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| author | Miklos Szeredi <mszeredi@redhat.com> | 2023-10-25 16:02:01 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2023-11-18 14:56:16 +0100 |
| commit | 56c94c626785001dbb683312725b7d87c6ec6a91 (patch) | |
| tree | faefe8f7ce06290bf63a5a72928062601a34b439 /fs/namespace.c | |
| parent | mounts: keep list of mounts in an rbtree (diff) | |
| download | linux-56c94c626785001dbb683312725b7d87c6ec6a91.tar.xz linux-56c94c626785001dbb683312725b7d87c6ec6a91.zip | |
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.c | 9 |
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; |