GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-30 02:21:15 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

exportfs: remove old methods

Browse source 
Now that all filesystems are converted remove support for the old methods.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Neil Brown <neilb@suse.de>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: <linux-ext4@vger.kernel.org>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Cc: Anton Altaparmakov <aia21@cantab.net>
Cc: David Chinner <dgc@sgi.com>
Cc: Timothy Shimmin <tes@sgi.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: Chris Mason <mason@suse.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: "Vladimir V. Saveliev" <vs@namesys.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2007-10-21 16:42:16 -07:00 • committed by Linus Torvalds
parent 644f9ab3b0
commit cfaea787c0
3 changed files with 3 additions and 225 deletions
Download patch file Download diff file Expand all files Collapse all files

41
include/linux/exportfs.h
View file

@ -54,8 +54,6 @@ struct fid {
* @get_name: find the name for a given inode in a given directory
* @get_parent: find the parent of a given directory
* @get_dentry: find a dentry for the inode given a file handle sub-fragment
* @find_exported_dentry:
* set by the exporting module to a standard helper function.
*
* Description:
* The export_operations structure provides a means for nfsd to communicate
@ -82,16 +80,6 @@ struct fid {
* looking for the next. As soon as an acceptable one is found, it should
* be returned.
*
* decode_fh:
* @decode_fh is given a &struct super_block (@sb), a file handle fragment
* (@fh, @fh_len) and an acceptability testing function (@acceptable,
* @context). It should return a &struct dentry which refers to the same
* file that the file handle fragment refers to, and which passes the
* acceptability test. If it cannot, it should return a %NULL pointer if
* the file was found but no acceptable &dentries were available, or a
* %ERR_PTR error code indicating why it couldn't be found (e.g. %ENOENT or
* %ENOMEM).
*
* encode_fh:
* @encode_fh should store in the file handle fragment @fh (using at most
* @max_len bytes) information that can be used by @decode_fh to recover the
@ -129,30 +117,12 @@ struct fid {
* is also a directory. In the event that it cannot be found, or storage
* space cannot be allocated, a %ERR_PTR should be returned.
*
* get_dentry:
* Given a &super_block (@sb) and a pointer to a file-system specific inode
* identifier, possibly an inode number, (@inump) get_dentry() should find
* the identified inode and return a dentry for that inode. Any suitable
* dentry can be returned including, if necessary, a new dentry created with
* d_alloc_root. The caller can then find any other extant dentrys by
* following the d_alias links. If a new dentry was created using
* d_alloc_root, DCACHE_NFSD_DISCONNECTED should be set, and the dentry
* should be d_rehash()ed.
*
* If the inode cannot be found, either a %NULL pointer or an %ERR_PTR code
* can be returned. The @inump will be whatever was passed to
* nfsd_find_fh_dentry() in either the @obj or @parent parameters.
*
* Locking rules:
* get_parent is called with child->d_inode->i_mutex down
* get_name is not (which is possibly inconsistent)
*/
struct export_operations {
struct dentry *(*decode_fh)(struct super_block *sb, __u32 *fh,
int fh_len, int fh_type,
int (*acceptable)(void *context, struct dentry *de),
void *context);
int (*encode_fh)(struct dentry *de, __u32 *fh, int *max_len,
int connectable);
struct dentry * (*fh_to_dentry)(struct super_block *sb, struct fid *fid,
@ -162,19 +132,8 @@ struct export_operations {
int (*get_name)(struct dentry *parent, char *name,
struct dentry *child);
struct dentry * (*get_parent)(struct dentry *child);
struct dentry * (*get_dentry)(struct super_block *sb, void *inump);
/* This is set by the exporting module to a standard helper */
struct dentry * (*find_exported_dentry)(
struct super_block *sb, void *obj, void *parent,
int (*acceptable)(void *context, struct dentry *de),
void *context);
};
extern struct dentry *find_exported_dentry(struct super_block *sb, void *obj,
void *parent, int (*acceptable)(void *context, struct dentry *de),
void *context);
extern int exportfs_encode_fh(struct dentry *dentry, struct fid *fid,
int *max_len, int connectable);
extern struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,