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2006-01-08[PATCH] Fix and add EXPORT_SYMBOL(filemap_write_and_wait)OGAWA Hirofumi2-6/+3
This patch add EXPORT_SYMBOL(filemap_write_and_wait) and use it. See mm/filemap.c: And changes the filemap_write_and_wait() and filemap_write_and_wait_range(). Current filemap_write_and_wait() doesn't wait if filemap_fdatawrite() returns error. However, even if filemap_fdatawrite() returned an error, it may have submitted the partially data pages to the device. (e.g. in the case of -ENOSPC) <quotation> Andrew Morton writes, If filemap_fdatawrite() returns an error, this might be due to some I/O problem: dead disk, unplugged cable, etc. Given the generally crappy quality of the kernel's handling of such exceptions, there's a good chance that the filemap_fdatawait() will get stuck in D state forever. </quotation> So, this patch doesn't wait if filemap_fdatawrite() returns the -EIO. Trond, could you please review the nfs part? Especially I'm not sure, nfs must use the "filemap_fdatawrite(inode->i_mapping) == 0", or not. Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-29[CIFS] For previous fix, mode on mkdir needed S_IFDIR left out.Steve French1-0/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-29[CIFS] Missing parenthesis and typo in previous fixSteve French2-2/+3
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-29[CIFS] Fix umount --force to wake up the pending response queue, not justSteve French5-8/+62
the request queue. Also periodically wakeup response_q so threads can check if stuck requests have timed out. Workaround Windows server illegal smb length on transact2 findfirst response. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-29[CIFS] Fix missing permission check on setattr when noperm mount option isSteve French5-13/+60
disabled. Also set mode, uid, gid better on mkdir and create for the case when Unix Extensions is not enabled and setuids is enabled. This is necessary to fix the hole in which chown could be allowed for non-root users in some cases if root mounted, and also to display the mode and uid properly in some cases. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-28[CIFS] When file is deleted locally but later recreated on the serverSteve French3-20/+35
fix cifs negative dentries so they are freed faster (not requiring umount or readdir e.g.) so the client recognizes the new file on the server more quickly. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-19[CIFS] Fix setattr of mode only (e.g. in some chmod cases) to WindowsSteve French1-0/+1
so it does not return EACCESS (unless server really returns that). Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-18[CIFS] Fix mknod of block and chardev over SFU mountsSteve French3-13/+62
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-18[CIFS] Missing part of previous patchSteve French2-0/+3
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-18[CIFS] Fix scheduling while atomic when pending writes at file close timeSteve French2-22/+56
Fix the case in which readdir reset file type when SFU mount option specified. Also fix sfu related functions to not request EAs (xattrs) when not configured in Kconfig Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-17[CIFS] Vectored and async i/o turned on and correct theSteve French1-72/+45
writev and aio_write to flush properly. This is Christoph's patch merged with the new nobrl file operations Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> From: Christoph Hellwig <hch@lst.de> - support vectored and async aio ops unconditionally - this is above the pagecache and transparent to the fs - remove cifs_read_wrapper. it was only doing silly checks and calling generic_file_write in all cases. - use do_sync_read/do_sync_write as read/write operations. They call ->readv/->writev which we now always implemente. - add the filemap_fdatawrite calls to writev/aio_write which were missing previously compared to plain write. no idea what the point behind them is, but let's be consistent at least.. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steven French <sfrench@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2005-11-17[CIFS] Recognize properly symlinks and char/blk devices (not justSteve French1-4/+44
FIFOs) created by SFU (part 2 of 2). Thanks to Martin Koeppe for useful analysis. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-16[CIFS] Fix sparse warnings on smb bcc (byte count)Steve French2-3/+3
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-15[CIFS] Fix endian errors (setfacl/getfacl failures) in handling ACLsSteve French1-14/+17
(and a ppc64 compiler warning) Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-15[CIFS] Recognize properly symlinks and char/blk devices (not just FIFOs)Steve French2-10/+66
created by SFU (part 1 of 2). Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-11[CIFS] Cleanup sparse warnings for unicode little endian castsSteve French7-68/+60
Following Shaggy's suggestion, do a better job on the unicode string handling routines in cifs in specifying that the wchar_t are really little endian widechars (__le16). Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-11[CIFS] Fix CIFS "nobrl" mount option so does not disable sending brl requestsSteve French4-17/+75
for all mounts just that particular mount. Found by Arjan Vand de Ven Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-10[CIFS] Reduce sparse endian warningsSteve French1-2/+3
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-10[CIFS] Update CIFS change logSteve French2-1/+38
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-10[CIFS] Reserve upcall IDX value for CIFS with connector header and addSteve French1-0/+1
Kconfig option for CIFS upcall. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-11-09(no commit message)Steve French1-3/+8
2005-11-09Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.gitSteve French5-92/+45
2005-11-07[PATCH] kfree cleanup: fsJesper Juhl5-92/+45
This is the fs/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in fs/. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-04[CIFS] Update kconfig for cifsSteve French3-5/+1
Add cifs extended stats configure option and reduce experimental code. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-27[CIFS] Change pragma pack(1) to attribute(packed) to allow cifs on arm to accessSteve French3-186/+182
unaligned structures coming in off the wire gcc on arm processors generates very odd code with pragma pack specified - although it does pack the structures in some sense - it does not allow you to access unaligned elements in nested structures at the right offset as other architectures do. Oddly enough though, specifying the structures as packed the long way - one by one with the packed attribute does work. Rather than fighting over whether this is a gcc bug or some obscure side effect of pragma pack, it is easier to do what most (all but 96 other places in the kernel) do - and replace pragma pack with dozens of attribute(packed) structure qualifiers. Much more verbose ... but at least it works. Signed-off-by: David Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com> CG: -----------------------------------------------------------------------
2005-10-21Merge with /pub/scm/linux/kernel/git/sfrench/cifs-2.6.git/Steve French24-545/+2266
2005-10-20[CIFS] Defer close of file handle slightly if there are pending writes thatSteve French5-25/+73
need to get in ahead of it that depend on that file handle. Fixes occassional bad file handle errors on write with heavy use multiple process cases. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-12CIFS: cifs_writepages should not write beyond end of fileSteve French1-2/+13
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-11[CIFS] Add null malloc response check in notify experimental codeSteve French2-14/+20
Signed-off-by: Steve French (sfrench@us.ibm.com)
2005-10-11[CIFS] CIFS Stats improvementsSteve French9-8/+98
New cifs_writepages routine was not updated bytes written in cifs stats. Also added ability to clear /proc/fs/cifs/Stats by writing (0 or 1) to it. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-10[CIFS] Fix oops in experimental notify code (when CONFIG_CIFS_EXPERIMENTALSteve French4-1/+12
was turned on). Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-10[CIFS] Still missing a line from previous fixSteve French1-1/+1
Signed-off-by: Steve French (sfrench@us.ibm.com)
2005-10-10[CIFS] Fix minor build problem with previous changesetSteve French1-5/+8
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-10[CIFS] Do not shrink tcp sndbuf/rcvbuf from their defaultsSteve French1-8/+10
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-10[CIFS] Correct cifs tcp retry when some data sent before getting EAGAIN.Steve French2-2/+20
Continue implementation of cifs umount begin to allow force unmounts of cifs mounts. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-10[CIFS] Update cifs version to 1.38Steve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-10[CIFS] Fix byte range locking to Windows when Windows server returnsSteve French4-12/+32
illegal RFC1001 length (which had caused the lock to block forever until killed).
2005-10-10[CIFS] Fix rsize calculation so that large readx flag is checked.Steve French3-8/+28
Signed-off-by: Steve French (sfrench@us.ibm.com)
2005-10-10[CIFS] Reduce CIFS tcp congestion timeout (it was too long) and backoffSteve French3-11/+22
ever longer amounts (up to 15 seconds). This improves performance especially when using large wsize. Signed-off-by: Steve French (sfrench@us.ibm.com)
2005-10-07[CIFS] /proc/fs/cifs debug code cleanup and new stats2Steve French3-5/+41
These changes to debug code and new stats are helpful in debugging potential tcp performance/configuration problems under cifs. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-05[CIFS] cleanup sparse and compile errors in previous fixSteve French2-4/+3
Signed-off-by: Steve French (sfrench@us.ibm.com)
2005-10-05CIFS: Allow wsize to exceed CIFSMaxBufSizeSteve French3-16/+10
This allows cifs_writepages to send data in larger chunks from the page cache, without requiring larger memory allocations in other cases. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-05CIFS: implement cifs_writepages to perform multi-page I/OSteve French2-11/+190
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-05CIFS: Create routine find_writable_file to reduce redundant codeSteve French3-119/+50
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-03[CIFS] Missing parenthesis from error message in previous fixSteve French1-1/+1
Signed-off-by: Steve French (sfrench@us.ibm.com)
2005-10-03[CIFS] Allow SMBWrite2 to work to older serversSteve French1-7/+22
Signed-off-by: Steve French (sfrench@us.ibm.com)
2005-10-03[CIFS] Add writepages support to shrink memory usage on writes,Steve French5-72/+89
eliminate the double copy, and improve cifs write performance and help the server by upping the typical write size from 4K to 16K (or even larger if wsize set explicitly) for servers which support this. Part 1 of 2 Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-09-23[PATCH] cifs: Add support for suspendSteve French2-0/+4
cifsd had been preventing software suspend from completing. Signed-off-by: pavel@suse.de Signed-off-by: Steve French <sfrench@us.ibm.com> lightly modified Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-22[CIFS] Various minor bigendian fixes and sparse level 2 warning message fixesSteve French8-33/+60
Most important of these fixes mapchars on bigendian and a few statfs fields Signed-off-by: Shaggy (shaggy@austin.ibm.com) Signed-off-by: Steve French (sfrench@us.ibm.com)
2005-09-21[CIFS] Add support for legacy servers part nine. statfs (df and du) is nowSteve French7-10/+107
functional, and the length check is fixed so readdir does not throw a warning message when windows me messes up the response to FindFirst of an empty dir (with only . and ..). Signed-off-by: Steve French (sfrench@us.ibm.com)
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