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btrfs: Make btrfs_unlink_inode take btrfs_inode 

Signed-off-by: Nikolay Borisov <n.borisov.lkml@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2017-01-18 00:31:44 +02:00 committed by David Sterba
parent 51cc0d3227
commit 4ec5934e43
3 changed files with 50 additions and 44 deletions
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2
fs/btrfs/ctree.h
View File

@ -3127,7 +3127,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry);
int btrfs_set_inode_index(struct inode *dir, u64 *index);
int btrfs_unlink_inode(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct inode *dir, struct inode *inode,
struct btrfs_inode *dir, struct btrfs_inode *inode,
const char *name, int name_len);
int btrfs_add_link(struct btrfs_trans_handle *trans,
struct inode *parent_inode, struct inode *inode,

71
fs/btrfs/inode.c
View File

@ -3981,7 +3981,8 @@ noinline int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
*/
static int __btrfs_unlink_inode(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct inode *dir, struct inode *inode,
struct btrfs_inode *dir,
struct btrfs_inode *inode,
const char *name, int name_len)
{
struct btrfs_fs_info *fs_info = root->fs_info;
@ -3991,8 +3992,8 @@ static int __btrfs_unlink_inode(struct btrfs_trans_handle *trans,
struct btrfs_dir_item *di;
struct btrfs_key key;
u64 index;
u64 ino = btrfs_ino(BTRFS_I(inode));
u64 dir_ino = btrfs_ino(BTRFS_I(dir));
u64 ino = btrfs_ino(inode);
u64 dir_ino = btrfs_ino(dir);
path = btrfs_alloc_path();
if (!path) {
@ -4028,10 +4029,10 @@ static int __btrfs_unlink_inode(struct btrfs_trans_handle *trans,
* that we delay to delete it, and just do this deletion when
* we update the inode item.
*/
if (BTRFS_I(inode)->dir_index) {
ret = btrfs_delayed_delete_inode_ref(BTRFS_I(inode));
if (inode->dir_index) {
ret = btrfs_delayed_delete_inode_ref(inode);
if (!ret) {
index = BTRFS_I(inode)->dir_index;
index = inode->dir_index;
goto skip_backref;
}
}
@ -4046,21 +4047,21 @@ static int __btrfs_unlink_inode(struct btrfs_trans_handle *trans,
goto err;
}
skip_backref:
ret = btrfs_delete_delayed_dir_index(trans, fs_info, BTRFS_I(dir), index);
ret = btrfs_delete_delayed_dir_index(trans, fs_info, dir, index);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto err;
}
ret = btrfs_del_inode_ref_in_log(trans, root, name, name_len,
BTRFS_I(inode), dir_ino);
ret = btrfs_del_inode_ref_in_log(trans, root, name, name_len, inode,
dir_ino);
if (ret != 0 && ret != -ENOENT) {
btrfs_abort_transaction(trans, ret);
goto err;
}
ret = btrfs_del_dir_entries_in_log(trans, root, name, name_len,
BTRFS_I(dir), index);
ret = btrfs_del_dir_entries_in_log(trans, root, name, name_len, dir,
index);
if (ret == -ENOENT)
ret = 0;
else if (ret)
@ -4070,26 +4071,27 @@ err:
if (ret)
goto out;
btrfs_i_size_write(dir, dir->i_size - name_len * 2);
inode_inc_iversion(inode);
inode_inc_iversion(dir);
inode->i_ctime = dir->i_mtime =
dir->i_ctime = current_time(inode);
ret = btrfs_update_inode(trans, root, dir);
btrfs_i_size_write(&dir->vfs_inode,
dir->vfs_inode.i_size - name_len * 2);
inode_inc_iversion(&inode->vfs_inode);
inode_inc_iversion(&dir->vfs_inode);
inode->vfs_inode.i_ctime = dir->vfs_inode.i_mtime =
dir->vfs_inode.i_ctime = current_time(&inode->vfs_inode);
ret = btrfs_update_inode(trans, root, &dir->vfs_inode);
out:
return ret;
}
int btrfs_unlink_inode(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct inode *dir, struct inode *inode,
struct btrfs_inode *dir, struct btrfs_inode *inode,
const char *name, int name_len)
{
int ret;
ret = __btrfs_unlink_inode(trans, root, dir, inode, name, name_len);
if (!ret) {
drop_nlink(inode);
ret = btrfs_update_inode(trans, root, inode);
drop_nlink(&inode->vfs_inode);
ret = btrfs_update_inode(trans, root, &inode->vfs_inode);
}
return ret;
}
@ -4127,10 +4129,12 @@ static int btrfs_unlink(struct inode *dir, struct dentry *dentry)
if (IS_ERR(trans))
return PTR_ERR(trans);
btrfs_record_unlink_dir(trans, BTRFS_I(dir), BTRFS_I(d_inode(dentry)), 0);
btrfs_record_unlink_dir(trans, BTRFS_I(dir), BTRFS_I(d_inode(dentry)),
0);
ret = btrfs_unlink_inode(trans, root, dir, d_inode(dentry),
dentry->d_name.name, dentry->d_name.len);
ret = btrfs_unlink_inode(trans, root, BTRFS_I(dir),
BTRFS_I(d_inode(dentry)), dentry->d_name.name,
dentry->d_name.len);
if (ret)
goto out;
@ -4259,8 +4263,9 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
last_unlink_trans = BTRFS_I(inode)->last_unlink_trans;
/* now the directory is empty */
err = btrfs_unlink_inode(trans, root, dir, d_inode(dentry),
dentry->d_name.name, dentry->d_name.len);
err = btrfs_unlink_inode(trans, root, BTRFS_I(dir),
BTRFS_I(d_inode(dentry)), dentry->d_name.name,
dentry->d_name.len);
if (!err) {
btrfs_i_size_write(inode, 0);
/*
@ -9599,8 +9604,8 @@ static int btrfs_rename_exchange(struct inode *old_dir,
old_dentry->d_name.name,
old_dentry->d_name.len);
} else { /* src is an inode */
ret = __btrfs_unlink_inode(trans, root, old_dir,
old_dentry->d_inode,
ret = __btrfs_unlink_inode(trans, root, BTRFS_I(old_dir),
BTRFS_I(old_dentry->d_inode),
old_dentry->d_name.name,
old_dentry->d_name.len);
if (!ret)
@ -9619,8 +9624,8 @@ static int btrfs_rename_exchange(struct inode *old_dir,
new_dentry->d_name.name,
new_dentry->d_name.len);
} else { /* dest is an inode */
ret = __btrfs_unlink_inode(trans, dest, new_dir,
new_dentry->d_inode,
ret = __btrfs_unlink_inode(trans, dest, BTRFS_I(new_dir),
BTRFS_I(new_dentry->d_inode),
new_dentry->d_name.name,
new_dentry->d_name.len);
if (!ret)
@ -9875,8 +9880,8 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
old_dentry->d_name.name,
old_dentry->d_name.len);
} else {
ret = __btrfs_unlink_inode(trans, root, old_dir,
d_inode(old_dentry),
ret = __btrfs_unlink_inode(trans, root, BTRFS_I(old_dir),
BTRFS_I(d_inode(old_dentry)),
old_dentry->d_name.name,
old_dentry->d_name.len);
if (!ret)
@ -9899,8 +9904,8 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
new_dentry->d_name.len);
BUG_ON(new_inode->i_nlink == 0);
} else {
ret = btrfs_unlink_inode(trans, dest, new_dir,
d_inode(new_dentry),
ret = btrfs_unlink_inode(trans, dest, BTRFS_I(new_dir),
BTRFS_I(d_inode(new_dentry)),
new_dentry->d_name.name,
new_dentry->d_name.len);
}

21
fs/btrfs/tree-log.c
View File

@ -875,7 +875,8 @@ static noinline int drop_one_dir_item(struct btrfs_trans_handle *trans,
if (ret)
goto out;
ret = btrfs_unlink_inode(trans, root, dir, inode, name, name_len);
ret = btrfs_unlink_inode(trans, root, BTRFS_I(dir), BTRFS_I(inode),
name, name_len);
if (ret)
goto out;
else
@ -1050,9 +1051,9 @@ again:
inc_nlink(inode);
btrfs_release_path(path);
ret = btrfs_unlink_inode(trans, root, dir,
inode, victim_name,
victim_name_len);
ret = btrfs_unlink_inode(trans, root,
BTRFS_I(dir), BTRFS_I(inode),
victim_name, victim_name_len);
kfree(victim_name);
if (ret)
return ret;
@ -1121,10 +1122,10 @@ again:
btrfs_release_path(path);
ret = btrfs_unlink_inode(trans, root,
victim_parent,
inode,
victim_name,
victim_name_len);
BTRFS_I(victim_parent),
BTRFS_I(inode),
victim_name,
victim_name_len);
if (!ret)
ret = btrfs_run_delayed_items(
trans,
@ -2052,8 +2053,8 @@ again:
}
inc_nlink(inode);
ret = btrfs_unlink_inode(trans, root, dir, inode,
name, name_len);
ret = btrfs_unlink_inode(trans, root, BTRFS_I(dir),
BTRFS_I(inode), name, name_len);
if (!ret)
ret = btrfs_run_delayed_items(trans, fs_info);
kfree(name);