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3125d265
编写于
8年前
作者:
A
Al Viro
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
cifs: switch to ->iterate_shared()
Signed-off-by:
N
Al Viro
<
viro@zeniv.linux.org.uk
>
上级
d9b3dbdc
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
30 addition
and
27 deletion
+30
-27
fs/cifs/cifsfs.c
fs/cifs/cifsfs.c
+1
-1
fs/cifs/readdir.c
fs/cifs/readdir.c
+29
-26
未找到文件。
fs/cifs/cifsfs.c
浏览文件 @
3125d265
...
...
@@ -1083,7 +1083,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = {
};
const
struct
file_operations
cifs_dir_ops
=
{
.
iterate
=
cifs_readdir
,
.
iterate
_shared
=
cifs_readdir
,
.
release
=
cifs_closedir
,
.
read
=
generic_read_dir
,
.
unlocked_ioctl
=
cifs_ioctl
,
...
...
This diff is collapsed.
Click to expand it.
fs/cifs/readdir.c
浏览文件 @
3125d265
...
...
@@ -80,18 +80,32 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
struct
inode
*
inode
;
struct
super_block
*
sb
=
parent
->
d_sb
;
struct
cifs_sb_info
*
cifs_sb
=
CIFS_SB
(
sb
);
DECLARE_WAIT_QUEUE_HEAD_ONSTACK
(
wq
);
cifs_dbg
(
FYI
,
"%s: for %s
\n
"
,
__func__
,
name
->
name
);
dentry
=
d_hash_and_lookup
(
parent
,
name
);
if
(
!
dentry
)
{
/*
* If we know that the inode will need to be revalidated
* immediately, then don't create a new dentry for it.
* We'll end up doing an on the wire call either way and
* this spares us an invalidation.
*/
if
(
fattr
->
cf_flags
&
CIFS_FATTR_NEED_REVAL
)
return
;
retry:
dentry
=
d_alloc_parallel
(
parent
,
name
,
&
wq
);
}
if
(
IS_ERR
(
dentry
))
return
;
if
(
dentry
)
{
if
(
!
d_in_lookup
(
dentry
))
{
inode
=
d_inode
(
dentry
);
if
(
inode
)
{
if
(
d_mountpoint
(
dentry
))
goto
out
;
if
(
d_mountpoint
(
dentry
))
{
dput
(
dentry
);
return
;
}
/*
* If we're generating inode numbers, then we don't
* want to clobber the existing one with the one that
...
...
@@ -106,33 +120,22 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
(
inode
->
i_mode
&
S_IFMT
)
==
(
fattr
->
cf_mode
&
S_IFMT
))
{
cifs_fattr_to_inode
(
inode
,
fattr
);
goto
out
;
dput
(
dentry
);
return
;
}
}
d_invalidate
(
dentry
);
dput
(
dentry
);
goto
retry
;
}
else
{
inode
=
cifs_iget
(
sb
,
fattr
);
if
(
!
inode
)
inode
=
ERR_PTR
(
-
ENOMEM
);
alias
=
d_splice_alias
(
inode
,
dentry
);
d_lookup_done
(
dentry
);
if
(
alias
&&
!
IS_ERR
(
alias
))
dput
(
alias
);
}
/*
* If we know that the inode will need to be revalidated immediately,
* then don't create a new dentry for it. We'll end up doing an on
* the wire call either way and this spares us an invalidation.
*/
if
(
fattr
->
cf_flags
&
CIFS_FATTR_NEED_REVAL
)
return
;
dentry
=
d_alloc
(
parent
,
name
);
if
(
!
dentry
)
return
;
inode
=
cifs_iget
(
sb
,
fattr
);
if
(
!
inode
)
goto
out
;
alias
=
d_splice_alias
(
inode
,
dentry
);
if
(
alias
&&
!
IS_ERR
(
alias
))
dput
(
alias
);
out:
dput
(
dentry
);
}
...
...
This diff is collapsed.
Click to expand it.
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