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authorIan Kent <ikent@redhat.com>2016-11-23 22:03:41 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2016-12-03 04:15:53 +0100
commitfb5f51c7425ebc808d91329257cbc963e2421368 (patch)
tree668ce525a98e945beeb49145d30c37c41706450f /fs/autofs4
parentLinux 4.9-rc7 (diff)
downloadlinux-fb5f51c7425ebc808d91329257cbc963e2421368.tar.xz
linux-fb5f51c7425ebc808d91329257cbc963e2421368.zip
vfs: change d_manage() to take a struct path
For the autofs module to be able to reliably check if a dentry is a mountpoint in a multiple namespace environment the ->d_manage() dentry operation will need to take a path argument instead of a dentry. Link: http://lkml.kernel.org/r/20161011053352.27645.83962.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/autofs4')
-rw-r--r--fs/autofs4/root.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index a11f73174877..3a4328218b71 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -32,7 +32,7 @@ static int autofs4_dir_open(struct inode *inode, struct file *file);
static struct dentry *autofs4_lookup(struct inode *,
struct dentry *, unsigned int);
static struct vfsmount *autofs4_d_automount(struct path *);
-static int autofs4_d_manage(struct dentry *, bool);
+static int autofs4_d_manage(const struct path *, bool);
static void autofs4_dentry_release(struct dentry *);
const struct file_operations autofs4_root_operations = {
@@ -421,8 +421,9 @@ done:
return NULL;
}
-static int autofs4_d_manage(struct dentry *dentry, bool rcu_walk)
+static int autofs4_d_manage(const struct path *path, bool rcu_walk)
{
+ struct dentry *dentry = path->dentry;
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
int status;