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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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49
fs/btrfs/inode.c
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@@ -1061,7 +1061,8 @@ static noinline int run_delalloc_nocow(struct inode *inode,
u64 ino = btrfs_ino(inode);
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path)
return -ENOMEM;
nolock = btrfs_is_free_space_inode(root, inode);
@@ -1645,7 +1646,8 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans,
int ret;
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path)
return -ENOMEM;
path->leave_spinning = 1;
@@ -2517,7 +2519,9 @@ static void btrfs_read_locked_inode(struct inode *inode)
filled = true;
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path)
goto make_bad;
path->leave_spinning = 1;
memcpy(&location, &BTRFS_I(inode)->location, sizeof(location));
@@ -3147,6 +3151,11 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
BUG_ON(new_size > 0 && min_type != BTRFS_EXTENT_DATA_KEY);
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;
path->reada = -1;
if (root->ref_cows || root == root->fs_info->tree_root)
btrfs_drop_extent_cache(inode, new_size & (~mask), (u64)-1, 0);
@@ -3159,10 +3168,6 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
if (min_type == 0 && root == BTRFS_I(inode)->root)
btrfs_kill_delayed_inode_items(inode);
path = btrfs_alloc_path();
BUG_ON(!path);
path->reada = -1;
key.objectid = ino;
key.offset = (u64)-1;
key.type = (u8)-1;
@@ -3690,7 +3695,8 @@ static int btrfs_inode_by_name(struct inode *dir, struct dentry *dentry,
int ret = 0;
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path)
return -ENOMEM;
di = btrfs_lookup_dir_item(NULL, root, path, btrfs_ino(dir), name,
namelen, 0);
@@ -3946,6 +3952,7 @@ struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
struct btrfs_root *root, int *new)
{
struct inode *inode;
int bad_inode = 0;
inode = btrfs_iget_locked(s, location->objectid, root);
if (!inode)
@@ -3955,10 +3962,19 @@ struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
BTRFS_I(inode)->root = root;
memcpy(&BTRFS_I(inode)->location, location, sizeof(*location));
btrfs_read_locked_inode(inode);
inode_tree_add(inode);
unlock_new_inode(inode);
if (new)
*new = 1;
if (!is_bad_inode(inode)) {
inode_tree_add(inode);
unlock_new_inode(inode);
if (new)
*new = 1;
} else {
bad_inode = 1;
}
}
if (bad_inode) {
iput(inode);
inode = ERR_PTR(-ESTALE);
}
return inode;
@@ -4415,7 +4431,8 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
int owner;
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path)
return ERR_PTR(-ENOMEM);
inode = new_inode(root->fs_info->sb);
if (!inode) {
@@ -7172,7 +7189,11 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
goto out_unlock;
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path) {
err = -ENOMEM;
drop_inode = 1;
goto out_unlock;
}
key.objectid = btrfs_ino(inode);
key.offset = 0;
btrfs_set_key_type(&key, BTRFS_EXTENT_DATA_KEY);