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[PATCH] xdr annotations: NFS readdir entries 

on-the-wire data is big-endian

[in large part pulled from Alexey's patch]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Acked-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2006-10-19 23:28:49 -07:00 committed by Linus Torvalds
parent 8687b63afb
commit 0dbb4c6799
8 changed files with 15 additions and 15 deletions
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6
fs/nfs/dir.c
View File

@ -142,12 +142,12 @@ nfs_opendir(struct inode *inode, struct file *filp)
return res;
}
typedef u32 * (*decode_dirent_t)(u32 *, struct nfs_entry *, int);
typedef __be32 * (*decode_dirent_t)(__be32 *, struct nfs_entry *, int);
typedef struct {
struct file *file;
struct page *page;
unsigned long page_index;
u32 *ptr;
__be32 *ptr;
u64 *dir_cookie;
loff_t current_index;
struct nfs_entry *entry;
@ -220,7 +220,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page)
static inline
int dir_decode(nfs_readdir_descriptor_t *desc)
{
u32 *p = desc->ptr;
__be32 *p = desc->ptr;
p = desc->decode(p, desc->entry, desc->plus);
if (IS_ERR(p))
return PTR_ERR(p);

6
fs/nfs/internal.h
View File

@ -93,15 +93,15 @@ extern void nfs_destroy_directcache(void);
/* nfs2xdr.c */
extern int nfs_stat_to_errno(int);
extern struct rpc_procinfo nfs_procedures[];
extern u32 * nfs_decode_dirent(u32 *, struct nfs_entry *, int);
extern __be32 * nfs_decode_dirent(__be32 *, struct nfs_entry *, int);
/* nfs3xdr.c */
extern struct rpc_procinfo nfs3_procedures[];
extern u32 *nfs3_decode_dirent(u32 *, struct nfs_entry *, int);
extern __be32 *nfs3_decode_dirent(__be32 *, struct nfs_entry *, int);
/* nfs4xdr.c */
#ifdef CONFIG_NFS_V4
extern u32 *nfs4_decode_dirent(u32 *p, struct nfs_entry *entry, int plus);
extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus);
#endif
/* nfs4proc.c */

4
fs/nfs/nfs2xdr.c
View File

@ -468,8 +468,8 @@ err_unmap:
goto out;
}
u32 *
nfs_decode_dirent(u32 *p, struct nfs_entry *entry, int plus)
__be32 *
nfs_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus)
{
if (!*p++) {
if (!*p)

4
fs/nfs/nfs3xdr.c
View File

@ -583,8 +583,8 @@ err_unmap:
goto out;
}
u32 *
nfs3_decode_dirent(u32 *p, struct nfs_entry *entry, int plus)
__be32 *
nfs3_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus)
{
struct nfs_entry old = *entry;

2
fs/nfs/nfs4_fs.h
View File

@ -212,7 +212,7 @@ extern void nfs_free_seqid(struct nfs_seqid *seqid);
extern const nfs4_stateid zero_stateid;
/* nfs4xdr.c */
extern uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus);
extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus);
extern struct rpc_procinfo nfs4_procedures[];
struct nfs4_mount_data;

4
fs/nfs/nfs4proc.c
View File

@ -141,7 +141,7 @@ const u32 nfs4_fs_locations_bitmap[2] = {
static void nfs4_setup_readdir(u64 cookie, u32 *verifier, struct dentry *dentry,
struct nfs4_readdir_arg *readdir)
{
u32 *start, *p;
__be32 *start, *p;
BUG_ON(readdir->count < 80);
if (cookie > 2) {
@ -162,7 +162,7 @@ static void nfs4_setup_readdir(u64 cookie, u32 *verifier, struct dentry *dentry,
* when talking to the server, we always send cookie 0
* instead of 1 or 2.
*/
start = p = (u32 *)kmap_atomic(*readdir->pages, KM_USER0);
start = p = kmap_atomic(*readdir->pages, KM_USER0);
if (cookie == 0) {
*p++ = xdr_one; /* next */

2
fs/nfs/nfs4xdr.c
View File

@ -4421,7 +4421,7 @@ out:
return status;
}
uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus)
__be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus)
{
uint32_t bitmap[2] = {0};
uint32_t len;

2
include/linux/nfs_xdr.h
View File

@ -811,7 +811,7 @@ struct nfs_rpc_ops {
int (*pathconf) (struct nfs_server *, struct nfs_fh *,
struct nfs_pathconf *);
int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
u32 * (*decode_dirent)(u32 *, struct nfs_entry *, int plus);
__be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus);
void (*read_setup) (struct nfs_read_data *);
int (*read_done) (struct rpc_task *, struct nfs_read_data *);
void (*write_setup) (struct nfs_write_data *, int how);