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authorIan Kent <ikent@redhat.com>2016-11-24 08:03:42 +1100
committerAl Viro <viro@zeniv.linux.org.uk>2016-12-03 20:51:49 -0500
commitf74e7b33c37e5a7bae33bb73858c2766cb256626 (patch)
treecaceefe9587053c9dec2bb3ca634c1f0d23b2e02 /fs/dcache.c
parent60359741473438f66fef7297d1fa2435640dbe79 (diff)
vfs: remove unused have_submounts() function
Now that path_has_submounts() has been added have_submounts() is no longer used so remove it. Link: http://lkml.kernel.org/r/20161011053428.27645.12310.stgit@pluto.themaw.net Signed-off-by: Ian Kent <raven@themaw.net> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Omar Sandoval <osandov@osandov.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c33
1 files changed, 0 insertions, 33 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 8515875854b6..252378359a8f 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1273,39 +1273,6 @@ rename_retry:
goto again;
}
-/*
- * Search for at least 1 mount point in the dentry's subdirs.
- * We descend to the next level whenever the d_subdirs
- * list is non-empty and continue searching.
- */
-
-static enum d_walk_ret check_mount(void *data, struct dentry *dentry)
-{
- int *ret = data;
- if (d_mountpoint(dentry)) {
- *ret = 1;
- return D_WALK_QUIT;
- }
- return D_WALK_CONTINUE;
-}
-
-/**
- * have_submounts - check for mounts over a dentry
- * @parent: dentry to check.
- *
- * Return true if the parent or its subdirectories contain
- * a mount point
- */
-int have_submounts(struct dentry *parent)
-{
- int ret = 0;
-
- d_walk(parent, &ret, check_mount, NULL);
-
- return ret;
-}
-EXPORT_SYMBOL(have_submounts);
-
struct check_mount {
struct vfsmount *mnt;
unsigned int mounted;