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btrfs: Remove async_transid from btrfs_mksubvol/create_subvol/create_snapshot

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With BTRFS_SUBVOL_CREATE_ASYNC support remove it's no longer required to
pass the async_transid parameter so remove it and any code using it.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2020-03-13 17:23:20 +02:00 committed by David Sterba
parent 5d54c67ecc
commit 9babda9f33
1 changed files with 10 additions and 27 deletions
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37
fs/btrfs/ioctl.c
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@ -551,7 +551,6 @@ int __pure btrfs_is_empty_uuid(u8 *uuid)
static noinline int create_subvol(struct inode *dir,
struct dentry *dentry,
const char *name, int namelen,
u64 *async_transid,
struct btrfs_qgroup_inherit *inherit)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
@ -723,14 +722,7 @@ static noinline int create_subvol(struct inode *dir,
trans->bytes_reserved = 0;
btrfs_subvolume_release_metadata(fs_info, &block_rsv);
if (async_transid) {
*async_transid = trans->transid;
err = btrfs_commit_transaction_async(trans, 1);
if (err)
err = btrfs_commit_transaction(trans);
} else {
err = btrfs_commit_transaction(trans);
}
err = btrfs_commit_transaction(trans);
if (err && !ret)
ret = err;
@ -748,8 +740,7 @@ static noinline int create_subvol(struct inode *dir,
}
static int create_snapshot(struct btrfs_root *root, struct inode *dir,
struct dentry *dentry,
u64 *async_transid, bool readonly,
struct dentry *dentry, bool readonly,
struct btrfs_qgroup_inherit *inherit)
{
struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
@ -833,14 +824,8 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
list_add(&pending_snapshot->list,
&trans->transaction->pending_snapshots);
spin_unlock(&fs_info->trans_lock);
if (async_transid) {
*async_transid = trans->transid;
ret = btrfs_commit_transaction_async(trans, 1);
if (ret)
ret = btrfs_commit_transaction(trans);
} else {
ret = btrfs_commit_transaction(trans);
}
ret = btrfs_commit_transaction(trans);
if (ret)
goto fail;
@ -946,7 +931,7 @@ static inline int btrfs_may_create(struct inode *dir, struct dentry *child)
static noinline int btrfs_mksubvol(const struct path *parent,
const char *name, int namelen,
struct btrfs_root *snap_src,
u64 *async_transid, bool readonly,
bool readonly,
struct btrfs_qgroup_inherit *inherit)
{
struct inode *dir = d_inode(parent->dentry);
@ -982,13 +967,11 @@ static noinline int btrfs_mksubvol(const struct path *parent,
if (btrfs_root_refs(&BTRFS_I(dir)->root->root_item) == 0)
goto out_up_read;
if (snap_src) {
error = create_snapshot(snap_src, dir, dentry,
async_transid, readonly, inherit);
} else {
error = create_subvol(dir, dentry, name, namelen,
async_transid, inherit);
}
if (snap_src)
error = create_snapshot(snap_src, dir, dentry, readonly, inherit);
else
error = create_subvol(dir, dentry, name, namelen, inherit);
if (!error)
fsnotify_mkdir(dir, dentry);
out_up_read: