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* | | | CIFS: Add open/close file support for SMB2Pavel Shilovsky2012-09-24
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* | | | CIFS: Move close code to ops structPavel Shilovsky2012-09-24
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* | | | CIFS: Move open code to ops structPavel Shilovsky2012-09-24
| | | | | | | | | | | | | | | | | | | | | | | | Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* | | | CIFS: Replace netfid with cifs_fid struct in cifsFileInfoPavel Shilovsky2012-09-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is help us to extend the code for future protocols that can use another fid mechanism (as SMB2 that has it divided into two parts: persistent and violatile). Also rename variables and refactor the code around the changes. Reviewed-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* | | | CIFS: Add SMB2 support for unlinkPavel Shilovsky2012-09-24
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* | | | CIFS: Move unlink code to ops structPavel Shilovsky2012-09-24
|/ / / | | | | | | | | | | | | | | | Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* / / cifs: fix return value in cifsConvertToUTF16Jeff Layton2012-09-18
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | This function returns the wrong value, which causes the callers to get the length of the resulting pathname wrong when it contains non-ASCII characters. This seems to fix https://bugzilla.samba.org/show_bug.cgi?id=6767 Cc: <stable@vger.kernel.org> Reported-by: Baldvin Kovacs <baldvin.kovacs@gmail.com> Reported-and-Tested-by: Nicolas Lefebvre <nico.lefebvre@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
* | CIFS: Fix endianness conversionPavel Shilovsky2012-09-06
| | | | | | | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* | CIFS: Fix error handling in cifs_push_mandatory_locksPavel Shilovsky2012-09-06
|/ | | | | | Cc: <stable@vger.kernel.org> Signed-off-by: Pavel Shilovsky <pshilovsky@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Fix cifs_do_create error hadnlingPavel Shilovsky2012-08-19
| | | | | | | | | | Commit d2c127197dfc0b2bae62a52e1e0d3e3ff493919e caused a regression in cifs_do_create error handling. Fix this by closing a file handle in the case of a get_inode_info(_unix) error. Also remove unnecessary checks for newinode being NULL. Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* cifs: print error code if smb signature verification failsSteve French2012-08-19
| | | | | | | | | | While trying to debug a SMB signature related issue with Windows Servers figured out it might be easier to debug if we print the error code from cifs_verify_signature(). Also, fix indendation while at it. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Fix log messages in packet checking for SMB2Pavel Shilovsky2012-08-19
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Protect i_nlink from being negativeSteve French2012-08-19
| | | | | | | | | | | | | that can cause warning messages. Pavel had initially suggested a smaller patch around drop_nlink, after a similar problem was discovered NFS. Protecting additional places where nlink is touched was suggested by Jeff Layton and is included in this. Reviewed-by: Pavel Shilovsky <pshilovsky@samba.org> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for rmdirPavel Shilovsky2012-07-27
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move rmdir code to ops structPavel Shilovsky2012-07-27
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for mkdir operationPavel Shilovsky2012-07-27
| | | | | Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Separate protocol specific part from mkdirPavel Shilovsky2012-07-27
| | | | | Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Simplify cifs_mkdir callPavel Shilovsky2012-07-27
| | | | | Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* cifs: ensure that we always do cifsFileInfo_get under the spinlockJeff Layton2012-07-25
| | | | | | | | | | | | | | | | The readpages bug is a regression that was introduced in 6993f74a5. This also fixes a couple of similar bugs in the uncached read and write codepaths. Also, prevent this sort of thing in the future by having cifsFileInfo_get take the spinlock itself, and adding a _locked variant for use in places that are already holding the lock. The _put code has always done that so this makes for a less confusing interface. Cc: <stable@vger.kernel.org> # 3.5.x Reviewed-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Make CAP_* checks protocol independentPavel Shilovsky2012-07-24
| | | | | | | | | | Since both CIFS and SMB2 use ses->capabilities (server->capabilities) field but flags are different we should make such checks protocol independent. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Allow SMB2 statistics to be trackedPavel Shilovsky2012-07-24
| | | | | | | | Since there are only 19 command codes, it also is easier to track by exact command code than it was for cifs. Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move clear/print_stats code to ops structPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add echo request support for SMB2Pavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move echo code to osp structPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for async requestsPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Setup async request in ops structPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for build_path_to_rootPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move building path to root to ops structPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Query SMB2 inode infoPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move query inode info code to ops structPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for is_path_accessiblePavel Shilovsky2012-07-24
| | | | | | | that needs for a successful mount through SMB2 protocol. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move is_path_accessible to ops structPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move informational tcon calls to ops structPavel Shilovsky2012-07-24
| | | | | | | and rename variables in cifs_mount. Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move getting dfs referalls to ops structPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Process reconnects for SMB2 sharesPavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add tree connect/disconnect capability for SMB2Pavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add session setup/logoff capability for SMB2Pavel Shilovsky2012-07-24
| | | | | Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add capability to send SMB2 negotiate messagePavel Shilovsky2012-07-24
| | | | | | | | | and add negotiate request type to let set_credits know that we are only on negotiate stage and no need to make a decision about disabling echos and oplocks. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Respect SMB2 header/max header sizePavel Shilovsky2012-07-24
| | | | | | | | Use SMB2 header size values for allocation and memset because they are bigger and suitable for both CIFS and SMB2. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Make demultiplex_thread work with SMB2 codePavel Shilovsky2012-07-24
| | | | | | | | Now we can process SMB2 messages: check message, get message id and wakeup awaiting routines. Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Fix a wrong pointer in atomic_openPavel Shilovsky2012-07-24
| | | | | | | | | Commit 30d904947459cca2beb69e0110716f5248b31f2a caused a regression in cifs open codepath. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 credits supportPavel Shilovsky2012-07-24
| | | | | | | | | | | For SMB2 protocol we can add more than one credit for one received request: it depends on CreditRequest field in SMB2 response header. Also we divide all requests by type: echoes, oplocks and others. Each type uses its own slot pull. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Make transport routines work with SMB2Pavel Shilovsky2012-07-24
| | | | | | Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Map SMB2 status codes to POSIX errorsSteve French2012-07-24
| | | | | | | | | | | | Add mapping table for 32 bit SMB2 status codes to linux errors. Note that SMB2 does not use DOS/OS2 errors (ever) so mapping to DOS/OS2 errors as a common network subset (as we do for cifs) doesn't help. And note that the set of status codes is much more complete here. Signed-off-by: Steve French <sfrench@us.ibm.com> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 status codesPavel Shilovsky2012-07-24
| | | | | | Reviewed-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Rename 7 error codes to NT_ stylePavel Shilovsky2012-07-24
| | | | | | | | and consider such codes as CIFS errors. Reviewed-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Rename Get/FreeXid and make them work with unsigned intPavel Shilovsky2012-07-24
| | | | | | Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move protocol specific tcon/tdis code to ops structPavel Shilovsky2012-07-24
| | | | | | | | and rename variables around the code changes. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move protocol specific session setup/logoff code to ops structPavel Shilovsky2012-07-24
| | | | | | Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move protocol specific negotiate code to ops structPavel Shilovsky2012-07-24
| | | | | | Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
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