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path: root/fs/cifs/cifsfs.h
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2009-03-27constify dentry_operations: CIFSAl Viro1-2/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-02-21[CIFS] Fix multiuser mounts so server does not invalidate earlier security ↵Steve French1-1/+1
contexts When two different users mount the same Windows 2003 Server share using CIFS, the first session mounted can be invalidated. Some servers invalidate the first smb session when a second similar user (e.g. two users who get mapped by server to "guest") authenticates an smb session from the same client. By making sure that we set the 2nd and subsequent vc numbers to nonzero values, this ensures that we will not have this problem. Fixes Samba bug 6004, problem description follows: How to reproduce: - configure an "open share" (full permissions to Guest user) on Windows 2003 Server (I couldn't reproduce the problem with Samba server or Windows older than 2003) - mount the share twice with different users who will be authenticated as guest. noacl,noperm,user=john,dir_mode=0700,domain=DOMAIN,rw noacl,noperm,user=jeff,dir_mode=0700,domain=DOMAIN,rw Result: - just the mount point mounted last is accessible: Signed-off-by: Steve French <sfrench@us.ibm.com>
2009-01-01kill ->dir_notify()Al Viro1-1/+0
Remove the hopelessly misguided ->dir_notify(). The only instance (cifs) has been broken by design from the very beginning; the objects it creates are never destroyed, keep references to struct file they can outlive, nothing that could possibly evict them exists on close(2) path *and* no locking whatsoever is done to prevent races with close(), should the previous, er, deficiencies someday be dealt with. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-12-26[CIFS] fix typoSteve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-12-26[CIFS] add mount option to send mandatory rather than advisory locksSteve French1-1/+1
Some applications/subsystems require mandatory byte range locks (as is used for Windows/DOS/OS2 etc). Sending advisory (posix style) byte range lock requests (instead of mandatory byte range locks) can lead to problems for these applications (which expect that other clients be prevented from writing to portions of the file which they have locked and are updating). This mount option allows mounting cifs with the new mount option "forcemand" (or "forcemandatorylock") in order to have the cifs client use mandatory byte range locks (ie SMB/CIFS/Windows/NTFS style locks) rather than posix byte range lock requests, even if the server would support posix byte range lock requests. This has no effect if the server does not support the CIFS Unix Extensions (since posix style locks require support for the CIFS Unix Extensions), but for mounts to Samba servers this can be helpful for Wine and applications that require mandatory byte range locks. Acked-by: Jeff Layton <jlayton@redhat.com> CC: Alexander Bokovoy <ab@samba.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-10-20[CIFS] undo changes in cifs_rename_pending_delete if it errors outSteve French1-1/+1
The cifs_rename_pending_delete process involves multiple steps. If it fails and we're going to return error, we don't want to leave things in a half-finished state. Add code to the function to undo changes if a call fails. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-09-17cifs: clean up variables in cifs_unlinkJeff Layton1-1/+1
Change parameters to cifs_unlink to match the ones used in the generic VFS. Add some local variables to cut down on the amount of struct dereferencing that needs to be done, and eliminate some unneeded NULL pointer checks on the parent directory inode. Finally, rename pTcon to "tcon" to more closely match standard kernel coding style. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-08-01[CIFS] remove level of indentation from decode_negTokenInitJeff Layton1-1/+1
Most of this function takes place inside of an unnecessary "else" clause. The other 2 cases both return 0, so we can remove some indentation here. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-05-15[CIFS] BKL-removal: convert CIFS over to unlocked_ioctlSteve French1-2/+1
cifs_ioctl doesn't seem to need the BKL for anything, so convert it over to use unlocked_ioctl. Signed-off-by: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-04-29[CIFS] convert usage of implicit booleans to boolSteve French1-8/+0
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-04-25[CIFS] Update cifs version numberSteve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-04-16[CIFS] make cifs_dfs_automount_list_staticSteve French1-2/+0
This patch makes the needlessly global cifs_dfs_automount_list static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-02-07iget: stop CIFS from using iget() and read_inode()David Howells1-0/+1
Stop the CIFS filesystem from using iget() and read_inode(). Replace cifs_read_inode() with cifs_iget(), and call that instead of iget(). cifs_iget() then uses iget_locked() directly and returns a proper error code instead of an inode in the event of an error. cifs_read_super() now returns any error incurred when getting the root inode instead of ENOMEM. cifs_iget() needs examining. The comment "can not call macro FreeXid here since in a void func" is no longer true. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Steven French <sfrench@us.ibm.com> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-25[CIFS] DFS support: provide shrinkable mountsIgor Mammedov1-0/+4
Signed-off-by: Igor Mammedov <niallain@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2008-01-11[CIFS] DFS support patchset: Added mountdataIgor Mammedov1-0/+1
Also cifs_fs_type was made not static for ussage in dfs code. Signed-off-by: Igor Mammedov <niallain@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-11-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds1-1/+1
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: (21 commits) [CIFS] fix oops on second mount to same server when null auth is used [CIFS] Fix stale mode after readdir when cifsacl specified [CIFS] add mode to acl conversion helper function [CIFS] Fix incorrect mode when ACL had deny access control entries [CIFS] Add uid to key description so krb can handle user mounts [CIFS] Fix walking out end of cifs dacl [CIFS] Add upcall files for cifs to use spnego/kerberos [CIFS] add OIDs for KRB5 and MSKRB5 to ASN1 parsing routines [CIFS] Register and unregister cifs_spnego_key_type on module init/exit [CIFS] implement upcalls for SPNEGO blob via keyctl API [CIFS] allow cifs_calc_signature2 to deal with a zero length iovec [CIFS] If no Access Control Entries, set mode perm bits to zero [CIFS] when mount helper missing fix slash wrong direction in share [CIFS] Don't request too much permission when reading an ACL [CIFS] enable get mode from ACL when cifsacl mount option specified [CIFS] ACL support part 8 [CIFS] acl support part 7 [CIFS] acl support part 6 [CIFS] acl support part 6 [CIFS] remove unused funtion compile warning when experimental off ...
2007-11-09[CIFS] add mode to acl conversion helper functionSteve French1-1/+1
Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-10-22exportfs: make struct export_operations constChristoph Hellwig1-1/+1
Now that nfsd has stopped writing to the find_exported_dentry member we an mark the export_operations const Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Neil Brown <neilb@suse.de> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: <linux-ext4@vger.kernel.org> Cc: Dave Kleikamp <shaggy@austin.ibm.com> Cc: Anton Altaparmakov <aia21@cantab.net> Cc: David Chinner <dgc@sgi.com> Cc: Timothy Shimmin <tes@sgi.com> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Hugh Dickins <hugh@veritas.com> Cc: Chris Mason <mason@suse.com> Cc: Jeff Mahoney <jeffm@suse.com> Cc: "Vladimir V. Saveliev" <vs@namesys.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-12[CIFS] CIFS ACL support part 3Steve French1-1/+6
Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-09-17[CIFS] Fallback to standard mkdir if server incorrectly claims support forSteve French1-1/+1
posix ops Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-08-31[CIFS] formatting cleanup found by checkpatchSteve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-07-13[CIFS] whitespace/formatting fixesSteve French1-3/+3
This should be the last big batch of whitespace/formatting fixes. checkpatch warnings for the cifs directory are down about 90% and many of the remaining ones are harder to remove or make the code harder to read. Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-07-07[CIFS] ipv6 support no longer experimentalJeff1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-06-28[CIFS] whitespace fixesSteve French1-7/+8
This changeset brought to you ... by patchcheck.pl Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-04-26[CIFS] Update cifs version to 1.49Steve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-02-27[CIFS] Remove some unused functions/declarationsSteve French1-2/+2
Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-02-14Merge master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds1-1/+1
* master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] on reconnect to Samba - reset the unix capabilities [CIFS] Allow update of EOF on remote extend of file [CIFS] POSIX CIFS Extensions (continued) - POSIX Open [CIFS] Additional POSIX CIFS Extensions infolevels
2007-02-14[CIFS] on reconnect to Samba - reset the unix capabilitiesSteve French1-1/+1
After temporary server or network failure and reconneciton, we were not resending the unix capabilities via SetFSInfo - which confused Samba posix byte range locking code. Discovered by jra Signed-off-by: Steve French <sfrench@us.ibm.com>
2007-02-12[PATCH] Mark struct super_operations constJosef 'Jeff' Sipek1-1/+1
This patch is inspired by Arjan's "Patch series to mark struct file_operations and struct inode_operations const". Compile tested with gcc & sparse. Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-12[PATCH] mark struct inode_operations const 1Arjan van de Ven1-3/+3
Many struct inode_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2006-12-23[CIFS] Update CIFS version numberSteve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-09-28[CIFS] Remove static and unused symbolsSteve French1-1/+1
Most cases of the ones found by Shaggy by "make namespacecheck" could be removed or made static Ack: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-09-21[CIFS] Support deep tree mounts (e.g. mounts to //server/share/path)Steve French1-1/+1
Samba bugzilla #4040 Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-08-12[CIFS] Do not time out posix brl requests when using new posix setfileinfoSteve French1-1/+1
request and do not time out slow requests to a server that is still responding well to other threads Suggested by jra of Samba team Signed-off-by: Steve French <sfrench@us.ibm.com> (cherry picked from 89b57148115479eef074b8d3f86c4c86c96ac969 commit)
2006-06-29[PATCH] mark address_space_operations constChristoph Hellwig1-2/+2
Same as with already do with the file operations: keep them in .rodata and prevents people from doing runtime patching. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Steven French <sfrench@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.gitSteve French1-1/+1
2006-06-23[PATCH] vfs: add lock owner argument to flush operationMiklos Szeredi1-1/+1
Pass the POSIX lock owner ID to the flush operation. This is useful for filesystems which don't want to store any locking state in inode->i_flock but want to handle locking/unlocking POSIX locks internally. FUSE is one such filesystem but I think it possible that some network filesystems would need this also. Also add a flag to indicate that a POSIX locking request was generated by close(), so filesystems using the above feature won't send an extra locking request in this case. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-01[CIFS] Do not overwrite aopsDave Kleikamp1-0/+1
cifs should not be overwriting an element of the aops structure, since the structure is shared by all cifs inodes. Instead define a separate aops structure to suit each purpose. I also took the liberty of replacing a hard-coded 4096 with PAGE_CACHE_SIZE Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steven French <sfrench@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-06-01[CIFS] Missing include shows up on some architecturesSteve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-05-30[CIFS] Fix new POSIX Locking for setting lock_type correctly on unlockSteve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-31Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.gitSteve French1-5/+5
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-03-28[PATCH] Make most file operations structs in fs/ constArjan van de Ven1-5/+5
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>
2006-03-03[CIFS] Workaround various server bugs found in testing at connectathonSteve French1-1/+1
- 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>
2006-02-10[CIFS] Cleanup NTLMSSP session setup handlingSteve French1-1/+1
Fix to hash NTLMv2 properly will follow. Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-12-02[CIFS] Use fsuid (fsgid) more consistently instead of uid/gid inSteve French1-1/+1
assembling smb requests when setuids and Linux protocol extensions enabled and in checking more matching sessions in multiuser mount mode. Pointed out by Shaggy. 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 French1-0/+2
for all mounts just that particular mount. Found by Arjan Vand de Ven Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-10-21[CIFS] Defer close of file handle slightly if there are pending writes thatSteve French1-1/+1
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>
2005-10-10[CIFS] Update cifs version to 1.38Steve French1-1/+1
Signed-off-by: Steve French <sfrench@us.ibm.com>
2005-09-16[CIFS] Fix readdir caching when unlink removes file in current searchSteve French1-1/+1
buffer, and this is followed by a rewind search to just before the deleted entry. Signed-off-by: Steve French (sfrench@us.ibm.com)
2005-08-23[CIFS] Finish up of case-insensitive dentry handling for cifs. ThisSteve French1-0/+1
will eventually (or should eventually) be common code for jfs, smbfs, etc. but in the meantime is small enough and necessary when mounting case insensitive to Windows (nocase). Signed-off-by: Shaggy (shaggy@austin.ibm.com) Signed-off-by: Steve French (sfrench@us.ibm.com)
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