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Message-Id: <20180709045417.13988-14-viro@ZenIV.linux.org.uk>
Date: Mon, 9 Jul 2018 05:54:04 +0100
From: Al Viro <viro@...IV.linux.org.uk>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFC][PATCH 14/27] get rid of 'opened' in path_openat() and the helpers downstream
From: Al Viro <viro@...iv.linux.org.uk>
unused now
Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
fs/namei.c | 22 ++++++++--------------
1 file changed, 8 insertions(+), 14 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 7270cac785b0..5d7aa567c958 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3036,8 +3036,7 @@ static int may_o_create(const struct path *dir, struct dentry *dentry, umode_t m
static int atomic_open(struct nameidata *nd, struct dentry *dentry,
struct path *path, struct file *file,
const struct open_flags *op,
- int open_flag, umode_t mode,
- int *opened)
+ int open_flag, umode_t mode)
{
struct dentry *const DENTRY_NOT_SET = (void *) -1UL;
struct inode *dir = nd->path.dentry->d_inode;
@@ -3105,14 +3104,11 @@ static int atomic_open(struct nameidata *nd, struct dentry *dentry,
* specified then a negative dentry may be returned.
*
* An error code is returned otherwise.
- *
- * FILE_CREATE will be set in @*opened if the dentry was created and will be
- * cleared otherwise prior to returning.
*/
static int lookup_open(struct nameidata *nd, struct path *path,
struct file *file,
const struct open_flags *op,
- bool got_write, int *opened)
+ bool got_write)
{
struct dentry *dir = nd->path.dentry;
struct inode *dir_inode = dir->d_inode;
@@ -3187,7 +3183,7 @@ static int lookup_open(struct nameidata *nd, struct path *path,
if (dir_inode->i_op->atomic_open) {
error = atomic_open(nd, dentry, path, file, op, open_flag,
- mode, opened);
+ mode);
if (unlikely(error == -ENOENT) && create_error)
error = create_error;
return error;
@@ -3240,8 +3236,7 @@ static int lookup_open(struct nameidata *nd, struct path *path,
* Handle the last step of open()
*/
static int do_last(struct nameidata *nd,
- struct file *file, const struct open_flags *op,
- int *opened)
+ struct file *file, const struct open_flags *op)
{
struct dentry *dir = nd->path.dentry;
int open_flag = op->open_flag;
@@ -3307,7 +3302,7 @@ static int do_last(struct nameidata *nd,
inode_lock(dir->d_inode);
else
inode_lock_shared(dir->d_inode);
- error = lookup_open(nd, &path, file, op, got_write, opened);
+ error = lookup_open(nd, &path, file, op, got_write);
if (open_flag & O_CREAT)
inode_unlock(dir->d_inode);
else
@@ -3452,7 +3447,7 @@ EXPORT_SYMBOL(vfs_tmpfile);
static int do_tmpfile(struct nameidata *nd, unsigned flags,
const struct open_flags *op,
- struct file *file, int *opened)
+ struct file *file)
{
struct dentry *child;
struct path path;
@@ -3499,7 +3494,6 @@ static struct file *path_openat(struct nameidata *nd,
{
const char *s;
struct file *file;
- int opened = 0;
int error;
file = get_empty_filp();
@@ -3509,7 +3503,7 @@ static struct file *path_openat(struct nameidata *nd,
file->f_flags = op->open_flag;
if (unlikely(file->f_flags & __O_TMPFILE)) {
- error = do_tmpfile(nd, flags, op, file, &opened);
+ error = do_tmpfile(nd, flags, op, file);
goto out2;
}
@@ -3524,7 +3518,7 @@ static struct file *path_openat(struct nameidata *nd,
return ERR_CAST(s);
}
while (!(error = link_path_walk(s, nd)) &&
- (error = do_last(nd, file, op, &opened)) > 0) {
+ (error = do_last(nd, file, op)) > 0) {
nd->flags &= ~(LOOKUP_OPEN|LOOKUP_CREATE|LOOKUP_EXCL);
s = trailing_symlink(nd);
if (IS_ERR(s)) {
--
2.11.0
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