFS);
BUG_ON(!wc);
if (!wc) {
btrfs_free_path(path);
return -ENOMEM;
}
trans = btrfs_start_transaction(tree_root, 0);
BUG_ON(IS_ERR(trans));
@@ -7183,7 +7194,10 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
spin_unlock(&cluster->refill_lock);
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path) {
ret = -ENOMEM;
goto out;
}
inode = lookup_free_space_inode(root, block_group, path);
if (!IS_ERR(inode)) {