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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2005-10-18 14:20:16 -0700 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2005-10-18 14:20:16 -0700 |
| commit | 834f2a4a1554dc5b2598038b3fe8703defcbe467 (patch) | |
| tree | d27a000a2dd03029e6e2472c6e13801688185b51 /include/linux/namei.h | |
| parent | 039c4d7a82d8268ec71f59679460b41d0dd9b225 (diff) | |
| download | linux-834f2a4a1554dc5b2598038b3fe8703defcbe467.tar.gz linux-834f2a4a1554dc5b2598038b3fe8703defcbe467.tar.bz2 linux-834f2a4a1554dc5b2598038b3fe8703defcbe467.zip | |
VFS: Allow the filesystem to return a full file pointer on open intent
This is needed by NFSv4 for atomicity reasons: our open command is in
fact a lookup+open, so we need to be able to propagate open context
information from lookup() into the resulting struct file's
private_data field.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/namei.h')
| -rw-r--r-- | include/linux/namei.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/namei.h b/include/linux/namei.h index 7db67b008cac..1c975d0d9e94 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -8,6 +8,7 @@ struct vfsmount; struct open_intent { int flags; int create_mode; + struct file *file; }; enum { MAX_NESTED_LINKS = 5 }; @@ -65,6 +66,13 @@ extern int FASTCALL(link_path_walk(const char *, struct nameidata *)); extern void path_release(struct nameidata *); extern void path_release_on_umount(struct nameidata *); +extern int __user_path_lookup_open(const char __user *, unsigned lookup_flags, struct nameidata *nd, int open_flags); +extern int path_lookup_open(const char *, unsigned lookup_flags, struct nameidata *, int open_flags); +extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry, + int (*open)(struct inode *, struct file *)); +extern struct file *nameidata_to_filp(struct nameidata *nd, int flags); +extern void release_open_intent(struct nameidata *); + extern struct dentry * lookup_one_len(const char *, struct dentry *, int); extern struct dentry * lookup_hash(struct qstr *, struct dentry *); |