From: Ian Kent <ikent@xxxxxxxxxx>
path_has_submounts() doesn't modify the passed in path parameter,
and shouldn't need to, make that usage explicit.
Signed-off-by: Ian Kent <raven@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Omar Sandoval <osandov@xxxxxxxxxxx>
---
fs/dcache.c | 2 +-
include/linux/dcache.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/dcache.c b/fs/dcache.c
index 719d8b4..29bc910 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1298,7 +1298,7 @@ static enum d_walk_ret path_check_mount(void *data, struct dentry *dentry)
* 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 --git a/include/linux/dcache.h b/include/linux/dcache.h
index f835bd4..c965e44 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -254,7 +254,7 @@ extern struct dentry *d_find_alias(struct inode *);
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.
--
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