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configfs: calculate the symlink target only once

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Al Viro
2019-09-11 09:00:01 +02:00
committed by Christoph Hellwig
parent 2743c515a1
commit e9c03af21c
4 changed files with 75 additions and 173 deletions
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9
fs/configfs/mount.c
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@@ -28,9 +28,18 @@ static struct vfsmount *configfs_mount = NULL;
struct kmem_cache *configfs_dir_cachep;
static int configfs_mnt_count = 0;
static void configfs_free_inode(struct inode *inode)
{
if (S_ISLNK(inode->i_mode))
kfree(inode->i_link);
free_inode_nonrcu(inode);
}
static const struct super_operations configfs_ops = {
.statfs = simple_statfs,
.drop_inode = generic_delete_inode,
.free_inode = configfs_free_inode,
};
static struct config_group configfs_root_group = {