#include "inode-map.h"
#include "backref.h"
#include "hash.h"
+#include "props.h"
struct btrfs_iget_args {
- u64 ino;
+ struct btrfs_key *location;
struct btrfs_root *root;
};
if (btrfs_is_free_space_inode(inode)) {
WARN_ON_ONCE(1);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out_unlock;
}
num_bytes = ALIGN(end - start + 1, blocksize);
nocow = 1;
} else if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
extent_end = found_key.offset +
- btrfs_file_extent_inline_len(leaf, fi);
+ btrfs_file_extent_inline_len(leaf,
+ path->slots[0], fi);
extent_end = ALIGN(extent_end, root->sectorsize);
} else {
BUG_ON(1);
u64 extent_len;
struct btrfs_key found_key;
- ret = btrfs_search_slot(trans, root, &key, path, 1, 1);
+ ret = btrfs_search_slot(trans, root, &key, path, 0, 1);
if (ret < 0)
goto out_free_path;
EXTENT_DEFRAG, 1, cached_state);
if (ret) {
u64 last_snapshot = btrfs_root_last_snapshot(&root->root_item);
- if (last_snapshot >= BTRFS_I(inode)->generation)
+ if (0 && last_snapshot >= BTRFS_I(inode)->generation)
/* the inode is shared */
new = record_old_file_extents(inode, ordered_extent);
* slot is the slot the inode is in, objectid is the objectid of the inode
*/
static noinline int acls_after_inode_item(struct extent_buffer *leaf,
- int slot, u64 objectid)
+ int slot, u64 objectid,
+ int *first_xattr_slot)
{
u32 nritems = btrfs_header_nritems(leaf);
struct btrfs_key found_key;
}
slot++;
+ *first_xattr_slot = -1;
while (slot < nritems) {
btrfs_item_key_to_cpu(leaf, &found_key, slot);
/* we found an xattr, assume we've got an acl */
if (found_key.type == BTRFS_XATTR_ITEM_KEY) {
+ if (*first_xattr_slot == -1)
+ *first_xattr_slot = slot;
if (found_key.offset == xattr_access ||
found_key.offset == xattr_default)
return 1;
* something larger than an xattr. We have to assume the inode
* has acls
*/
+ if (*first_xattr_slot == -1)
+ *first_xattr_slot = slot;
return 1;
}
u32 rdev;
int ret;
bool filled = false;
+ int first_xattr_slot;
ret = btrfs_fill_inode(inode, &rdev);
if (!ret)
if (!path)
goto make_bad;
- path->leave_spinning = 1;
memcpy(&location, &BTRFS_I(inode)->location, sizeof(location));
ret = btrfs_lookup_inode(NULL, root, path, &location, 0);
* any xattrs or acls
*/
maybe_acls = acls_after_inode_item(leaf, path->slots[0],
- btrfs_ino(inode));
+ btrfs_ino(inode), &first_xattr_slot);
+ if (first_xattr_slot != -1) {
+ path->slots[0] = first_xattr_slot;
+ ret = btrfs_load_inode_props(inode, path);
+ if (ret)
+ btrfs_err(root->fs_info,
+ "error loading props for ino %llu (root %llu): %d\n",
+ btrfs_ino(inode),
+ root->root_key.objectid, ret);
+ }
+ btrfs_free_path(path);
+
if (!maybe_acls)
cache_no_acl(inode);
- btrfs_free_path(path);
-
switch (inode->i_mode & S_IFMT) {
case S_IFREG:
inode->i_mapping->a_ops = &btrfs_aops;
btrfs_file_extent_num_bytes(leaf, fi);
} else if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
item_end += btrfs_file_extent_inline_len(leaf,
- fi);
+ path->slots[0], fi);
}
item_end--;
}
inode_sub_bytes(inode, item_end + 1 -
new_size);
}
+
+ /*
+ * update the ram bytes to properly reflect
+ * the new size of our item
+ */
+ btrfs_set_file_extent_ram_bytes(leaf, fi, size);
size =
btrfs_file_extent_calc_inline_size(size);
btrfs_truncate_item(root, path, size, 1);
static int btrfs_init_locked_inode(struct inode *inode, void *p)
{
struct btrfs_iget_args *args = p;
- inode->i_ino = args->ino;
+ inode->i_ino = args->location->objectid;
+ memcpy(&BTRFS_I(inode)->location, args->location,
+ sizeof(*args->location));
BTRFS_I(inode)->root = args->root;
return 0;
}
static int btrfs_find_actor(struct inode *inode, void *opaque)
{
struct btrfs_iget_args *args = opaque;
- return args->ino == btrfs_ino(inode) &&
+ return args->location->objectid == BTRFS_I(inode)->location.objectid &&
args->root == BTRFS_I(inode)->root;
}
static struct inode *btrfs_iget_locked(struct super_block *s,
- u64 objectid,
+ struct btrfs_key *location,
struct btrfs_root *root)
{
struct inode *inode;
struct btrfs_iget_args args;
- unsigned long hashval = btrfs_inode_hash(objectid, root);
+ unsigned long hashval = btrfs_inode_hash(location->objectid, root);
- args.ino = objectid;
+ args.location = location;
args.root = root;
inode = iget5_locked(s, hashval, btrfs_find_actor,
{
struct inode *inode;
- inode = btrfs_iget_locked(s, location->objectid, root);
+ inode = btrfs_iget_locked(s, location, root);
if (!inode)
return ERR_PTR(-ENOMEM);
if (inode->i_state & I_NEW) {
- BTRFS_I(inode)->root = root;
- memcpy(&BTRFS_I(inode)->location, location, sizeof(*location));
btrfs_read_locked_inode(inode);
if (!is_bad_inode(inode)) {
inode_tree_add(inode);
return ERR_CAST(inode);
}
- return d_splice_alias(inode, dentry);
+ return d_materialise_unique(dentry, inode);
}
unsigned char btrfs_filetype_table[] = {
btrfs_update_root_times(trans, root);
+ ret = btrfs_inode_inherit_props(trans, inode, dir);
+ if (ret)
+ btrfs_err(root->fs_info,
+ "error inheriting props for ino %llu (root %llu): %d",
+ btrfs_ino(inode), root->root_key.objectid, ret);
+
return inode;
fail:
if (dir)
}
out_unlock:
btrfs_end_transaction(trans, root);
+ btrfs_balance_delayed_items(root);
btrfs_btree_balance_dirty(root);
if (drop_inode) {
inode_dec_link_count(inode);
inode_dec_link_count(inode);
iput(inode);
}
+ btrfs_balance_delayed_items(root);
btrfs_btree_balance_dirty(root);
return err;
}
}
btrfs_end_transaction(trans, root);
+ btrfs_balance_delayed_items(root);
fail:
if (drop_inode) {
inode_dec_link_count(inode);
btrfs_end_transaction(trans, root);
if (drop_on_err)
iput(inode);
+ btrfs_balance_delayed_items(root);
btrfs_btree_balance_dirty(root);
return err;
}
btrfs_file_extent_num_bytes(leaf, item);
} else if (found_type == BTRFS_FILE_EXTENT_INLINE) {
size_t size;
- size = btrfs_file_extent_inline_len(leaf, item);
+ size = btrfs_file_extent_inline_len(leaf, path->slots[0], item);
extent_end = ALIGN(extent_start + size, root->sectorsize);
}
next:
goto out;
}
- size = btrfs_file_extent_inline_len(leaf, item);
+ size = btrfs_file_extent_inline_len(leaf, path->slots[0], item);
extent_offset = page_offset(page) + pg_offset - extent_start;
copy_size = min_t(u64, PAGE_CACHE_SIZE - pg_offset,
size - extent_offset);
* create a new subvolume directory/inode (helper for the ioctl).
*/
int btrfs_create_subvol_root(struct btrfs_trans_handle *trans,
- struct btrfs_root *new_root, u64 new_dirid)
+ struct btrfs_root *new_root,
+ struct btrfs_root *parent_root,
+ u64 new_dirid)
{
struct inode *inode;
int err;
set_nlink(inode, 1);
btrfs_i_size_write(inode, 0);
+ err = btrfs_subvol_inherit_props(trans, new_root, parent_root);
+ if (err)
+ btrfs_err(new_root->fs_info,
+ "error inheriting subvolume %llu properties: %d\n",
+ new_root->root_key.objectid, err);
+
err = btrfs_update_inode(trans, new_root, inode);
iput(inode);
{
int ret;
- if (root->fs_info->sb->s_flags & MS_RDONLY)
+ if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))
return -EROFS;
ret = __start_delalloc_inodes(root, delay_iput);
struct list_head splice;
int ret;
- if (fs_info->sb->s_flags & MS_RDONLY)
+ if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
return -EROFS;
INIT_LIST_HEAD(&splice);
projects / karo-tx-linux.git / blobdiff