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authorMiklos Szeredi <mszeredi@suse.cz>2014-10-24 00:14:35 +0200
committerMiklos Szeredi <mszeredi@suse.cz>2014-10-24 00:14:35 +0200
commit4aa7c6346be395bdf776f82bbb2e3e2bc60bdd2b (patch)
treea2135754a04370e7fcf7b867b0f4fbeaa58b3521 /fs/namei.c
parentf114040e3ea6e07372334ade75d1ee0775c355e1 (diff)
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vfs: add i_op->dentry_open()
Add a new inode operation i_op->dentry_open(). This is for stacked filesystems that want to return a struct file from a different filesystem. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 43927d14db67..75306b3c9526 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3064,9 +3064,12 @@ finish_open_created:
error = may_open(&nd->path, acc_mode, open_flag);
if (error)
goto out;
- file->f_path.mnt = nd->path.mnt;
- error = finish_open(file, nd->path.dentry, NULL, opened);
- if (error) {
+
+ BUG_ON(*opened & FILE_OPENED); /* once it's opened, it's opened */
+ error = vfs_open(&nd->path, file, current_cred());
+ if (!error) {
+ *opened |= FILE_OPENED;
+ } else {
if (error == -EOPENSTALE)
goto stale_open;
goto out;