3 Fix oops in ls when Transact2 FindFirst (or FindNext) returns more than one
4 transact response for an SMB request and search entry split across two frames.
5 Add support for lsattr (getting ext2/ext3/reiserfs attr flags from the server)
6 as new protocol extensions. Do not send Get/Set calls for POSIX ACLs
7 unless server explicitly claims to support them in CIFS Unix extensions
8 POSIX ACL capability bit. Fix packet signing when multiuser mounting with
9 different users from the same client to the same server.
13 Fix updates of DOS attributes and time fields so that files on NT4 servers
14 do not get marked delete on close. Display sizes of cifs buffer pools in
15 cifs stats. Fix oops in unmount when cifsd thread being killed by
16 shutdown. Add generic readv/writev and aio support. Report inode numbers
17 consistently in readdir and lookup (when serverino mount option is
18 specified use the inode number that the server reports - for both lookup
19 and readdir, otherwise by default the locally generated inode number is used
20 for inodes created in either path since servers are not always able to
21 provide unique inode numbers when exporting multiple volumes from under one
26 Allow new nouser_xattr mount parm to disable xattr support for user namespace.
27 Do not flag user_xattr mount parm in dmesg. Retry failures setting file time
28 (mostly affects NT4 servers) by retry with handle based network operation.
29 Add new POSIX Query FS Info for returning statfs info more accurately.
30 Handle passwords with multiple commas in them.
34 Fix default mode in sysfs of cifs module parms. Remove old readdir routine.
35 Fix capabilities flags for large readx so as to allow reads larger than 64K.
39 Add module init parm for large SMB buffer size (to allow it to be changed
40 from its default of 16K) which is especially useful for large file copy
41 when mounting with the directio mount option. Fix oops after
42 returning from mount when experimental ExtendedSecurity enabled and
43 SpnegoNegotiated returning invalid error. Fix case to retry better when
44 peek returns from 1 to 3 bytes on socket which should have more data.
45 Fixed path based calls (such as cifs lookup) to handle path names
46 longer than 530 (now can handle PATH_MAX). Fix pass through authentication
47 from Samba server to DC (Samba required dummy LM password).
51 Turn off DNOTIFY (directory change notification support) by default
52 (unless built with the experimental flag) to fix hang with KDE
53 file browser. Fix DNOTIFY flag mappings. Fix hang (in wait_event
54 waiting on an SMB response) in SendReceive when session dies but
55 reconnects quickly from another task. Add module init parms for
56 minimum number of large and small network buffers in the buffer pools,
57 and for the maximum number of simultaneous requests.
61 Add setfacl support to allow setting of ACLs remotely to Samba 3.10 and later
62 and other POSIX CIFS compliant servers. Fix error mapping for getfacl
63 to EOPNOTSUPP when server does not support posix acls on the wire. Fix
64 improperly zeroed buffer in CIFS Unix extensions set times call.
68 Fix internationlization problem in cifs readdir with filenames that map to
69 longer UTF8 strings than the string on the wire was in Unicode. Add workaround
70 for readdir to netapp servers. Fix search rewind (seek into readdir to return
71 non-consecutive entries). Do not do readdir when server negotiates
72 buffer size to small to fit filename. Add support for reading POSIX ACLs from
73 the server (add also acl and noacl mount options).
77 Optionally allow using server side inode numbers, rather than client generated
78 ones by specifying mount option "serverino" - this is required for some apps
79 to work which double check hardlinked files and have persistent inode numbers.
83 Multiple bigendian fixes. On little endian systems (for reconnect after
84 network failure) fix tcp session reconnect code so we do not try first
85 to reconnect on reverse of port 445. Treat reparse points (NTFS junctions)
86 as directories rather than symlinks because we can do follow link on them.
90 Add config option to enable XATTR (extended attribute) support, mapping
91 xattr names in the "user." namespace space to SMB/CIFS EAs. Lots of
92 minor fixes pointed out by the Stanford SWAT checker (mostly missing
93 or out of order NULL pointer checks in little used error paths).
97 Add new mount parm to control whether mode check (generic_permission) is done
98 on the client. If Unix extensions are enabled and the uids on the client
99 and server do not match, client permission checks are meaningless on
100 server uids that do not exist on the client (this does not affect the
101 normal ACL check which occurs on the server). Fix default uid
102 on mknod to match create and mkdir. Add optional mount parm to allow
103 override of the default uid behavior (in which the server sets the uid
104 and gid of newly created files). Normally for network filesystem mounts
105 user want the server to set the uid/gid on newly created files (rather than
106 using uid of the client processes you would in a local filesystem).
110 Make transaction counts more consistent. Merge /proc/fs/cifs/SimultaneousOps
111 info into /proc/fs/cifs/DebugData. Fix oops in rare oops in readdir
112 (in build_wildcard_path_from_dentry). Fix mknod to pass type field
113 (block/char/fifo) properly. Remove spurious mount warning log entry when
114 credentials passed as mount argument. Set major/minor device number in
115 inode for block and char devices when unix extensions enabled.
119 Fix /proc/fs/cifs/Stats and DebugData display to handle larger
120 amounts of return data. Properly limit requests to MAX_REQ (50
121 is the usual maximum active multiplex SMB/CIFS requests per server).
122 Do not kill cifsd (and thus hurt the other SMB session) when more than one
123 session to the same server (but with different userids) exists and one
124 of the two user's smb sessions is being removed while leaving the other.
125 Do not loop reconnecting in cifsd demultiplex thread when admin
126 kills the thread without going through unmount.
130 Do not rename hardlinked files (since that should be a noop). Flush
131 cached write behind data when reopening a file after session abend,
132 except when already in write. Grab per socket sem during reconnect
133 to avoid oops in sendmsg if overlapping with reconnect. Do not
134 reset cached inode file size on readdir for files open for write on
140 Update number of blocks in file so du command is happier (in Linux a fake
141 blocksize of 512 is required for calculating number of blocks in inode).
142 Fix prepare write of partial pages to read in data from server if possible.
143 Fix race on tcpStatus field between unmount and reconnection code, causing
144 cifsd process sometimes to hang around forever. Improve out of memory
145 checks in cifs_filldir
149 Fix incorrect file size in file handle based setattr on big endian hardware.
150 Fix oops in build_path_from_dentry when out of memory. Add checks for invalid
151 and closing file structs in writepage/partialpagewrite. Add statistics
152 for each mounted share (new menuconfig option). Fix endianness problem in
153 volume information displayed in /proc/fs/cifs/DebugData (only affects
154 affects big endian architectures). Prevent renames while constructing
155 path names for open, mkdir and rmdir.
159 Change to mempools for alloc smb request buffers and multiplex structs
160 to better handle low memory problems (and potential deadlocks).
164 Fix incomplete listings of large directories on Samba servers when Unix
165 extensions enabled. Fix oops when smb_buffer can not be allocated. Fix
166 rename deadlock when writing out dirty pages at same time.
170 Fix open of files in which O_CREATE can cause the mode to change in
171 some cases. Fix case in which retry of write overlaps file close.
172 Fix PPC64 build error. Reduce excessive stack usage in smb password
173 hashing. Fix overwrite of Linux user's view of file mode to Windows servers.
177 Fixes for large file copy, signal handling, socket retry, buffer
178 allocation and low memory situations.
182 Better port 139 support to Windows servers (RFC1001/RFC1002 Session_Initialize)
183 also now allowing support for specifying client netbiosname. NT4 support added.
187 Fix reconnection (and certain failed mounts) to properly wake up the
188 blocked users thread so it does not seem hung (in some cases was blocked
189 until the cifs receive timeout expired). Fix spurious error logging
190 to kernel log when application with open network files killed.
194 Fix /proc/fs module unload warning message (that could be logged
195 to the kernel log). Fix intermittent failure in connectathon
196 test7 (hardlink count not immediately refreshed in case in which
197 inode metadata can be incorrectly kept cached when time near zero)
201 Allow file_mode and dir_mode (specified at mount time) to be enforced
202 locally (the server already enforced its own ACLs too) for servers
203 that do not report the correct mode (do not support the
204 CIFS Unix Extensions).
208 Fix some small memory leaks in some unmount error paths. Fix major leak
209 of cache pages in readpages causing multiple read oriented stress
210 testcases (including fsx, and even large file copy) to fail over time.
214 Send NTCreateX with ATTR_POSIX if Linux/Unix extensions negotiated with server.
215 This allows files that differ only in case and improves performance of file
216 creation and file open to such servers. Fix semaphore conflict which causes
217 slow delete of open file to Samba (which unfortunately can cause an oplock
218 break to self while vfs_unlink held i_sem) which can hang for 20 seconds.
222 fixes to cifs_readpages for fsx test case
226 Fix caching data integrity bug when extending file size especially when no
227 oplock on file. Fix spurious logging of valid already parsed mount options
228 that are parsed outside of the cifs vfs such as nosuid.
233 Connect to server when port number override not specified, and tcp port
234 unitialized. Reset search to restart at correct file when kernel routine
235 filldir returns error during large directory searches (readdir).
239 Fix caching problem when files opened by multiple clients in which
240 page cache could contain stale data, and write through did
241 not occur often enough while file was still open when read ahead
242 (read oplock) not allowed. Treat "sep=" when first mount option
243 as an overrride of comma as the default separator between mount
248 Allow passwords longer than 16 bytes. Allow null password string.
252 Gracefully clean up failed mounts when attempting to mount to servers such as
253 Windows 98 that terminate tcp sessions during prototocol negotiation. Handle
254 embedded commas in mount parsing of passwords.
258 Invalidate local inode cached pages on oplock break and when last file
259 instance is closed so that the client does not continue using stale local
260 copy rather than later modified server copy of file. Do not reconnect
261 when server drops the tcp session prematurely before negotiate
262 protocol response. Fix oops in roepen_file when dentry freed. Allow
263 the support for CIFS Unix Extensions to be disabled via proc interface.
267 Fix hang in commit_write during reconnection of open files under heavy load.
268 Fix unload_nls oops in a mount failure path. Serialize writes to same socket
269 which also fixes any possible races when cifs signatures are enabled in SMBs
270 being sent out of signature sequence number order.
274 Fix byte range locking bug (endian problem) causing bad offset and
279 Fix oops (in send_sig) caused by CIFS unmount code trying to
280 wake up the demultiplex thread after it had exited. Do not log
281 error on harmless oplock release of closed handle.
285 Fix unsafe global variable usage and password hash failure on gcc 3.3.1
286 Fix problem reconnecting secondary mounts to same server after session
287 failure. Fix invalid dentry - race in mkdir when directory gets created
288 by another client between the lookup and mkdir.
292 Fix to list processing in reopen_files. Fix reconnection when server hung
293 but tcpip session still alive. Set proper timeout on socket read.
297 Add missing mount options including iocharset. SMP fixes in write and open.
298 Fix errors in reconnecting after TCP session failure. Fix module unloading
299 of default nls codepage
303 Active smb transactions should never go negative (fix double FreeXid). Fix
304 list processing in file routines. Check return code on kmalloc in open.
305 Fix spinlock usage for SMP.
309 Fix oops in reopen_files when invalid dentry. drop dentry on server rename
310 and on revalidate errors. Fix cases where pid is now tgid. Fix return code
311 on create hard link when server does not support them.
315 Fix scheduling while atomic error in getting inode info on newly created file.
316 Fix truncate of existing files opened with O_CREAT but not O_TRUNC set.
320 Fix oops on write to dead tcp session. Remove error log write for case when file open
321 O_CREAT but not O_EXCL
325 Fix non-POSIX behavior on rename of open file and delete of open file by taking
326 advantage of trans2 SetFileInfo rename facility if available on target server.
327 Retry on ENOSPC and EAGAIN socket errors.
331 Fix oops on big endian readdir. Set blksize to be even power of two (2**blkbits) to fix
332 allocation size miscalculation. After oplock token lost do not read through
337 Fix oops on empty file readahead. Fix for file size handling for locally cached files.
341 Fix oops in mkdir when server fails to return inode info. Fix oops in reopen_files
342 during auto reconnection to server after server recovered from failure.
346 Finish support for Linux 2.5 open/create changes, which removes the
347 redundant NTCreate/QPathInfo/close that was sent during file create.
348 Enable oplock by default. Enable packet signing by default (needed to
349 access many recent Windows servers)
353 Fix oops when mounting to long server names caused by inverted parms to kmalloc.
354 Fix MultiuserMount (/proc/fs/cifs configuration setting) so that when enabled
355 we will choose a cifs user session (smb uid) that better matches the local
356 uid if a) the mount uid does not match the current uid and b) we have another
357 session to the same server (ip address) for a different mount which
358 matches the current local uid.
362 Add support for mknod of block or character devices. Fix oplock
363 code (distributed caching) to properly send response to oplock
368 Finish up CIFS packet digital signing for the default
369 NTLM security case. This should help Windows 2003
370 network interoperability since it is common for
371 packet signing to be required now. Fix statfs (stat -f)
372 which recently started returning errors due to
373 invalid value (-1 instead of 0) being set in the
374 struct kstatfs f_ffiles field.
378 Fix oops on stopping oplock thread when removing cifs when
383 Fix mount options for ro (readonly), uid, gid and file and directory mode.
387 Fix errors displayed on failed mounts to be more understandable.
388 Fixed various incorrect or misleading smb to posix error code mappings.
392 Fix display of NTFS DFS junctions to display as symlinks.
393 They are the network equivalent. Fix oops in
394 cifs_partialpagewrite caused by missing spinlock protection
395 of openfile linked list. Allow writebehind caching errors to
396 be returned to the application at file close.
400 Clean up options displayed in /proc/mounts by show_options to
401 be more consistent with other filesystems.
405 Fix delete of readonly file to Windows servers. Reflect
406 presence or absence of read only dos attribute in mode
407 bits for servers that do not support CIFS Unix extensions.
408 Fix shortened results on readdir of large directories to
409 servers supporting CIFS Unix extensions (caused by
410 incorrect resume key).
414 Fix truncate bug (set file size) that could cause hangs e.g. running fsx
418 unload nls if mount fails.
422 Add resume key support to search (readdir) code to workaround
423 Windows bug. Add /proc/fs/cifs/LookupCacheEnable which
424 allows disabling caching of attribute information for
429 Add more oplock handling (distributed caching code). Remove
430 dead code. Remove excessive stack space utilization from
435 Fix oops in get dfs referral (triggered when null path sent in to
436 mount). Add support for overriding rsize at mount time.
440 Fix buffer overrun in readdir which caused intermittent kernel oopses.
441 Fix writepage code to release kmap on write data. Allow "-ip=" new
442 mount option to be passed in on parameter distinct from the first part
443 (server name portion of) the UNC name. Allow override of the
444 tcp port of the target server via new mount option "-port="
448 Fix search handle leak on rewind. Fix setuid and gid so that they are
449 reflected in the local inode immediately. Cleanup of whitespace
450 to make 2.4 and 2.5 versions more consistent.
455 Fix signal sending so that captive thread (cifsd) exits on umount
456 (which was causing the warning in kmem_cache_free of the request buffers
457 at rmmod time). This had broken as a sideeffect of the recent global
458 kernel change to daemonize. Fix memory leak in readdir code which
459 showed up in "ls -R" (and applications that did search rewinding).
463 Reconnect tids and fids after session reconnection (still do not
464 reconnect byte range locks though). Fix problem caching
465 lookup information for directory inodes, improving performance,
466 especially in deep directory trees. Fix various build warnings.
470 Finish fixes to commit write for caching/readahead consistency. fsx
471 now works to Samba servers. Fix oops caused when readahead
472 was interrupted by a signal.
476 Fix data corruption (in partial page after truncate) that caused fsx to
477 fail to Windows servers. Cleaned up some extraneous error logging in
478 common error paths. Add generic sendfile support.
482 Fix memory leak in AllocMidQEntry.
483 Finish reconnection logic, so connection with server can be dropped
484 (or server rebooted) and the cifs client will reconnect.
488 Fix temporary socket leak when bad userid or password specified
489 (or other SMBSessSetup failure). Increase maximum buffer size to slightly
490 over 16K to allow negotiation of up to Samba and Windows server default read
491 sizes. Add support for readpages
495 Fix oops when username not passed in on mount. Extensive fixes and improvements
496 to error logging (strip redundant newlines, change debug macros to ensure newline
497 passed in and to be more consistent). Fix writepage wrong file handle problem,
498 a readonly file handle could be incorrectly used to attempt to write out
499 file updates through the page cache to multiply open files. This could cause
500 the iozone benchmark to fail on the fwrite test. Fix bug mounting two different
501 shares to the same Windows server when using different usernames
502 (doing this to Samba servers worked but Windows was rejecting it) - now it is
503 possible to use different userids when connecting to the same server from a
504 Linux client. Fix oops when treeDisconnect called during unmount on
505 previously freed socket.
509 Fix oops in readpages caused by not setting address space operations in inode in
514 Includes support for deleting of open files and renaming over existing files (per POSIX
515 requirement). Add readlink support for Windows junction points (directory symlinks).
519 Changed read and write to go through pagecache. Added additional address space operations.
520 Memory mapped operations now working.
524 Added writepage code for additional memory mapping support. Fixed leak in xids causing
525 the simultaneous operations counter (/proc/fs/cifs/SimultaneousOps) to increase on
526 every stat call. Additional formatting cleanup.
530 Fix bigendian bug in order of time conversion. Merge 2.5 to 2.4 version. Formatting cleanup.
534 Fixes from Zwane Mwaikambo for adding missing return code checking in a few places.
535 Also included a modified version of his fix to protect global list manipulation of
536 the smb session and tree connection and mid related global variables.
540 Fix problem with captive thread hanging around at unmount time. Adjust to 2.5.42-pre
541 changes to superblock layout. Remove wasteful allocation of smb buffers (now the send
542 buffer is reused for responses). Add more oplock handling. Additional minor cleanup.
546 More stylistic updates to better match kernel style. Add additional statistics
547 for filesystem which can be viewed via /proc/fs/cifs. Add more pieces of NTLMv2
548 and CIFS Packet Signing enablement.
552 Replace call to sleep_on with safer wait_on_event.
553 Make stylistic changes to better match kernel style recommendations.
554 Remove most typedef usage (except for the PDUs themselves).
558 Update mount so the -unc mount option is no longer required (the ip address can be specified
559 in a UNC style device name. Implementation of readpage/writepage started.
563 Fix intermittent problem with incorrect smb header checking on badly
564 fragmented tcp responses
568 Fixes to setting of allocation size and file size.
572 Various 2.5.38 fixes. Now works on 2.5.38
576 Prepare for 2.5 kernel merge. Remove ifdefs.
580 Socket buffer management fixes. Fix dual free.
584 Various big endian fixes for hardlinks and symlinks and also for dfs.
588 Various big endian fixes for servers with Unix extensions such as Samba
592 Various FindNext fixes for incorrect filenames on large directory searches on big endian
593 clients. basic posix file i/o tests now work on big endian machines, not just le
597 SessionSetup and NegotiateProtocol now work from Big Endian machines.
598 Various Big Endian fixes found during testing on the Linux on 390. Various fixes for compatibility with older
599 versions of 2.4 kernel (now builds and works again on kernels at least as early as 2.4.7).
603 Various minor fixes for Connectathon Posix "basic" file i/o test suite. Directory caching fixed so hardlinked
604 files now return the correct rumber of links on fstat as they are repeatedly linked and unlinked.
608 Implemented "Raw" (i.e. not encapsulated in SPNEGO) NTLMSSP (i.e. the Security Provider Interface used to negotiate
609 session advanced session authentication). Raw NTLMSSP is preferred by Windows 2000 Professional and Windows XP.
610 Began implementing support for SPNEGO encapsulation of NTLMSSP based session authentication blobs
611 (which is the mechanism preferred by Windows 2000 server in the absence of Kerberos).
615 Introduced optional mount helper utility mount.cifs and made coreq changes to cifs vfs to enable
616 it. Fixed a few bugs in the DFS code (e.g. bcc two bytes too short and incorrect uid in PDU).
620 Rewrote much of connection and mount/unmount logic to handle bugs with
621 multiple uses to same share, multiple users to same server etc.
625 Fixed major problem with dentry corruption (missing call to dput)
629 Rewrite of readdir code to fix bug. Various fixes for bigendian machines.
630 Begin adding oplock support. Multiusermount and oplockEnabled flags added to /proc/fs/cifs
631 although corresponding function not fully implemented in the vfs yet
635 Fixed dentry caching bug, misc. cleanup
639 Fixed 2.5 support to handle build and configure changes as well as misc. 2.5 changes. Now can build
640 on current 2.5 beta version (2.5.24) of the Linux kernel as well as on 2.4 Linux kernels.
641 Support for STATUS codes (newer 32 bit NT error codes) added. DFS support begun to be added.
645 Unix extensions (symlink, readlink, hardlink, chmod and some chgrp and chown) implemented
646 and tested against Samba 2.2.5
651 1) Fixed lockrange to be correct (it was one byte too short)
653 2) Fixed GETLK (i.e. the fcntl call to test a range of bytes in a file to see if locked) to correctly
654 show range as locked when there is a conflict with an existing lock.
656 3) default file perms are now 2767 (indicating support for mandatory locks) instead of 777 for directories
657 in most cases. Eventually will offer optional ability to query server for the correct perms.
659 3) Fixed eventual trap when mounting twice to different shares on the same server when the first succeeded
660 but the second one was invalid and failed (the second one was incorrectly disconnecting the tcp and smb
663 4) Fixed error logging of valid mount options
665 5) Removed logging of password field.
667 6) Moved negotiate, treeDisconnect and uloggoffX (only tConx and SessSetup remain in connect.c) to cifssmb.c
668 and cleaned them up and made them more consistent with other cifs functions.
670 7) Server support for Unix extensions is now fully detected and FindFirst is implemented both ways
671 (with or without Unix exentions) but FindNext and QueryPathInfo with the Unix extensions are not completed,
672 nor is the symlink support using the Unix extensions
674 8) Started adding the readlink and follow_link code
git://ftp.safe.ca / safe / jmp / linux-2.6 / blob