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authorMiklos Szeredi <mszeredi@redhat.com>2023-10-25 16:02:01 +0200
committerChristian Brauner <brauner@kernel.org>2023-11-18 14:56:16 +0100
commit56c94c626785001dbb683312725b7d87c6ec6a91 (patch)
treefaefe8f7ce06290bf63a5a72928062601a34b439 /fs/namespace.c
parent2eea9ce4310d8c0f8ef1dbe7b0e7d9219ff02b97 (diff)
namespace: extract show_path() helper
To be used by the statmount(2) syscall as well. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Link: https://lore.kernel.org/r/20231025140205.3586473-4-mszeredi@redhat.com Reviewed-by: Ian Kent <raven@themaw.net> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/namespace.c')
-rw-r--r--fs/namespace.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index bbe94096e262..d3665d025acb 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -4674,6 +4674,15 @@ SYSCALL_DEFINE5(mount_setattr, int, dfd, const char __user *, path,
return err;
}
+int show_path(struct seq_file *m, struct dentry *root)
+{
+ if (root->d_sb->s_op->show_path)
+ return root->d_sb->s_op->show_path(m, root);
+
+ seq_dentry(m, root, " \t\n\\");
+ return 0;
+}
+
static void __init init_mount_tree(void)
{
struct vfsmount *mnt;