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Kirill Smelkov
linux
Commits
1dbd6608
Commit
1dbd6608
authored
May 13, 2008
by
Ingo Molnar
Browse files
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Plain Diff
Merge branch 'linus' into x86/urgent
parents
5aaca7a7
c714a534
Changes
6
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Showing
6 changed files
with
82 additions
and
67 deletions
+82
-67
fs/cifs/cifspdu.h
fs/cifs/cifspdu.h
+1
-0
fs/cifs/cifssmb.c
fs/cifs/cifssmb.c
+6
-10
fs/cifs/connect.c
fs/cifs/connect.c
+40
-39
fs/cifs/dir.c
fs/cifs/dir.c
+13
-3
fs/cifs/inode.c
fs/cifs/inode.c
+21
-14
include/linux/sched.h
include/linux/sched.h
+1
-1
No files found.
fs/cifs/cifspdu.h
View file @
1dbd6608
...
...
@@ -340,6 +340,7 @@
#define OPEN_NO_RECALL 0x00400000
#define OPEN_FREE_SPACE_QUERY 0x00800000
/* should be zero */
#define CREATE_OPTIONS_MASK 0x007FFFFF
#define CREATE_OPTION_READONLY 0x10000000
#define CREATE_OPTION_SPECIAL 0x20000000
/* system. NB not sent over wire */
/* ImpersonationLevel flags */
...
...
fs/cifs/cifssmb.c
View file @
1dbd6608
...
...
@@ -1224,11 +1224,8 @@ SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
else
/* BB FIXME BB */
pSMB
->
FileAttributes
=
cpu_to_le16
(
0
/*ATTR_NORMAL*/
);
/* if ((omode & S_IWUGO) == 0)
pSMB->FileAttributes |= cpu_to_le32(ATTR_READONLY);*/
/* Above line causes problems due to vfs splitting create into two
pieces - need to set mode after file created not while it is
being created */
if
(
create_options
&
CREATE_OPTION_READONLY
)
pSMB
->
FileAttributes
|=
cpu_to_le16
(
ATTR_READONLY
);
/* BB FIXME BB */
/* pSMB->CreateOptions = cpu_to_le32(create_options &
...
...
@@ -1331,17 +1328,16 @@ CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
pSMB
->
FileAttributes
=
cpu_to_le32
(
ATTR_SYSTEM
);
else
pSMB
->
FileAttributes
=
cpu_to_le32
(
ATTR_NORMAL
);
/* XP does not handle ATTR_POSIX_SEMANTICS */
/* but it helps speed up case sensitive checks for other
servers such as Samba */
if
(
tcon
->
ses
->
capabilities
&
CAP_UNIX
)
pSMB
->
FileAttributes
|=
cpu_to_le32
(
ATTR_POSIX_SEMANTICS
);
/* if ((omode & S_IWUGO) == 0)
pSMB->FileAttributes |= cpu_to_le32(ATTR_READONLY);*/
/* Above line causes problems due to vfs splitting create into two
pieces - need to set mode after file created not while it is
being created */
if
(
create_options
&
CREATE_OPTION_READONLY
)
pSMB
->
FileAttributes
|=
cpu_to_le32
(
ATTR_READONLY
);
pSMB
->
ShareAccess
=
cpu_to_le32
(
FILE_SHARE_ALL
);
pSMB
->
CreateDisposition
=
cpu_to_le32
(
openDisposition
);
pSMB
->
CreateOptions
=
cpu_to_le32
(
create_options
&
CREATE_OPTIONS_MASK
);
...
...
fs/cifs/connect.c
View file @
1dbd6608
...
...
@@ -348,7 +348,6 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
int
reconnect
;
current
->
flags
|=
PF_MEMALLOC
;
server
->
tsk
=
current
;
/* save process info to wake at shutdown */
cFYI
(
1
,
(
"Demultiplex PID: %d"
,
task_pid_nr
(
current
)));
write_lock
(
&
GlobalSMBSeslock
);
atomic_inc
(
&
tcpSesAllocCount
);
...
...
@@ -651,10 +650,20 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
spin_lock
(
&
GlobalMid_Lock
);
server
->
tcpStatus
=
CifsExiting
;
server
->
tsk
=
NULL
;
spin_unlock
(
&
GlobalMid_Lock
);
/* don't exit until kthread_stop is called */
set_current_state
(
TASK_UNINTERRUPTIBLE
);
while
(
!
kthread_should_stop
())
{
schedule
();
set_current_state
(
TASK_UNINTERRUPTIBLE
);
}
set_current_state
(
TASK_RUNNING
);
/* check if we have blocked requests that need to free */
/* Note that cifs_max_pending is normally 50, but
can be set at module install time to as little as two */
spin_lock
(
&
GlobalMid_Lock
);
if
(
atomic_read
(
&
server
->
inFlight
)
>=
cifs_max_pending
)
atomic_set
(
&
server
->
inFlight
,
cifs_max_pending
-
1
);
/* We do not want to set the max_pending too low or we
...
...
@@ -1318,42 +1327,43 @@ cifs_parse_mount_options(char *options, const char *devname,
static
struct
cifsSesInfo
*
cifs_find_tcp_session
(
struct
in_addr
*
target_ip_addr
,
struct
in6_addr
*
target_ip6_addr
,
char
*
userName
,
struct
TCP_Server_Info
**
psrvTcp
)
struct
in6_addr
*
target_ip6_addr
,
char
*
userName
,
struct
TCP_Server_Info
**
psrvTcp
)
{
struct
list_head
*
tmp
;
struct
cifsSesInfo
*
ses
;
*
psrvTcp
=
NULL
;
read_lock
(
&
GlobalSMBSeslock
);
read_lock
(
&
GlobalSMBSeslock
);
list_for_each
(
tmp
,
&
GlobalSMBSessionList
)
{
ses
=
list_entry
(
tmp
,
struct
cifsSesInfo
,
cifsSessionList
);
if
(
ses
->
server
)
{
if
((
target_ip_addr
&&
(
ses
->
server
->
addr
.
sockAddr
.
sin_addr
.
s_addr
==
target_ip_addr
->
s_addr
))
||
(
target_ip6_addr
&&
memcmp
(
&
ses
->
server
->
addr
.
sockAddr6
.
sin6_addr
,
target_ip6_addr
,
sizeof
(
*
target_ip6_addr
))))
{
/* BB lock server and tcp session and increment
use count here?? */
/* found a match on the TCP session */
*
psrvTcp
=
ses
->
server
;
/* BB check if reconnection needed */
if
(
strncmp
(
ses
->
userName
,
userName
,
MAX_USERNAME_SIZE
)
==
0
){
read_unlock
(
&
GlobalSMBSeslock
);
/* Found exact match on both TCP and
SMB sessions */
return
ses
;
}
}
if
(
!
ses
->
server
)
continue
;
if
(
target_ip_addr
&&
ses
->
server
->
addr
.
sockAddr
.
sin_addr
.
s_addr
!=
target_ip_addr
->
s_addr
)
continue
;
else
if
(
target_ip6_addr
&&
memcmp
(
&
ses
->
server
->
addr
.
sockAddr6
.
sin6_addr
,
target_ip6_addr
,
sizeof
(
*
target_ip6_addr
)))
continue
;
/* BB lock server and tcp session; increment use count here?? */
/* found a match on the TCP session */
*
psrvTcp
=
ses
->
server
;
/* BB check if reconnection needed */
if
(
strncmp
(
ses
->
userName
,
userName
,
MAX_USERNAME_SIZE
)
==
0
)
{
read_unlock
(
&
GlobalSMBSeslock
);
/* Found exact match on both TCP and
SMB sessions */
return
ses
;
}
/* else tcp and smb sessions need reconnection */
}
read_unlock
(
&
GlobalSMBSeslock
);
return
NULL
;
}
...
...
@@ -2186,15 +2196,12 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
srvTcp
->
tcpStatus
=
CifsExiting
;
spin_unlock
(
&
GlobalMid_Lock
);
if
(
srvTcp
->
tsk
)
{
struct
task_struct
*
tsk
;
/* If we could verify that kthread_stop would
always wake up processes blocked in
tcp in recv_mesg then we could remove the
send_sig call */
force_sig
(
SIGKILL
,
srvTcp
->
tsk
);
tsk
=
srvTcp
->
tsk
;
if
(
tsk
)
kthread_stop
(
tsk
);
kthread_stop
(
srvTcp
->
tsk
);
}
}
/* If find_unc succeeded then rc == 0 so we can not end */
...
...
@@ -2210,23 +2217,17 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
if
((
temp_rc
==
-
ESHUTDOWN
)
&&
(
pSesInfo
->
server
)
&&
(
pSesInfo
->
server
->
tsk
))
{
struct
task_struct
*
tsk
;
force_sig
(
SIGKILL
,
pSesInfo
->
server
->
tsk
);
tsk
=
pSesInfo
->
server
->
tsk
;
if
(
tsk
)
kthread_stop
(
tsk
);
kthread_stop
(
pSesInfo
->
server
->
tsk
);
}
}
else
{
cFYI
(
1
,
(
"No session or bad tcon"
));
if
((
pSesInfo
->
server
)
&&
(
pSesInfo
->
server
->
tsk
))
{
struct
task_struct
*
tsk
;
force_sig
(
SIGKILL
,
pSesInfo
->
server
->
tsk
);
tsk
=
pSesInfo
->
server
->
tsk
;
if
(
tsk
)
kthread_stop
(
tsk
);
kthread_stop
(
pSesInfo
->
server
->
tsk
);
}
}
sesInfoFree
(
pSesInfo
);
...
...
fs/cifs/dir.c
View file @
1dbd6608
...
...
@@ -119,6 +119,7 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
{
int
rc
=
-
ENOENT
;
int
xid
;
int
create_options
=
CREATE_NOT_DIR
;
int
oplock
=
0
;
int
desiredAccess
=
GENERIC_READ
|
GENERIC_WRITE
;
__u16
fileHandle
;
...
...
@@ -176,9 +177,19 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
FreeXid
(
xid
);
return
-
ENOMEM
;
}
mode
&=
~
current
->
fs
->
umask
;
/*
* if we're not using unix extensions, see if we need to set
* ATTR_READONLY on the create call
*/
if
(
!
pTcon
->
unix_ext
&&
(
mode
&
S_IWUGO
)
==
0
)
create_options
|=
CREATE_OPTION_READONLY
;
if
(
cifs_sb
->
tcon
->
ses
->
capabilities
&
CAP_NT_SMBS
)
rc
=
CIFSSMBOpen
(
xid
,
pTcon
,
full_path
,
disposition
,
desiredAccess
,
CREATE_NOT_DIR
,
desiredAccess
,
create_options
,
&
fileHandle
,
&
oplock
,
buf
,
cifs_sb
->
local_nls
,
cifs_sb
->
mnt_cifs_flags
&
CIFS_MOUNT_MAP_SPECIAL_CHR
);
else
...
...
@@ -187,7 +198,7 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
if
(
rc
==
-
EIO
)
{
/* old server, retry the open legacy style */
rc
=
SMBLegacyOpen
(
xid
,
pTcon
,
full_path
,
disposition
,
desiredAccess
,
CREATE_NOT_DIR
,
desiredAccess
,
create_options
,
&
fileHandle
,
&
oplock
,
buf
,
cifs_sb
->
local_nls
,
cifs_sb
->
mnt_cifs_flags
&
CIFS_MOUNT_MAP_SPECIAL_CHR
);
}
...
...
@@ -197,7 +208,6 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
/* If Open reported that we actually created a file
then we now have to set the mode if possible */
if
((
pTcon
->
unix_ext
)
&&
(
oplock
&
CIFS_CREATE_ACTION
))
{
mode
&=
~
current
->
fs
->
umask
;
if
(
cifs_sb
->
mnt_cifs_flags
&
CIFS_MOUNT_SET_UID
)
{
CIFSSMBUnixSetPerms
(
xid
,
pTcon
,
full_path
,
mode
,
(
__u64
)
current
->
fsuid
,
...
...
fs/cifs/inode.c
View file @
1dbd6608
...
...
@@ -974,8 +974,8 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
* failed to get it from the server or was set bogus */
if
((
direntry
->
d_inode
)
&&
(
direntry
->
d_inode
->
i_nlink
<
2
))
direntry
->
d_inode
->
i_nlink
=
2
;
mode
&=
~
current
->
fs
->
umask
;
if
(
pTcon
->
unix_ext
)
{
mode
&=
~
current
->
fs
->
umask
;
if
(
cifs_sb
->
mnt_cifs_flags
&
CIFS_MOUNT_SET_UID
)
{
CIFSSMBUnixSetPerms
(
xid
,
pTcon
,
full_path
,
mode
,
...
...
@@ -994,9 +994,16 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
CIFS_MOUNT_MAP_SPECIAL_CHR
);
}
}
else
{
/* BB to be implemented via Windows secrty descriptors
eg CIFSSMBWinSetPerms(xid, pTcon, full_path, mode,
-1, -1, local_nls); */
if
(
!
(
cifs_sb
->
mnt_cifs_flags
&
CIFS_MOUNT_CIFS_ACL
)
&&
(
mode
&
S_IWUGO
)
==
0
)
{
FILE_BASIC_INFO
pInfo
;
memset
(
&
pInfo
,
0
,
sizeof
(
pInfo
));
pInfo
.
Attributes
=
cpu_to_le32
(
ATTR_READONLY
);
CIFSSMBSetTimes
(
xid
,
pTcon
,
full_path
,
&
pInfo
,
cifs_sb
->
local_nls
,
cifs_sb
->
mnt_cifs_flags
&
CIFS_MOUNT_MAP_SPECIAL_CHR
);
}
if
(
direntry
->
d_inode
)
{
direntry
->
d_inode
->
i_mode
=
mode
;
direntry
->
d_inode
->
i_mode
|=
S_IFDIR
;
...
...
@@ -1408,18 +1415,19 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
__u64
uid
=
0xFFFFFFFFFFFFFFFFULL
;
__u64
gid
=
0xFFFFFFFFFFFFFFFFULL
;
struct
cifsInodeInfo
*
cifsInode
;
struct
inode
*
inode
=
direntry
->
d_inode
;
xid
=
GetXid
();
cFYI
(
1
,
(
"setattr on file %s attrs->iavalid 0x%x"
,
direntry
->
d_name
.
name
,
attrs
->
ia_valid
));
cifs_sb
=
CIFS_SB
(
direntry
->
d_
inode
->
i_sb
);
cifs_sb
=
CIFS_SB
(
inode
->
i_sb
);
pTcon
=
cifs_sb
->
tcon
;
if
((
cifs_sb
->
mnt_cifs_flags
&
CIFS_MOUNT_NO_PERM
)
==
0
)
{
/* check if we have permission to change attrs */
rc
=
inode_change_ok
(
direntry
->
d_
inode
,
attrs
);
rc
=
inode_change_ok
(
inode
,
attrs
);
if
(
rc
<
0
)
{
FreeXid
(
xid
);
return
rc
;
...
...
@@ -1432,7 +1440,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
FreeXid
(
xid
);
return
-
ENOMEM
;
}
cifsInode
=
CIFS_I
(
direntry
->
d_
inode
);
cifsInode
=
CIFS_I
(
inode
);
if
((
attrs
->
ia_valid
&
ATTR_MTIME
)
||
(
attrs
->
ia_valid
&
ATTR_SIZE
))
{
/*
...
...
@@ -1443,9 +1451,9 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
will be truncated anyway? Also, should we error out here if
the flush returns error?
*/
rc
=
filemap_write_and_wait
(
direntry
->
d_
inode
->
i_mapping
);
rc
=
filemap_write_and_wait
(
inode
->
i_mapping
);
if
(
rc
!=
0
)
{
CIFS_I
(
direntry
->
d_inode
)
->
write_behind_rc
=
rc
;
cifsInode
->
write_behind_rc
=
rc
;
rc
=
0
;
}
}
...
...
@@ -1521,9 +1529,8 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
*/
if
(
rc
==
0
)
{
rc
=
cifs_vmtruncate
(
direntry
->
d_inode
,
attrs
->
ia_size
);
cifs_truncate_page
(
direntry
->
d_inode
->
i_mapping
,
direntry
->
d_inode
->
i_size
);
rc
=
cifs_vmtruncate
(
inode
,
attrs
->
ia_size
);
cifs_truncate_page
(
inode
->
i_mapping
,
inode
->
i_size
);
}
else
goto
cifs_setattr_exit
;
}
...
...
@@ -1557,7 +1564,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
rc
=
0
;
#ifdef CONFIG_CIFS_EXPERIMENTAL
if
(
cifs_sb
->
mnt_cifs_flags
&
CIFS_MOUNT_CIFS_ACL
)
rc
=
mode_to_acl
(
direntry
->
d_
inode
,
full_path
,
mode
);
rc
=
mode_to_acl
(
inode
,
full_path
,
mode
);
else
if
((
mode
&
S_IWUGO
)
==
0
)
{
#else
if
((
mode
&
S_IWUGO
)
==
0
)
{
...
...
@@ -1665,7 +1672,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
/* do not need local check to inode_check_ok since the server does
that */
if
(
!
rc
)
rc
=
inode_setattr
(
direntry
->
d_
inode
,
attrs
);
rc
=
inode_setattr
(
inode
,
attrs
);
cifs_setattr_exit:
kfree
(
full_path
);
FreeXid
(
xid
);
...
...
include/linux/sched.h
View file @
1dbd6608
...
...
@@ -2038,7 +2038,7 @@ static inline int need_resched(void)
* cond_resched_softirq() will enable bhs before scheduling.
*/
extern
int
_cond_resched
(
void
);
#ifdef CONFIG_PREEMPT
#ifdef CONFIG_PREEMPT
_BKL
static
inline
int
cond_resched
(
void
)
{
return
0
;
...
...
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