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2012-09-24CIFS: Add open/close file support for SMB2Pavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-24CIFS: Move close code to ops structPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-24CIFS: Move open code to ops structPavel Shilovsky
Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-24CIFS: Replace netfid with cifs_fid struct in cifsFileInfoPavel Shilovsky
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>
2012-09-24CIFS: Add SMB2 support for unlinkPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-24CIFS: Move unlink code to ops structPavel Shilovsky
Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-18cifs: fix return value in cifsConvertToUTF16Jeff Layton
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>
2012-09-06CIFS: Fix endianness conversionPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-06CIFS: Fix error handling in cifs_push_mandatory_locksPavel Shilovsky
Cc: <stable@vger.kernel.org> Signed-off-by: Pavel Shilovsky <pshilovsky@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-08-19CIFS: Fix cifs_do_create error hadnlingPavel Shilovsky
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>
2012-08-19cifs: print error code if smb signature verification failsSteve French
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>
2012-08-19CIFS: Fix log messages in packet checking for SMB2Pavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-08-19CIFS: Protect i_nlink from being negativeSteve French
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>
2012-07-27CIFS: Add SMB2 support for rmdirPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-27CIFS: Move rmdir code to ops structPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-27CIFS: Add SMB2 support for mkdir operationPavel Shilovsky
Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-27CIFS: Separate protocol specific part from mkdirPavel Shilovsky
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-27CIFS: Simplify cifs_mkdir callPavel Shilovsky
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-25cifs: ensure that we always do cifsFileInfo_get under the spinlockJeff Layton
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>
2012-07-24CIFS: Make CAP_* checks protocol independentPavel Shilovsky
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>
2012-07-24CIFS: Allow SMB2 statistics to be trackedPavel Shilovsky
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>
2012-07-24CIFS: Move clear/print_stats code to ops structPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Add echo request support for SMB2Pavel Shilovsky
Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Move echo code to osp structPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Add SMB2 support for async requestsPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Setup async request in ops structPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Add SMB2 support for build_path_to_rootPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Move building path to root to ops structPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Query SMB2 inode infoPavel Shilovsky
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Move query inode info code to ops structPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Add SMB2 support for is_path_accessiblePavel Shilovsky
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>
2012-07-24CIFS: Move is_path_accessible to ops structPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Move informational tcon calls to ops structPavel Shilovsky
and rename variables in cifs_mount. Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Move getting dfs referalls to ops structPavel Shilovsky
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Process reconnects for SMB2 sharesPavel Shilovsky
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Add tree connect/disconnect capability for SMB2Pavel Shilovsky
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Add session setup/logoff capability for SMB2Pavel Shilovsky
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Add capability to send SMB2 negotiate messagePavel Shilovsky
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>
2012-07-24CIFS: Respect SMB2 header/max header sizePavel Shilovsky
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>
2012-07-24CIFS: Make demultiplex_thread work with SMB2 codePavel Shilovsky
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>
2012-07-24CIFS: Fix a wrong pointer in atomic_openPavel Shilovsky
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>
2012-07-24CIFS: Add SMB2 credits supportPavel Shilovsky
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>
2012-07-24CIFS: Make transport routines work with SMB2Pavel Shilovsky
Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Map SMB2 status codes to POSIX errorsSteve French
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>
2012-07-24CIFS: Add SMB2 status codesPavel Shilovsky
Reviewed-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Rename 7 error codes to NT_ stylePavel Shilovsky
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>
2012-07-24CIFS: Rename Get/FreeXid and make them work with unsigned intPavel Shilovsky
Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Move protocol specific tcon/tdis code to ops structPavel Shilovsky
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>
2012-07-24CIFS: Move protocol specific session setup/logoff code to ops structPavel Shilovsky
Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
2012-07-24CIFS: Move protocol specific negotiate code to ops structPavel Shilovsky
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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