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Kirill Smelkov
linux
Commits
9b9f8494
Commit
9b9f8494
authored
Feb 07, 2002
by
Alexander Viro
Committed by
Linus Torvalds
Feb 07, 2002
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[PATCH] knfsd cleanups
logics in nfsd_lookup() cleaned up (see above, only more so ;-/)
parent
20fa6233
Changes
1
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1 changed file
with
23 additions
and
28 deletions
+23
-28
fs/nfsd/vfs.c
fs/nfsd/vfs.c
+23
-28
No files found.
fs/nfsd/vfs.c
View file @
9b9f8494
...
...
@@ -114,35 +114,30 @@ nfsd_lookup(struct svc_rqst *rqstp, struct svc_fh *fhp, const char *name,
if
(
isdotent
(
name
,
len
))
{
if
(
len
==
1
)
dentry
=
dget
(
dparent
);
else
{
/* must be ".." */
else
if
(
dparent
!=
exp
->
ex_dentry
)
dentry
=
dget
(
dparent
->
d_parent
);
else
if
(
!
EX_CROSSMNT
(
exp
))
dentry
=
dget
(
dparent
);
/* .. == . just like at / */
else
{
/* checking mountpoint crossing is very different when stepping up */
if
(
dparent
==
exp
->
ex_dentry
)
{
if
(
!
EX_CROSSMNT
(
exp
))
dentry
=
dget
(
dparent
);
/* .. == . just like at / */
else
{
struct
svc_export
*
exp2
=
NULL
;
struct
dentry
*
dp
;
struct
vfsmount
*
mnt
=
mntget
(
exp
->
ex_mnt
);
dentry
=
dget
(
dparent
);
while
(
follow_up
(
&
mnt
,
&
dentry
))
;
dp
=
dget
(
dentry
->
d_parent
);
dput
(
dentry
);
dentry
=
dp
;
for
(
;
exp2
==
NULL
&&
dp
->
d_parent
!=
dp
;
dp
=
dp
->
d_parent
)
exp2
=
exp_get_by_name
(
exp
->
ex_client
,
mnt
,
dp
);
if
(
exp2
==
NULL
)
{
dput
(
dentry
);
dentry
=
dget
(
dparent
);
}
else
{
exp
=
exp2
;
}
mntput
(
mnt
);
}
}
else
dentry
=
dget
(
dparent
->
d_parent
);
struct
svc_export
*
exp2
=
NULL
;
struct
dentry
*
dp
;
struct
vfsmount
*
mnt
=
mntget
(
exp
->
ex_mnt
);
dentry
=
dget
(
dparent
);
while
(
follow_up
(
&
mnt
,
&
dentry
))
;
dp
=
dget
(
dentry
->
d_parent
);
dput
(
dentry
);
dentry
=
dp
;
for
(
;
!
exp2
&&
dp
->
d_parent
!=
dp
;
dp
=
dp
->
d_parent
)
exp2
=
exp_get_by_name
(
exp
->
ex_client
,
mnt
,
dp
);
if
(
!
exp2
)
{
dput
(
dentry
);
dentry
=
dget
(
dparent
);
}
else
{
exp
=
exp2
;
}
mntput
(
mnt
);
}
}
else
{
fh_lock
(
fhp
);
...
...
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