Commit 4022abf4 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: delete unused function: btrfs_invalidate_dcache_root



Snapshot and subvolume creation no longer need this helper.
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 607d432d
......@@ -4358,31 +4358,6 @@ out:
btrfs_btree_balance_dirty(root, nr);
}
/*
* Invalidate a single dcache entry at the root of the filesystem.
* Needed after creation of snapshot or subvolume.
*/
static void btrfs_invalidate_dcache_root(struct inode *dir,
char *name, int namelen)
{
struct dentry *alias, *entry;
struct qstr qstr;
alias = d_find_alias(dir);
if (alias) {
qstr.name = name;
qstr.len = namelen;
/* change me if btrfs ever gets a d_hash operation */
qstr.hash = full_name_hash(qstr.name, qstr.len);
entry = d_lookup(alias, &qstr);
dput(alias);
if (entry) {
d_invalidate(entry);
dput(entry);
}
}
}
/*
* create a new subvolume directory/inode (helper for the ioctl).
*/
......
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