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path: root/fs/cifs/connect.c
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* Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6Steve French2007-07-18
|\ | | | | | | | | | | Conflicts: fs/cifs/export.c
| * Freezer: make kernel threads nonfreezable by defaultRafael J. Wysocki2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, the freezer treats all tasks as freezable, except for the kernel threads that explicitly set the PF_NOFREEZE flag for themselves. This approach is problematic, since it requires every kernel thread to either set PF_NOFREEZE explicitly, or call try_to_freeze(), even if it doesn't care for the freezing of tasks at all. It seems better to only require the kernel threads that want to or need to be frozen to use some freezer-related code and to remove any freezer-related code from the other (nonfreezable) kernel threads, which is done in this patch. The patch causes all kernel threads to be nonfreezable by default (ie. to have PF_NOFREEZE set by default) and introduces the set_freezable() function that should be called by the freezable kernel threads in order to unset PF_NOFREEZE. It also makes all of the currently freezable kernel threads call set_freezable(), so it shouldn't cause any (intentional) change of behaviour to appear. Additionally, it updates documentation to describe the freezing of tasks more accurately. [akpm@linux-foundation.org: build fixes] Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Nigel Cunningham <nigel@nigel.suspend2.net> Cc: Pavel Machek <pavel@ucw.cz> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | [CIFS] Allow disabling CIFS Unix Extensions as mount optionSteve French2007-07-18
| | | | | | | | | | | | | | | | | | Previously the only way to do this was to umount all mounts to that server, turn off a proc setting (/proc/fs/cifs/LinuxExtensionsEnabled). Fixes Samba bugzilla bug number: 4582 (and also 2008) Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [CIFS] More whitespace/formatting fixes (noticed by checkpatch)Steve French2007-07-17
| | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [CIFS] whitespace/formatting fixesSteve French2007-07-12
| | | | | | | | | | | | | | | | | | This should be the last big batch of whitespace/formatting fixes. checkpatch warnings for the cifs directory are down about 90% and many of the remaining ones are harder to remove or make the code harder to read. Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [CIFS] whitespace cleanupSteve French2007-07-09
| | | | | | | | | | | | More than halfway there Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [CIFS] Fix packet signatures for NTLMv2 caseSteve French2007-07-09
| | | | | | | | | | Signed-off-by: Yehuda Sadeh Weinraub <Yehuda.Sadeh@expand.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [CIFS] whitespace cleanupSteve French2007-06-27
| | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [CIFS] Do not allow signals in cifs_demultiplex_threadJeff2007-06-25
| | | | | | | | | | | | | | | | | | Switch from send_sig to force_sig and do not allow signal for this background thread (the signal is needed to wakeup the thread when blocked in the network stack). Signed-off-by: Jeff Layton <jlayton@readhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [CIFS] Add in some missing flags and cifs README and TODO correctionsSteve French2007-06-24
|/ | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] typo in previous patchSteve French2007-05-23
| | | | | | (also fixed missing space after if) Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix oops on failed cifs mount (in kthread_stop)Steve French2007-05-23
| | | | | | | | | | | | | | If the cifs demultiplex thread wakes up and exits (zeroing server->tsk) before kthread_stop is called, the cifs_mount code could pass a null pointer to kthread_stop Thanks to akpm, Dave Young and Shaggy for suggesting earlier versions of this patch. CC: akpm@linux-foundatior.org Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Make sec=none force an anonymous mountJeff Layton2007-05-04
| | | | | | | | | | | | | | | | We had a customer report that attempting to make CIFS mount with a null username (i.e. doing an anonymous mount) doesn't work. Looking through the code, it looks like CIFS expects a NULL username from userspace in order to trigger an anonymous mount. The mount.cifs code doesn't seem to ever pass a null username to the kernel, however. It looks also like the kernel can take a sec=none option, but it only seems to look at it if the username is already NULL. This seems redundant and effectively makes sec=none useless. The following patch makes sec=none force an anonymous mount. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix oops in reset_cifs_unix_caps on reconnectSteve French2007-05-03
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] UID/GID override on CIFS mounts to SambaSteve French2007-04-30
| | | | | | | | | | | | | | | | | | When CIFS Unix Extensions are negotiated we get the Unix uid and gid owners of the file from the server (on the Unix Query Path Info levels), but if the server's uids don't match the client uid's users were having to disable the Unix Extensions (which turned off features they still wanted). The changeset patch allows users to override uid and/or gid for file/directory owner with a default uid and/or gid specified at mount (as is often done when mounting from Linux cifs client to Windows server). This changeset also displays the uid and gid used by default in /proc/mounts (if applicable). Also cleans up code by adding some of the missing spaces after "if" keywords per-kernel style guidelines (as suggested by Randy Dunlap when he reviewed the patch). Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] prefixpath mounts to servers supporting posix paths used wrong slashSteve French2007-04-26
| | | | | Acked-by: Alexander Bokovoy <abokovoy@ru.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Add IPv6 supportSteve French2007-04-25
| | | | | | | | | | | | | | IPv6 support was started a few years ago in the cifs client, but lacked a kernel helper function for parsing the ascii form of the ipv6 address. Now that that is added (and now IPv6 is the default that some OS use now) it was fairly easy to finish the cifs ipv6 support. This requires that CIFS_EXPERIMENTAL be enabled and (at least until the mount.cifs module is modified to use a new ipv6 friendly call instead of gethostbyname) and the ipv6 address be passed on the mount as "ip=" mount option. Thanks Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Switch cifsd to kthread_run from kernel_threadIgor Mammedov2007-04-03
| | | | | | | | | cifsd was the only cifs thread that had not been switched to the newer kthread interface Signed-off-by: Igor Mammedov <niallain at gmail.com> Signed-off-by: Wilhelm Meier <wilhelm.meier@fh-kl.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] on reconnect to Samba - reset the unix capabilitiesSteve French2007-02-13
| | | | | | | | | | After temporary server or network failure and reconneciton, we were not resending the unix capabilities via SetFSInfo - which confused Samba posix byte range locking code. Discovered by jra Signed-off-by: Steve French <sfrench@us.ibm.com>
* [PATCH] Add include/linux/freezer.h and move definitions from sched.hNigel Cunningham2006-12-07
| | | | | | | | | | | | | Move process freezing functions from include/linux/sched.h to freezer.h, so that modifications to the freezer or the kernel configuration don't require recompiling just about everything. [akpm@osdl.org: fix ueagle driver] Signed-off-by: Nigel Cunningham <nigel@suspend2.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [CIFS] Allow null user connectionsSteve French2006-10-30
| | | | | | | | Some servers are configured to only allow null user mounts for guest access. Allow nul user (anonymous) mounts e.g. mount -t cifs //server/share /mnt -o username= Signed-off-by: Steve French <sfrench@us.ibm.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2006-10-13
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: (27 commits) [CIFS] Missing flags2 for DFS [CIFS] Workaround incomplete byte length returned by some [CIFS] cifs Kconfig: don't select CONNECTOR [CIFS] Level 1 QPathInfo needed for proper OS2 support [CIFS] fix typo in previous patch [CIFS] Fix old DOS time conversion to handle timezone [CIFS] Do not need to adjust for Jan/Feb for leap day [CIFS] Fix leaps year calculation for years after 2100 [CIFS] readdir (ffirst) enablement of accurate timestamps from legacy servers [CIFS] Fix compiler warning with previous patch [CIFS] Fix typo [CIFS] Allow for 15 minute TZs (e.g. Nepal) and be more explicit about [CIFS] Fix readdir of large directories for backlevel servers [CIFS] Allow LANMAN21 support even in both POSIX non-POSIX path [CIFS] Make use of newer QFSInfo dependent on capability bit instead of [CIFS] Do not send newer QFSInfo to legacy servers which can not support it [CIFS] Fix typo in name of new cifs_show_stats [CIFS] Rename server time zone field [CIFS] Handle legacy servers which return undefined time zone [CIFS] CIFS support for /proc/<pid>/mountstats part 1 ... Manual conflict resolution in fs/cifs/connect.c
| * [CIFS] Missing flags2 for DFSSteve French2006-10-12
| | | | | | | | | | | | Partly suggested by Igor Mammedov Signed-off-by: Steve French <sfrench@us.ibm.com>
| * [CIFS] Do not send newer QFSInfo to legacy servers which can not support itSteve French2006-09-30
| | | | | | | | | | | | | | | | | | | | | | | | Fix dialect negotiation to save off when we have negotiated lanman. This allows us to avoid sending some somewhat newer requests that the server can not handle and go directly to the older version (infolevel) of the same call. Make sure we try to negotiate a level which allows us to get the server OS (which we check so we can detect Win9x vs. other legacy servers and eventually work around the Win9x DOS time bug (they reverse date/time fields). Signed-off-by: Steve French <sfrench@us.ibm.com>
| * [CIFS] Rename server time zone fieldSteve French2006-09-29
| | | | | | | | | | | | | | | | Server time zone is not really a time zone, rather a time adjustement in seconds. CC: Guenter Kukkukk <linux@kukkukk.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * [CIFS] Remove static and unused symbolsSteve French2006-09-28
| | | | | | | | | | | | | | | | | | Most cases of the ones found by Shaggy by "make namespacecheck" could be removed or made static Ack: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [PATCH] namespaces: utsname: switch to using uts namespacesSerge E. Hallyn2006-10-02
|/ | | | | | | | | | | | | | | | | | | | | Replace references to system_utsname to the per-process uts namespace where appropriate. This includes things like uname. Changes: Per Eric Biederman's comments, use the per-process uts namespace for ELF_PLATFORM, sunrpc, and parts of net/ipv4/ipconfig.c [jdike@addtoit.com: UML fix] [clg@fr.ibm.com: cleanup] [akpm@osdl.org: build fix] Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Cc: Kirill Korotaev <dev@openvz.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Herbert Poetzl <herbert@13thfloor.at> Cc: Andrey Savochkin <saw@sw.ru> Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [CIFS] Support deep tree mounts (e.g. mounts to //server/share/path)Steve French2006-09-21
| | | | | | Samba bugzilla #4040 Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix oops in cifs_close due to unitialized lock sem and list inSteve French2006-08-15
| | | | | | new POSIX locking code Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Allow cifsd to suspend if connection is lostSteve French2006-08-11
| | | | | | | | | | | Make cifsd allow us to suspend if it has lost the connection with a server Ref: http://bugzilla.kernel.org/show_bug.cgi?id=6811 Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Steve French <sfrench@us.ibm.com> (cherry picked from 27bd6cd87b0ada66515ad49bc346d77d1e9d3e05 commit)
* [CIFS] Do not time out posix brl requests when using new posix setfileinfoSteve French2006-08-11
| | | | | | | | | | request and do not time out slow requests to a server that is still responding well to other threads Suggested by jra of Samba team Signed-off-by: Steve French <sfrench@us.ibm.com> (cherry picked from 89b57148115479eef074b8d3f86c4c86c96ac969 commit)
* [CIFS] Fix allocation of buffers for new session setup routine to allowSteve French2006-06-27
| | | | | | longer user and domain names and allow passing sec options on mount Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] remove some redundant null pointer checksSteve French2006-06-26
| | | | | | some of them pointed out by Dave Jones Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Enable sec flags on mount for cifs (part one)Steve French2006-06-22
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix suspend/resume problem which causes EIO on subsequent access toPavel Machek2006-06-13
| | | | | | | the mount. Signed-off-by: Pavel Machek <pavel@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Support for setting up SMB sessions to legacy lanman servers part 2Steve French2006-06-01
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* [CIFS] Support for setting up SMB sessions to legacy lanman serversSteve French2006-05-31
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* [CIFS] Fix typos in previous fixSteve French2006-05-30
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] fix memory leak in cifs session info struct on reconnectSteve French2006-05-30
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Do not limit the length of share names (was 100 for whole UNC name)Steve French2006-05-30
| | | | | | during mount. Especially important for some non-Western languages. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix compile error when CONFIG_CIFS_EXPERIMENTAL is undefinedSteve French2006-04-24
| | | | | Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Readdir fixes to allow search to start at arbitrary positionSteve French2006-04-22
| | | | | | | | | in directory Also includes first part of fix to compensate for servers which forget to return . and .. as well as updates to changelog and cifs readme. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix slow oplock break response when mounts to differentSteve French2006-03-03
| | | | | | servers have same tid and we try to match oplock break to wrong tid. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Workaround various server bugs found in testing at connectathonSteve French2006-03-03
| | | | | | | | | - slow down negprot 1ms during mount when RFC1001 over port 139 to give buggy servers time to clear sess_init - remap some plausible but incorrect SMB return codes to the right ones in truncate and hardlink paths Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Make POSIX CIFS Extensions SetFSInfo match exactly what we wantSteve French2006-03-01
| | | | | | not just the posix path feature. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix large (ie over 64K for MaxCIFSBufSize) buffer case for wrappingSteve French2006-02-24
| | | | | | bcc on read response and for wrapping sessionsetup maxbufsize field Signed-off-by: Steve French <sfrench@us.ibm.com>
* Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.gitSteve French2006-02-22
|\ | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * [PATCH] CIFS: CIFSSMBRead was returning an invalid pointer in buf on socket ↵Steve French2006-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | error Thanks to Adrian Bunk for debugging the problem and to Shaggy for helping find the solution. Also added a fix for 64K pages we found in loosely-related testing Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [CIFS] SessionSetup cleanup part 2Steve French2006-02-13
| | | | | | | | | | | | | | | | | | | | | | | | | | The cifs session setup code has three cases, and a fourth for backlevel LANMAN2 style session setup needed to be added. This new session setup implmentation will eventually replace the other three and should be easier to read while fixing a few minor problems (not setting the LARGE READ/WRITEX flags when NTLMSSP was negotiated for example) and adding support for NTLMv2 (which will be added with the next patch. In the meantime, this code is marked in an CONFIG_CIFS_EXPERIMENTAL block and will not be turned on by default until it is tested against more server types. Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [CIFS] Cleanup NTLMSSP session setup handlingSteve French2006-02-09
|/ | | | | | Fix to hash NTLMv2 properly will follow. Signed-off-by: Steve French <sfrench@us.ibm.com>
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