The patch titled
Subject: vfs: constify path parameter of path_has_submounts()
has been added to the -mm tree. Its filename is
vfs-constify-path-parameter-of-path_has_submounts.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/vfs-constify-path-parameter-of-path_has_submounts.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/vfs-constify-path-parameter-of-path_has_submounts.patch
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From: Ian Kent <ikent@xxxxxxxxxx>
Subject: vfs: constify path parameter of path_has_submounts()
path_has_submounts() doesn't modify the passed in path parameter,
and shouldn't need to, make that usage explicit.
Link: http://lkml.kernel.org/r/148029912941.27779.3775940087450770440.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 | 2 +-
include/linux/dcache.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff -puN fs/dcache.c~vfs-constify-path-parameter-of-path_has_submounts fs/dcache.c
--- a/fs/dcache.c~vfs-constify-path-parameter-of-path_has_submounts
+++ a/fs/dcache.c
@@ -1298,7 +1298,7 @@ static enum d_walk_ret path_check_mount(
* Return true if the parent or its subdirectories contain
* a mount point in the current namespace.
*/
-int path_has_submounts(struct path *parent)
+int path_has_submounts(const struct path *parent)
{
struct check_mount data = { .mnt = parent->mnt, .mounted = 0 };
diff -puN include/linux/dcache.h~vfs-constify-path-parameter-of-path_has_submounts include/linux/dcache.h
--- a/include/linux/dcache.h~vfs-constify-path-parameter-of-path_has_submounts
+++ a/include/linux/dcache.h
@@ -254,7 +254,7 @@ 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 path_has_submounts(struct path *);
+extern int path_has_submounts(const struct path *);
/*
* This adds the entry to the hash queues.
_
Patches currently in -mm which might be from ikent@xxxxxxxxxx are
vfs-change-d_manage-to-take-a-struct-path.patch
vfs-add-path_is_mountpoint-helper.patch
vfs-add-path_has_submounts.patch
autofs-change-autofs4_expire_wait-to-take-struct-path.patch
autofs-change-autofs4_wait-to-take-struct-path.patch
autofs-use-path_is_mountpoint-to-fix-unreliable-d_mountpoint-checks.patch
autofs-use-path_has_submounts-to-fix-unreliable-have_submount-checks.patch
vfs-remove-unused-have_submounts-function.patch
vfs-merge-path_is_mountpoint-and-path_is_mountpoint_rcu.patch
autofs-make-struct-path-const-in-autofs4_dir_open.patch
autofs-change-struct-path-to-const-in-autofs4_expire_wait-and-autofs4_wait.patch
vfs-change-struct-path-to-const-in-d_manage.patch
vfs-constify-path-parameter-of-path_has_submounts.patch
autofs-dont-hold-spin-lock-over-direct-mount-expire.patch
vfs-make-may_umount_tree-mount-propogation-aware.patch
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