From: Al Viro <viro@ZenIV.linux.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [RFC][PATCH 08/27] switch all remaining checks for FILE_OPENED to FMODE_OPENED
Date: Mon, 9 Jul 2018 05:53:58 +0100 [thread overview]
Message-ID: <20180709045417.13988-8-viro@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20180709045417.13988-1-viro@ZenIV.linux.org.uk>
From: Al Viro <viro@zeniv.linux.org.uk>
... and don't bother with setting FILE_OPENED at all.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/namei.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 36c2fa804e26..b324f59f8209 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3061,8 +3061,6 @@ static int atomic_open(struct nameidata *nd, struct dentry *dentry,
* permission here.
*/
int acc_mode = op->acc_mode;
- if (file->f_mode & FMODE_OPENED)
- *opened |= FILE_OPENED;
if (*opened & FILE_CREATED) {
WARN_ON(!(open_flag & O_CREAT));
fsnotify_create(dir, dentry);
@@ -3397,11 +3395,10 @@ static int do_last(struct nameidata *nd,
error = may_open(&nd->path, acc_mode, open_flag);
if (error)
goto out;
- BUG_ON(*opened & FILE_OPENED); /* once it's opened, it's opened */
+ BUG_ON(file->f_mode & FMODE_OPENED); /* once it's opened, it's opened */
error = vfs_open(&nd->path, file, current_cred());
if (error)
goto out;
- *opened |= FILE_OPENED;
opened:
error = open_check_o_direct(file);
if (!error)
@@ -3483,8 +3480,6 @@ static int do_tmpfile(struct nameidata *nd, unsigned flags,
error = finish_open(file, child, NULL);
if (error)
goto out2;
- if (file->f_mode & FMODE_OPENED)
- *opened |= FILE_OPENED;
error = open_check_o_direct(file);
out2:
mnt_drop_write(path.mnt);
@@ -3526,8 +3521,6 @@ static struct file *path_openat(struct nameidata *nd,
if (unlikely(file->f_flags & O_PATH)) {
error = do_o_path(nd, flags, file);
- if (!error)
- opened |= FILE_OPENED;
goto out2;
}
@@ -3548,12 +3541,12 @@ static struct file *path_openat(struct nameidata *nd,
terminate_walk(nd);
out2:
if (likely(!error)) {
- if (likely(opened & FILE_OPENED))
+ if (likely(file->f_mode & FMODE_OPENED))
return file;
WARN_ON(1);
error = -EINVAL;
}
- if (opened & FILE_OPENED)
+ if (file->f_mode & FMODE_OPENED)
fput(file);
else
put_filp(file);
--
2.11.0
next prev parent reply other threads:[~2018-07-09 4:59 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-09 4:53 [RFC][PATCHES] open()-related cleanups Al Viro
2018-07-09 4:53 ` [RFC][PATCH 01/27] drm_mode_create_lease_ioctl(): fix open-coded filp_clone_open() Al Viro
2018-07-09 4:53 ` [RFC][PATCH 02/27] cxl_getfile(): fix double-iput() on alloc_file() failures Al Viro
2018-07-09 4:53 ` [RFC][PATCH 03/27] ocxlflash_getfile(): " Al Viro
2018-07-09 4:53 ` [RFC][PATCH 04/27] make sure do_dentry_open() won't return positive as an error Al Viro
2018-07-09 4:53 ` [RFC][PATCH 05/27] introduce FMODE_OPENED Al Viro
2018-07-09 4:53 ` [RFC][PATCH 06/27] get rid of 'opened' argument of finish_open() Al Viro
2018-07-09 4:53 ` [RFC][PATCH 07/27] lift fput() on late failures into path_openat() Al Viro
2018-07-09 4:53 ` Al Viro [this message]
2018-07-09 4:53 ` [RFC][PATCH 09/27] now we can fold open_check_o_direct() into do_dentry_open() Al Viro
2018-07-09 4:54 ` [RFC][PATCH 10/27] introduce FMODE_CREATED and switch to it Al Viro
2018-07-09 4:54 ` [RFC][PATCH 11/27] IMA: don't propagate opened through the entire thing Al Viro
2018-07-09 4:54 ` [RFC][PATCH 12/27] Preparation to killing ->atomic_open() 'opened' argument Al Viro
2018-07-09 4:54 ` [RFC][PATCH 13/27] get rid of 'opened' argument of ->atomic_open() Al Viro
2018-07-09 4:54 ` [RFC][PATCH 14/27] get rid of 'opened' in path_openat() and the helpers downstream Al Viro
2018-07-09 4:54 ` [RFC][PATCH 15/27] kill FILE_{CREATED,OPENED} Al Viro
2018-07-09 4:54 ` [RFC][PATCH 16/27] new wrapper: alloc_file_pseudo() Al Viro
2018-07-09 4:54 ` [RFC][PATCH 17/27] __shmem_file_setup(): reorder allocations Al Viro
2018-07-09 4:54 ` [RFC][PATCH 18/27] ... and switch shmem_file_setup() to alloc_file_pseudo() Al Viro
2018-07-09 4:54 ` [RFC][PATCH 19/27] cxl_getfile(): switch " Al Viro
2018-07-09 4:54 ` [RFC][PATCH 20/27] ocxlflash_getfile(): " Al Viro
2018-07-09 4:54 ` [RFC][PATCH 21/27] hugetlb_file_setup(): " Al Viro
2018-07-09 4:54 ` [RFC][PATCH 22/27] anon_inode_getfile(): " Al Viro
2018-07-09 4:54 ` [RFC][PATCH 23/27] create_pipe_files(): switch the first allocation " Al Viro
2018-07-09 4:54 ` [RFC][PATCH 24/27] new helper: alloc_file_clone() Al Viro
2018-07-09 4:54 ` [RFC][PATCH 25/27] do_shmat(): grab shp->shm_file earlier, switch to alloc_file_clone() Al Viro
2018-07-09 4:54 ` [RFC][PATCH 26/27] make alloc_file() static Al Viro
2018-07-09 4:54 ` [RFC][PATCH 27/27] turn filp_clone_open() into inline wrapper for dentry_open() Al Viro
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