[RFC][PATCH 17/42] switch all remaining checks for FILE_OPENED to FMODE_OPENED

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From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

... and don't bother with setting FILE_OPENED at all.

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
 fs/gfs2/inode.c | 2 +-
 fs/namei.c      | 7 ++-----
 fs/open.c       | 9 ++-------
 3 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index feda55f67050..67c588edf8d8 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -1250,7 +1250,7 @@ static int gfs2_atomic_open(struct inode *dir, struct dentry *dentry,
 	if (d != NULL)
 		dentry = d;
 	if (d_really_is_positive(dentry)) {
-		if (!(*opened & FILE_OPENED))
+		if (!(file->f_mode & FMODE_OPENED))
 			return finish_no_open(file, d);
 		dput(d);
 		return 0;
diff --git a/fs/namei.c b/fs/namei.c
index 39b5da70d6f5..ad8d53c3243c 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3395,11 +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);
 	if (error)
 		goto out;
-	*opened |= FILE_OPENED;
 opened:
 	error = ima_file_check(file, op->acc_mode, *opened);
 	if (!error && will_truncate)
@@ -3517,8 +3516,6 @@ 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;
 	}
 
@@ -3539,7 +3536,7 @@ 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;
diff --git a/fs/open.c b/fs/open.c
index 2aa3dc03e2fd..1f379656feab 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -849,15 +849,10 @@ int finish_open(struct file *file, struct dentry *dentry,
 		int (*open)(struct inode *, struct file *),
 		int *opened)
 {
-	int error;
-	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 */
 
 	file->f_path.dentry = dentry;
-	error = do_dentry_open(file, d_backing_inode(dentry), open);
-	if (!error)
-		*opened |= FILE_OPENED;
-
-	return error;
+	return do_dentry_open(file, d_backing_inode(dentry), open);
 }
 EXPORT_SYMBOL(finish_open);
 
-- 
2.11.0




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