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authorMiklos Szeredi <mszeredi@suse.cz>2014-10-24 02:14:35 +0400
committerMiklos Szeredi <mszeredi@suse.cz>2014-10-24 02:14:35 +0400
commit4aa7c6346be395bdf776f82bbb2e3e2bc60bdd2b (patch)
treea2135754a04370e7fcf7b867b0f4fbeaa58b3521 /include/linux/fs.h
parentf114040e3ea6e07372334ade75d1ee0775c355e1 (diff)
downloadlinux-4aa7c6346be395bdf776f82bbb2e3e2bc60bdd2b.tar.xz
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 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index a957d4366c24..5cf7f6759679 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1528,6 +1528,9 @@ struct inode_operations {
umode_t create_mode, int *opened);
int (*tmpfile) (struct inode *, struct dentry *, umode_t);
int (*set_acl)(struct inode *, struct posix_acl *, int);
+
+ /* WARNING: probably going away soon, do not use! */
+ int (*dentry_open)(struct dentry *, struct file *, const struct cred *);
} ____cacheline_aligned;
ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector,
@@ -2040,6 +2043,7 @@ extern struct file *file_open_name(struct filename *, int, umode_t);
extern struct file *filp_open(const char *, int, umode_t);
extern struct file *file_open_root(struct dentry *, struct vfsmount *,
const char *, int);
+extern int vfs_open(const struct path *, struct file *, const struct cred *);
extern struct file * dentry_open(const struct path *, int, const struct cred *);
extern int filp_close(struct file *, fl_owner_t id);