The patch titled
Subject: autofs: make struct path const in autofs4_dir_open()
has been added to the -mm tree. Its filename is
autofs-make-struct-path-const-in-autofs4_dir_open.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/autofs-make-struct-path-const-in-autofs4_dir_open.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/autofs-make-struct-path-const-in-autofs4_dir_open.patch
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------------------------------------------------------
From: Ian Kent <ikent@xxxxxxxxxx>
Subject: autofs: make struct path const in autofs4_dir_open()
There's no reason to copy the file->f_path in autofs4_dir_open() and
f_path is not modified so change it to a "const struct path *".
Link: http://lkml.kernel.org/r/148029911386.27779.14131036159082881283.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/autofs4/root.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN fs/autofs4/root.c~autofs-make-struct-path-const-in-autofs4_dir_open fs/autofs4/root.c
--- a/fs/autofs4/root.c~autofs-make-struct-path-const-in-autofs4_dir_open
+++ a/fs/autofs4/root.c
@@ -107,14 +107,14 @@ static int autofs4_dir_open(struct inode
{
struct dentry *dentry = file->f_path.dentry;
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
- struct path path;
+ const struct path *path;
pr_debug("file=%p dentry=%p %pd\n", file, dentry, dentry);
if (autofs4_oz_mode(sbi))
goto out;
- path = file->f_path;
+ path = &file->f_path;
/*
* An empty directory in an autofs file system is always a
@@ -126,7 +126,7 @@ static int autofs4_dir_open(struct inode
* it.
*/
spin_lock(&sbi->lookup_lock);
- if (!path_is_mountpoint(&path) && simple_empty(dentry)) {
+ if (!path_is_mountpoint(path) && simple_empty(dentry)) {
spin_unlock(&sbi->lookup_lock);
return -ENOENT;
}
_
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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