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jfs: new export ops

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Trivial switch over to the new generic helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Neil Brown <neilb@suse.de>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Dave Kleikamp <shaggy@austin.ibm.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 16:42:09 -07:00 committed by Linus Torvalds
parent 05da080482
commit d425de7043
3 changed files with 27 additions and 18 deletions
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7
fs/jfs/jfs_inode.h
View file

@ -18,6 +18,8 @@
#ifndef _H_JFS_INODE #ifndef _H_JFS_INODE
#define _H_JFS_INODE #define _H_JFS_INODE
struct fid;
extern struct inode *ialloc(struct inode *, umode_t); extern struct inode *ialloc(struct inode *, umode_t);
extern int jfs_fsync(struct file *, struct dentry *, int); extern int jfs_fsync(struct file *, struct dentry *, int);
extern int jfs_ioctl(struct inode *, struct file *, extern int jfs_ioctl(struct inode *, struct file *,
@ -32,7 +34,10 @@ extern void jfs_truncate_nolock(struct inode *, loff_t);
extern void jfs_free_zero_link(struct inode *); extern void jfs_free_zero_link(struct inode *);
extern struct dentry *jfs_get_parent(struct dentry *dentry); extern struct dentry *jfs_get_parent(struct dentry *dentry);
extern void jfs_get_inode_flags(struct jfs_inode_info *); extern void jfs_get_inode_flags(struct jfs_inode_info *);
extern struct dentry *jfs_get_dentry(struct super_block *sb, void *vobjp); extern struct dentry *jfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type);
extern struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type);
extern void jfs_set_inode_flags(struct inode *); extern void jfs_set_inode_flags(struct inode *);
extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int); extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);

35
fs/jfs/namei.c
View file

@ -20,6 +20,7 @@
#include <linux/fs.h> #include <linux/fs.h>
#include <linux/ctype.h> #include <linux/ctype.h>
#include <linux/quotaops.h> #include <linux/quotaops.h>
#include <linux/exportfs.h>
#include "jfs_incore.h" #include "jfs_incore.h"
#include "jfs_superblock.h" #include "jfs_superblock.h"
#include "jfs_inode.h" #include "jfs_inode.h"
@ -1477,13 +1478,10 @@ static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struc
return dentry; return dentry;
} }
struct dentry *jfs_get_dentry(struct super_block *sb, void *vobjp) static struct inode *jfs_nfs_get_inode(struct super_block *sb,
u64 ino, u32 generation)
{ {
__u32 *objp = vobjp;
unsigned long ino = objp[0];
__u32 generation = objp[1];
struct inode *inode; struct inode *inode;
struct dentry *result;
if (ino == 0) if (ino == 0)
return ERR_PTR(-ESTALE); return ERR_PTR(-ESTALE);
@ -1493,20 +1491,25 @@ struct dentry *jfs_get_dentry(struct super_block *sb, void *vobjp)
if (is_bad_inode(inode) || if (is_bad_inode(inode) ||
(generation && inode->i_generation != generation)) { (generation && inode->i_generation != generation)) {
result = ERR_PTR(-ESTALE); iput(inode);
goto out_iput; return ERR_PTR(-ESTALE);
} }
result = d_alloc_anon(inode); return inode;
if (!result) { }
result = ERR_PTR(-ENOMEM);
goto out_iput;
}
return result;
out_iput: struct dentry *jfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
iput(inode); int fh_len, int fh_type)
return result; {
return generic_fh_to_dentry(sb, fid, fh_len, fh_type,
jfs_nfs_get_inode);
}
struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type)
{
return generic_fh_to_parent(sb, fid, fh_len, fh_type,
jfs_nfs_get_inode);
} }
struct dentry *jfs_get_parent(struct dentry *dentry) struct dentry *jfs_get_parent(struct dentry *dentry)

3
fs/jfs/super.c
View file

@ -738,7 +738,8 @@ static const struct super_operations jfs_super_operations = {
}; };
static struct export_operations jfs_export_operations = { static struct export_operations jfs_export_operations = {
.get_dentry = jfs_get_dentry, .fh_to_dentry = jfs_fh_to_dentry,
.fh_to_parent = jfs_fh_to_parent,
.get_parent = jfs_get_parent, .get_parent = jfs_get_parent,
}; };