The patch titled
Subject: fs: remove unused have_submounts() function
has been added to the -mm tree. Its filename is
fs-remove-unused-have_submounts-function.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-remove-unused-have_submounts-function.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-remove-unused-have_submounts-function.patch
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------------------------------------------------------
From: Ian Kent <raven@xxxxxxxxxx>
Subject: fs: remove unused have_submounts() function
Having added the have_local_submounts() function there are no remaining
users of have_submounts() so remove it.
Link: http://lkml.kernel.org/r/20160914061450.24714.99912.stgit@xxxxxxxxxxxxxxxx
Signed-off-by: Ian Kent <raven@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Omar Sandoval <osandov@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/dcache.c | 33 ---------------------------------
include/linux/dcache.h | 1 -
2 files changed, 34 deletions(-)
diff -puN fs/dcache.c~fs-remove-unused-have_submounts-function fs/dcache.c
--- a/fs/dcache.c~fs-remove-unused-have_submounts-function
+++ a/fs/dcache.c
@@ -1279,39 +1279,6 @@ rename_retry:
* 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);
-
-/*
- * 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_local_mount(void *data, struct dentry *dentry)
{
int *ret = data;
diff -puN include/linux/dcache.h~fs-remove-unused-have_submounts-function include/linux/dcache.h
--- a/include/linux/dcache.h~fs-remove-unused-have_submounts-function
+++ a/include/linux/dcache.h
@@ -254,7 +254,6 @@ extern struct dentry *d_find_alias(struc
extern void d_prune_aliases(struct inode *);
/* test whether we have any submounts in a subdir tree */
-extern int have_submounts(struct dentry *);
extern int have_local_submounts(struct dentry *);
/*
_
Patches currently in -mm which might be from raven@xxxxxxxxxx are
autofs-use-dentry-flags-to-block-walks-during-expire.patch
autofs-fix-autofs4_fill_super-error-exit-handling.patch
autofs-remove-ino-free-in-autofs4_dir_symlink.patch
autofs-fix-dev-ioctl-number-range-check.patch
autofs-add-autofs_dev_ioctl_version-for-autofs_dev_ioctl_version_cmd.patch
autofs4-move-linux-auto_dev-ioctlh-to-uapi-linux.patch
fs-make-is_local_mountpoint-usable-by-others.patch
fs-add-have_local_submounts.patch
autofs-make-mountpoint-checks-namespace-aware.patch
fs-remove-unused-have_submounts-function.patch
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