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NFS: Add an 'open_context' element to struct nfs_rpc_ops 

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2010-09-17 10:56:51 -04:00
parent c0204fd2b8
commit 2b484297e4
4 changed files with 10 additions and 5 deletions
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7
fs/nfs/dir.c
View File

@ -34,7 +34,6 @@
#include <linux/mount.h>
#include <linux/sched.h>
#include "nfs4_fs.h"
#include "delegation.h"
#include "iostat.h"
#include "internal.h"
@ -1127,7 +1126,7 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
/* Open the file on the server */
nfs_block_sillyrename(dentry->d_parent);
inode = nfs4_atomic_open(dir, ctx, open_flags, &attr);
inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr);
if (IS_ERR(inode)) {
nfs_unblock_sillyrename(dentry->d_parent);
put_nfs_open_context(ctx);
@ -1175,8 +1174,10 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
if (!is_atomic_open(nd) || d_mountpoint(dentry))
goto no_open;
parent = dget_parent(dentry);
dir = parent->d_inode;
/* We can't create new files in nfs_open_revalidate(), so we
* optimize away revalidation of negative dentries.
*/
@ -1205,7 +1206,7 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
* operations that change the directory. We therefore save the
* change attribute *before* we do the RPC call.
*/
inode = nfs4_atomic_open(dir, ctx, openflags, NULL);
inode = NFS_PROTO(dir)->open_context(dir, ctx, openflags, NULL);
if (IS_ERR(inode)) {
ret = PTR_ERR(inode);
switch (ret) {

1
fs/nfs/nfs4_fs.h
View File

@ -242,7 +242,6 @@ extern int nfs4_proc_renew(struct nfs_client *, struct rpc_cred *);
extern int nfs4_init_clientid(struct nfs_client *, struct rpc_cred *);
extern int nfs41_init_clientid(struct nfs_client *, struct rpc_cred *);
extern int nfs4_do_close(struct path *path, struct nfs4_state *state, gfp_t gfp_mask, int wait);
extern struct inode *nfs4_atomic_open(struct inode *, struct nfs_open_context *, int, struct iattr *);
extern int nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle);
extern int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
struct nfs4_fs_locations *fs_locations, struct page *page);

3
fs/nfs/nfs4proc.c
View File

@ -1998,7 +1998,7 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, gfp_t gfp_mask, i
return status;
}
struct inode *
static struct inode *
nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, int open_flags, struct iattr *attr)
{
struct nfs4_state *state;
@ -5358,6 +5358,7 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
.lock = nfs4_proc_lock,
.clear_acl_cache = nfs4_zap_acl_attr,
.close_context = nfs4_close_context,
.open_context = nfs4_atomic_open,
};
/*

4
include/linux/nfs_xdr.h
View File

@ -1065,6 +1065,10 @@ struct nfs_rpc_ops {
int (*lock_check_bounds)(const struct file_lock *);
void (*clear_acl_cache)(struct inode *);
void (*close_context)(struct nfs_open_context *ctx, int);
struct inode * (*open_context) (struct inode *dir,
struct nfs_open_context *ctx,
int open_flags,
struct iattr *iattr);
};
/*