...for now, all of the callers pass in "false". Eventually, we'll set
that to "true" when we retry the lookup after getting back an ESTALE on
a call.
While we're at it, change the is_dir arg to a bool since that's how it's
used currently.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
drivers/base/devtmpfs.c | 7 ++++---
fs/namei.c | 12 +++++++++---
include/linux/namei.h | 2 +-
net/unix/af_unix.c | 2 +-
4 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index deb4a45..2124437 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -148,7 +148,7 @@ static int dev_mkdir(const char *name, umode_t mode)
struct path path;
int err;
- dentry = kern_path_create(AT_FDCWD, name, &path, 1);
+ dentry = kern_path_create(AT_FDCWD, name, &path, true, false);
if (IS_ERR(dentry))
return PTR_ERR(dentry);
@@ -193,10 +193,11 @@ static int handle_create(const char *nodename, umode_t mode, struct device *dev)
struct path path;
int err;
- dentry = kern_path_create(AT_FDCWD, nodename, &path, 0);
+ dentry = kern_path_create(AT_FDCWD, nodename, &path, false, false);
if (dentry == ERR_PTR(-ENOENT)) {
create_path(nodename);
- dentry = kern_path_create(AT_FDCWD, nodename, &path, 0);
+ dentry = kern_path_create(AT_FDCWD, nodename, &path,
+ false, false);
}
if (IS_ERR(dentry))
return PTR_ERR(dentry);
diff --git a/fs/namei.c b/fs/namei.c
index f0463bc..f04ba14 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2972,12 +2972,18 @@ struct file *do_file_open_root(struct dentry *dentry, struct vfsmount *mnt,
return file;
}
-struct dentry *kern_path_create(int dfd, const char *pathname, struct path *path, int is_dir)
+struct dentry *kern_path_create(int dfd, const char *pathname, struct path *path, bool is_dir, bool reval)
{
struct dentry *dentry = ERR_PTR(-EEXIST);
struct nameidata nd;
int err2;
- int error = do_path_lookup(dfd, pathname, LOOKUP_PARENT, &nd);
+ int error;
+ unsigned int lookup_flags = LOOKUP_PARENT;
+
+ if (reval)
+ lookup_flags |= LOOKUP_REVAL;
+
+ error = do_path_lookup(dfd, pathname, lookup_flags, &nd);
if (error)
return ERR_PTR(error);
@@ -3047,7 +3053,7 @@ struct dentry *user_path_create(int dfd, const char __user *pathname, struct pat
struct dentry *res;
if (IS_ERR(tmp))
return ERR_CAST(tmp);
- res = kern_path_create(dfd, tmp, path, is_dir);
+ res = kern_path_create(dfd, tmp, path, (bool)is_dir, false);
putname(tmp);
return res;
}
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 491fb48..24c4962 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -65,7 +65,7 @@ extern int user_path_at(int, const char __user *, unsigned, struct path *);
extern int kern_path(const char *, unsigned, struct path *);
-extern struct dentry *kern_path_create(int, const char *, struct path *, int);
+extern struct dentry *kern_path_create(int, const char *, struct path *, bool, bool);
extern struct dentry *user_path_create(int, const char __user *, struct path *, int);
extern void done_path_create(struct path *, struct dentry *);
extern struct dentry *kern_path_locked(const char *, struct path *);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index e4768c1..3f61f4c 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -832,7 +832,7 @@ static int unix_mknod(const char *sun_path, umode_t mode, struct path *res)
* Get the parent directory, calculate the hash for last
* component.
*/
- dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
+ dentry = kern_path_create(AT_FDCWD, sun_path, &path, false, false);
err = PTR_ERR(dentry);
if (IS_ERR(dentry))
return err;
--
1.7.11.2
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