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nexedi
linux
Commits
23a30612
Commit
23a30612
authored
Apr 16, 2010
by
Trond Myklebust
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NFS: Reduce the stack footprint of nfs_proc_symlink()
Signed-off-by:
Trond Myklebust
<
Trond.Myklebust@netapp.com
>
parent
eb872f0c
Changes
1
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1 changed file
with
16 additions
and
10 deletions
+16
-10
fs/nfs/proc.c
fs/nfs/proc.c
+16
-10
No files found.
fs/nfs/proc.c
View file @
23a30612
...
@@ -418,8 +418,8 @@ static int
...
@@ -418,8 +418,8 @@ static int
nfs_proc_symlink
(
struct
inode
*
dir
,
struct
dentry
*
dentry
,
struct
page
*
page
,
nfs_proc_symlink
(
struct
inode
*
dir
,
struct
dentry
*
dentry
,
struct
page
*
page
,
unsigned
int
len
,
struct
iattr
*
sattr
)
unsigned
int
len
,
struct
iattr
*
sattr
)
{
{
struct
nfs_fh
fhandle
;
struct
nfs_fh
*
fh
;
struct
nfs_fattr
fattr
;
struct
nfs_fattr
*
fattr
;
struct
nfs_symlinkargs
arg
=
{
struct
nfs_symlinkargs
arg
=
{
.
fromfh
=
NFS_FH
(
dir
),
.
fromfh
=
NFS_FH
(
dir
),
.
fromname
=
dentry
->
d_name
.
name
,
.
fromname
=
dentry
->
d_name
.
name
,
...
@@ -432,12 +432,18 @@ nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
...
@@ -432,12 +432,18 @@ nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
.
rpc_proc
=
&
nfs_procedures
[
NFSPROC_SYMLINK
],
.
rpc_proc
=
&
nfs_procedures
[
NFSPROC_SYMLINK
],
.
rpc_argp
=
&
arg
,
.
rpc_argp
=
&
arg
,
};
};
int
status
;
int
status
=
-
ENAMETOOLONG
;
dprintk
(
"NFS call symlink %s
\n
"
,
dentry
->
d_name
.
name
);
if
(
len
>
NFS2_MAXPATHLEN
)
if
(
len
>
NFS2_MAXPATHLEN
)
return
-
ENAMETOOLONG
;
goto
out
;
dprintk
(
"NFS call symlink %s
\n
"
,
dentry
->
d_name
.
name
);
fh
=
nfs_alloc_fhandle
();
fattr
=
nfs_alloc_fattr
();
status
=
-
ENOMEM
;
if
(
fh
==
NULL
||
fattr
==
NULL
)
goto
out
;
status
=
rpc_call_sync
(
NFS_CLIENT
(
dir
),
&
msg
,
0
);
status
=
rpc_call_sync
(
NFS_CLIENT
(
dir
),
&
msg
,
0
);
nfs_mark_for_revalidate
(
dir
);
nfs_mark_for_revalidate
(
dir
);
...
@@ -447,12 +453,12 @@ nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
...
@@ -447,12 +453,12 @@ nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
* filehandle size to zero indicates to nfs_instantiate that it
* filehandle size to zero indicates to nfs_instantiate that it
* should fill in the data with a LOOKUP call on the wire.
* should fill in the data with a LOOKUP call on the wire.
*/
*/
if
(
status
==
0
)
{
if
(
status
==
0
)
nfs_fattr_init
(
&
fattr
);
status
=
nfs_instantiate
(
dentry
,
fh
,
fattr
);
fhandle
.
size
=
0
;
status
=
nfs_instantiate
(
dentry
,
&
fhandle
,
&
fattr
);
}
nfs_free_fattr
(
fattr
);
nfs_free_fhandle
(
fh
);
out:
dprintk
(
"NFS reply symlink: %d
\n
"
,
status
);
dprintk
(
"NFS reply symlink: %d
\n
"
,
status
);
return
status
;
return
status
;
}
}
...
...
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