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2006-04-24[CIFS] Fix compile error when CONFIG_CIFS_EXPERIMENTAL is undefinedSteve French1-1/+4
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-04-23[CIFS] Fix typo in previousSteve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-04-22[CIFS] Readdir fixes to allow search to start at arbitrary positionSteve French7-36/+74
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>
2006-04-21[CIFS] Use the kthread_ API instead of opencoding lots of hairy code for kernelSteve French1-49/+50
thread creation and teardown. It does not move the cifsd thread handling to kthread due to problems found in testing with wakeup of threads blocked in the socket peek api, but the other cifs kernel threads now use kthread. Also cleanup cifs_init to properly unwind when thread creation fails. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-04-21[CIFS] Don't allow a backslash in a path componentSteve French1-0/+14
Unless Posix paths have been negotiated, the backslash, "\", is not a valid character in a path component. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-04-21[CIFS] [CIFS] Do not take rename sem on most path based calls (duringSteve French7-30/+0
building of full path) to avoid hang rename/readdir hang Reported by Alan Tyson Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-31[CIFS] Fix typo in earlier cifs_unlink change and protect oneSteve French1-5/+7
extra path. Since cifs_unlink can also be called from rename path and there was one report of oops am making the extra check for null inode. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-31[CIFS] Incorrect signature sent on SMB ReadSteve French1-13/+23
Fixes Samba bug 3621 and kernel.org bug 6147 For servers which require SMB/CIFS packet signing, we were sending the wrong signature (all zeros) on SMB Read request. The new cifs routine to do signatures across an iovec was not complete - and SMB Read, unlike the new SMBWrite2, did not fall back to the older routine (ie use SendReceive vs. the more efficient SendReceive2 ie used the older cifs_sign_smb vs. the disabled cifs_sign_smb2) for calculating signatures. This finishes up cifs_sign_smb2/cifs_calc_signature2 so that the callers of SendReceive2 can get SMB/CIFS packet signatures. Now that cifs_sign_smb2 is supported, we could start using it in the write path but this smaller fix does not include the change to use SMBWrite2 when signatures are required (which when enabled will make more Writes more efficient and alloc less memory). Currently Write2 is only used when signatures are not required at the moment but after more testing we will enable that as well). Thanks to James Slepicka and Sam Flory for initial investigation. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-31[CIFS] Fix unlink oops when indirectly called in rename error pathSteve French1-1/+4
under heavy stress. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-31Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.gitSteve French11-69/+66
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-28[PATCH] Make most file operations structs in fs/ constArjan van de Ven2-10/+10
This is a conversion to make the various file_operations structs in fs/ const. Basically a regexp job, with a few manual fixups The goal is both to increase correctness (harder to accidentally write to shared datastructures) and reducing the false sharing of cachelines with things that get dirty in .data (while .rodata is nicely read only and thus cache clean) Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26[PATCH] 2tb-files-add-blkcnt_t-fixesAndrew Morton2-7/+7
Cc: Takashi Sato <sho@tnes.nec.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26[PATCH] mempool: use mempool_create_slab_pool()Matthew Dobson1-12/+6
Modify well over a dozen mempool users to call mempool_create_slab_pool() rather than calling mempool_create() with extra arguments, saving about 30 lines of code and increasing readability. Signed-off-by: Matthew Dobson <colpatch@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26[PATCH] Make address_space_operations->sync_page return voidNeilBrown1-2/+4
The only user ignores the return value, and the only instanace (block_sync_page) always returns 0... Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-24[PATCH] s/;;/;/gAlexey Dobriyan1-1/+1
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-24[PATCH] cpuset memory spread: slab cache formatPaul Jackson1-1/+2
Rewrap the overly long source code lines resulting from the previous patch's addition of the slab cache flag SLAB_MEM_SPREAD. This patch contains only formatting changes, and no function change. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-24[PATCH] cpuset memory spread: slab cache filesystemsPaul Jackson1-1/+1
Mark file system inode and similar slab caches subject to SLAB_MEM_SPREAD memory spreading. If a slab cache is marked SLAB_MEM_SPREAD, then anytime that a task that's in a cpuset with the 'memory_spread_slab' option enabled goes to allocate from such a slab cache, the allocations are spread evenly over all the memory nodes (task->mems_allowed) allowed to that task, instead of favoring allocation on the node local to the current cpu. The following inode and similar caches are marked SLAB_MEM_SPREAD: file cache ==== ===== fs/adfs/super.c adfs_inode_cache fs/affs/super.c affs_inode_cache fs/befs/linuxvfs.c befs_inode_cache fs/bfs/inode.c bfs_inode_cache fs/block_dev.c bdev_cache fs/cifs/cifsfs.c cifs_inode_cache fs/coda/inode.c coda_inode_cache fs/dquot.c dquot fs/efs/super.c efs_inode_cache fs/ext2/super.c ext2_inode_cache fs/ext2/xattr.c (fs/mbcache.c) ext2_xattr fs/ext3/super.c ext3_inode_cache fs/ext3/xattr.c (fs/mbcache.c) ext3_xattr fs/fat/cache.c fat_cache fs/fat/inode.c fat_inode_cache fs/freevxfs/vxfs_super.c vxfs_inode fs/hpfs/super.c hpfs_inode_cache fs/isofs/inode.c isofs_inode_cache fs/jffs/inode-v23.c jffs_fm fs/jffs2/super.c jffs2_i fs/jfs/super.c jfs_ip fs/minix/inode.c minix_inode_cache fs/ncpfs/inode.c ncp_inode_cache fs/nfs/direct.c nfs_direct_cache fs/nfs/inode.c nfs_inode_cache fs/ntfs/super.c ntfs_big_inode_cache_name fs/ntfs/super.c ntfs_inode_cache fs/ocfs2/dlm/dlmfs.c dlmfs_inode_cache fs/ocfs2/super.c ocfs2_inode_cache fs/proc/inode.c proc_inode_cache fs/qnx4/inode.c qnx4_inode_cache fs/reiserfs/super.c reiser_inode_cache fs/romfs/inode.c romfs_inode_cache fs/smbfs/inode.c smb_inode_cache fs/sysv/inode.c sysv_inode_cache fs/udf/super.c udf_inode_cache fs/ufs/super.c ufs_inode_cache net/socket.c sock_inode_cache net/sunrpc/rpc_pipe.c rpc_inode_cache The choice of which slab caches to so mark was quite simple. I marked those already marked SLAB_RECLAIM_ACCOUNT, except for fs/xfs, dentry_cache, inode_cache, and buffer_head, which were marked in a previous patch. Even though SLAB_RECLAIM_ACCOUNT is for a different purpose, it marks the same potentially large file system i/o related slab caches as we need for memory spreading. Given that the rule now becomes "wherever you would have used a SLAB_RECLAIM_ACCOUNT slab cache flag before (usually the inode cache), use the SLAB_MEM_SPREAD flag too", this should be easy enough to maintain. Future file system writers will just copy one of the existing file system slab cache setups and tend to get it right without thinking. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-24[PATCH] vfs: MS_VERBOSE should be MS_SILENTTheodore Ts'o1-1/+1
The meaning of MS_VERBOSE is backwards; if the bit is set, it really means, "don't be verbose". This is confusing and counter-intuitive. In addition, there is also no way to set the MS_VERBOSE flag in the mount(8) program in util-linux, but interesting, it does define options which would do the right thing if MS_SILENT were defined, which unfortunately we do not: #ifdef MS_SILENT { "quiet", 0, 0, MS_SILENT }, /* be quiet */ { "loud", 0, 1, MS_SILENT }, /* print out messages. */ #endif So the obvious fix is to deprecate the use of MS_VERBOSE and replace it with MS_SILENT. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-23[PATCH] sem2mutex: vfs_rename_mutexArjan van de Ven7-34/+34
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Al Viro <viro@ftp.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22It's UTF-8Alexey Dobriyan1-1/+1
Fix some comments to "UTF-8". Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-03-09[CIFS] Fix two remaining coverity scan tool warnings.Steve French2-5/+7
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-05[CIFS] Always match oplock break (cache notification) to the right tcpSteve French3-4/+4
session when multiply mounted. Fixes slow response when cifs client is mounted to shares on multiple servers and oplock break occurs (usually due to attempt to multiply open a file). When treeids on mutiple mounted shares match and we find the wrong match first, we searched for the wrong cached files to send oplock break response for which usually meant that no matching file was found and thus the server would have to timeout the notification. Oplock break timeout is about 20 seconds on some servers so this could cause significantly slower performance on file open calls in a few cases (in particular when multiple shares are mounted from multiple servers, tree ids match, and we have a cached file which is later opened multiple times). This was the most important of the bugs that was found and fixed at Connectathon (interoperability testing event) this week. Acked-by: Shaggy (shaggy@austin.ibm.com) Signed-off-by: Steve French (sfrench@us.ibm.com)
2006-03-03[CIFS] Set correct lock type on new posix unlock callSteve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-03[CIFS] Upate cifs change logSteve French1-0/+5
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-03[CIFS] Fix slow oplock break response when mounts to differentSteve French3-4/+4
servers have same tid and we try to match oplock break to wrong tid. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-03[CIFS] Workaround various server bugs found in testing at connectathonSteve French5-5/+14
- 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>
2006-03-02[CIFS] Allow fallback for setting file size to Procom SMB server whenSteve French1-1/+1
returns error invalid level Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-02[CIFS] Make POSIX CIFS Extensions SetFSInfo match exactly what we wantSteve French4-18/+42
not just the posix path feature. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-02[CIFS] Move noisy debug message (triggerred by some older servers) fromSteve French1-5/+8
error to informational unless frame is rejected. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-01[CIFS] Use correct pid on new cifs posix byte range lock callSteve French1-0/+2
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-02-28[CIFS] Add posix (advisory) byte range locking support to cifs clientSteve French5-22/+137
Samba (version 3) server support for this is also currently being done. This client code is in an experimental path (requires enabling /proc/fs/cifs/Experimental) while it is being tested. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-02-28[CIFS] CIFS readdir perf optimizations part 1Steve French3-11/+27
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-02-26[CIFS] Free small buffers earlier so we exceed the cifsSteve French3-13/+18
small req buffer pool less often. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-02-24[CIFS] Fix large (ie over 64K for MaxCIFSBufSize) buffer case for wrappingSteve French3-13/+24
bcc on read response and for wrapping sessionsetup maxbufsize field Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-02-22Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.gitSteve French2-7/+8
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-02-22[PATCH] CIFS: CIFSSMBRead was returning an invalid pointer in buf on socket ↵Steve French2-7/+8
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>
2006-02-21[CIFS] Convert remaining places in fs/cifs fromEric Sesterhenn4-13/+5
kmalloc/memset to simpler kzalloc usage Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-02-15Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.gitSteve French1-6/+8
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-02-14[PATCH] CIFS: fix cifs_user_read oops when null SMB response on ↵Steve French1-6/+8
forcedirectio mount This patch fixes an oops reported by Adrian Bunk in cifs_user_read when a null read response is returned on a forcedirectio mount. 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>
2006-02-14[CIFS] SessionSetup cleanup part 2Steve French7-13/+161
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>
2006-02-10[CIFS] fix compile error (typo) and warning in cifssmb.cSteve French1-1/+2
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-02-09[CIFS] Cleanup NTLMSSP session setup handlingSteve French7-33/+53
Fix to hash NTLMv2 properly will follow. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-01-27[CIFS] Remove compiler warningSteve French1-1/+2
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-01-27Signed-off-by: Steve French <sfrench@us.ibm.com>Steve French1-1/+7
2006-01-24[CIFS] Make cifs default wsize match what we actually want to send (52KSteve French1-1/+9
typically - header + 13 pages). Forgetting to set wsize on the mount command costs more than 10% on large write (can be much more) so this makes a saner default. We still shrink this default smaller if server can not support it. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-01-23[CIFS] Do not zero non-existent iovec in SendReceive response processing.Steve French1-1/+0
Could cause memory leak in some readpaths depending on what junk followed it in the stack. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-01-18[CIFS] Fix oops in cifs_readpages caused by not checking buf_type in anSteve French1-1/+4
error path of new cifs_readpages code. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-01-17[CIFS] Remove compiler warningSteve French1-1/+1
Signed-off-by: Benoit Boissinot <benoit.boissinot@ens-lyon.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-01-13[CIFS] Fix CIFS to recognize share mode securitySteve French4-15/+41
Fix Samba bugzilla bug 3301 In share mode encrypted password must be sent on tree connection (in our case only the NTLM password is sent, not the older LANMAN one). Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-01-12[CIFS] Fix typoSteve French1-1/+0
Signed-off-by: Steve French <sfrench@us.ibm.com>
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