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path: root/fs/cifs/readdir.c
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* [CIFS] Fix possible double free if search immediately after search rewind failsShirish Pargaonkar2008-07-24
| | | | | Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* on non-posix shares, clear write bits in mode when ATTR_READONLY is setJeff Layton2008-05-23
| | | | | | | | | | | | | | | When mounting a share with posix extensions disabled, cifs_get_inode_info turns off all the write bits in the mode for regular files if ATTR_READONLY is set. Directories and other inode types, however, can also have ATTR_READONLY set, but the mode gives no indication of this. This patch makes this apply to other inode types besides regular files. It also cleans up how modes are set in cifs_get_inode_info for both the "normal" and "dynperm" cases. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] remove unused variablesSteve French2008-05-23
| | | | | CC: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] don't explicitly do a FindClose on rewind when directory search has endedSteve French2008-05-13
| | | | | | | | | | | | | | | | | | | Do the following series of operations on a CIFS share: opendir(dir) readdir(dir) unlink(file in dir) rewinddir(dir) readdir(dir) If the readdir read all entries in the directory this will make CIFS throw an error like this: CIFS VFS: Send error in FindClose = -9 CIFS requests "Close at end of search" of the server by setting this bit when issuing FindFirst or FindNext. Therefore when all search entries are returned, the server may return "end of search" and close the search implicitly when this bit is set by the client on the request. We check for this when a readdir is explicitly closed - but when the client notices that a directory has changed after the last operation, we attempt to close the directory before reopening by reissuing a second FindFirst. But, the directory may already been implicitly closed (due to end of search) because the first readdir finished. So we only want to issue a FindClose call in this case when we don't expect it to already be closed. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] convert usage of implicit booleans to boolSteve French2008-04-28
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] clean up some hard to read ifdefsSteve French2008-02-12
| | | | | | | | Christoph had noticed too many ifdefs in the CIFS code making it hard to read. This patch removes about a quarter of them from the C files in cifs by improving a few key ifdefs in the .h files. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] reduce checkpatch warningsSteve French2008-02-07
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix stale mode after readdir when cifsacl specifiedSteve French2007-11-08
| | | | | | | | | | | | | | | | | | When mounted with cifsacl mount option, readdir can not instantiate the inode with the estimated mode based on the ACL for each file since we have not queried for the ACL for each of these files yet. So set the refresh time to zero for these inodes so that the next stat will cause the client to go to the server for the ACL info so we can build the estimated mode (this means we also will issue an extra QueryPathInfo if the stat happens within 1 second, but this is trivial compared to the time required to open/getacl/close for each). ls -l is slower when cifsacl mount option is specified, but displays correct mode information. Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix walking out end of cifs daclSteve French2007-11-05
| | | | | Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] remove two sparse warningsSteve French2007-10-12
| | | | | Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] formatting cleanup found by checkpatchSteve French2007-08-30
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Allow disabling CIFS Unix Extensions as mount optionSteve French2007-07-18
| | | | | | | | | Previously the only way to do this was to umount all mounts to that server, turn off a proc setting (/proc/fs/cifs/LinuxExtensionsEnabled). Fixes Samba bugzilla bug number: 4582 (and also 2008) Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] whitespace/formatting fixesSteve French2007-07-12
| | | | | | | | | 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>
* [CIFS] more whitespace fixesSteve French2007-07-08
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] more whitespace cleanupSteve French2007-07-07
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] whitespace cleanupSteve French2007-07-06
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* header cleaning: don't include smp_lock.h when not usedRandy Dunlap2007-05-08
| | | | | | | | | | | | Remove includes of <linux/smp_lock.h> where it is not used/needed. Suggested by Al Viro. Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc, sparc64, and arm (all 59 defconfigs). Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [CIFS] UID/GID override on CIFS mounts to SambaSteve French2007-04-30
| | | | | | | | | | | | | | | | | | When CIFS Unix Extensions are negotiated we get the Unix uid and gid owners of the file from the server (on the Unix Query Path Info levels), but if the server's uids don't match the client uid's users were having to disable the Unix Extensions (which turned off features they still wanted). The changeset patch allows users to override uid and/or gid for file/directory owner with a default uid and/or gid specified at mount (as is often done when mounting from Linux cifs client to Windows server). This changeset also displays the uid and gid used by default in /proc/mounts (if applicable). Also cleans up code by adding some of the missing spaces after "if" keywords per-kernel style guidelines (as suggested by Randy Dunlap when he reviewed the patch). Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Replace kmalloc/memset combination with kzallocvignesh2007-04-25
| | | | | Signed-off-by: Vignesh Babu <vignesh.babu@wipro.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Remove unnecessary checksChristoph Hellwig2007-04-02
| | | | | | | | | file->f_path.dentry or file->f_path.dentry.d_inode can't be NULL since at least ten years, similar for all but very few arguments passed in from the VFS. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] reset mode when client notices that ATTR_READONLY is no longer setAlan Tyson2007-03-10
| | | | | | Signed-off-by: Alan Tyso <atyson@hp.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix locking problem around some cifs uses of i_size writeSteve French2007-02-26
| | | | | | | | | | | | | | | Could cause hangs on smp systems in i_size_read on a cifs inode whose size has been previously simultaneously updated from different processes. Thanks to Brian Wang for some great testing/debugging on this hard problem. Fixes kernel bugzilla #7903 CC: Shirish Pargoankar <shirishp@us.ibm.com> CC: Shaggy <shaggy@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] mtime bounces from local to remote when cifs nocmtime i_flags overwrittenSteve French2007-02-16
| | | | | | | | | | atime flag was also overwritten. Noticed by Shirish when he was debugging an atime problem. Should help performance a bit too. cifs should be getting time stamps from the server (that was the original intent too) Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Allow update of EOF on remote extend of fileSteve French2007-02-08
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Minor cleanupSteve French2007-02-06
| | | | | | Missing tab. Missing entry in changelog Signed-off-by: Steve French <sfrench@us.ibm.com>
* [PATCH] cifs: change uses of f_{dentry, vfsmnt} to use f_pathJosef "Jeff" Sipek2006-12-08
| | | | | | | | | Change all the uses of f_{dentry,vfsmnt} to f_path.{dentry,mnt} in the cifs filesystem. Signed-off-by: Josef "Jeff" Sipek <jsipek@cs.sunysb.edu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [CIFS] Fix readdir breakage when blocksize set too smallSteve French2006-10-30
| | | | | | | | | Do not treat filldir running out of space as an error that needs to be returned. Fixes Redhat bugzilla bug # 211070 Signed-off-by: Steve French <sfrench@us.ibm.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2006-10-13
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: (27 commits) [CIFS] Missing flags2 for DFS [CIFS] Workaround incomplete byte length returned by some [CIFS] cifs Kconfig: don't select CONNECTOR [CIFS] Level 1 QPathInfo needed for proper OS2 support [CIFS] fix typo in previous patch [CIFS] Fix old DOS time conversion to handle timezone [CIFS] Do not need to adjust for Jan/Feb for leap day [CIFS] Fix leaps year calculation for years after 2100 [CIFS] readdir (ffirst) enablement of accurate timestamps from legacy servers [CIFS] Fix compiler warning with previous patch [CIFS] Fix typo [CIFS] Allow for 15 minute TZs (e.g. Nepal) and be more explicit about [CIFS] Fix readdir of large directories for backlevel servers [CIFS] Allow LANMAN21 support even in both POSIX non-POSIX path [CIFS] Make use of newer QFSInfo dependent on capability bit instead of [CIFS] Do not send newer QFSInfo to legacy servers which can not support it [CIFS] Fix typo in name of new cifs_show_stats [CIFS] Rename server time zone field [CIFS] Handle legacy servers which return undefined time zone [CIFS] CIFS support for /proc/<pid>/mountstats part 1 ... Manual conflict resolution in fs/cifs/connect.c
| * [CIFS] fix typo in previous patchSteve French2006-10-11
| | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * [CIFS] Fix old DOS time conversion to handle timezoneSteve French2006-10-11
| | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * [CIFS] readdir (ffirst) enablement of accurate timestamps from legacy serversSteve French2006-10-06
| | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * [CIFS] Fix readdir of large directories for backlevel serversSteve French2006-10-01
| | | | | | | | | | | | (were not setting all of resume key) Signed-off-by: Steve French <sfrench@us.ibm.com>
| * [CIFS] Legacy time handling for Win9x and OS/2 part 1Steve French2006-09-27
| | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [PATCH] inode-diet: Eliminate i_blksize from the inode structureTheodore Ts'o2006-09-27
|/ | | | | | | | | | | | | | | | This eliminates the i_blksize field from struct inode. Filesystems that want to provide a per-inode st_blksize can do so by providing their own getattr routine instead of using the generic_fillattr() function. Note that some filesystems were providing pretty much random (and incorrect) values for i_blksize. [bunk@stusta.de: cleanup] [akpm@osdl.org: generic_fillattr() fix] Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [CIFS] Fix CIFS readdir access denied when SE Linux enabledSteve French2006-09-06
| | | | | | | | | | | CIFS had one path in which dentry was instantiated before the corresponding inode metadata was filled in. Fixes Redhat bugzilla bug #163493 Signed-off-by: Steve French <sfrench@us.ibm.com> Acked-by: Eric Paris <eparis@redhat.com> Acked-by: Dave Kleikamp <shaggy@austin.ibm.com>
* [CIFS] endian errors in lanman protocol supportSteve French2006-08-15
| | | | | | | | | le16 compared to host-endian constant u8 fed to le32_to_cpu() le16 compared to host-endian constant Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Add support for readdir to legacy serversSteve French2006-06-06
| | | | | | | Fixes oops to OS/2 on ls and removes redundant NTCreateX calls to servers which do not support NT SMBs. Key operations to OS/2 work. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Do not overwrite aopsDave Kleikamp2006-06-01
| | | | | | | | | | | | 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>
* [CIFS] Support for setting up SMB sessions to legacy lanman serversSteve French2006-05-31
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* [CIFS] Cleanup extra whitespace in dmesg logging. Update cifs change logSteve French2006-05-31
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* [CIFS] Fix typo in previousSteve French2006-04-22
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Readdir fixes to allow search to start at arbitrary positionSteve French2006-04-22
| | | | | | | | | 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>
* [CIFS] [CIFS] Do not take rename sem on most path based calls (duringSteve French2006-04-21
| | | | | | | | building of full path) to avoid hang rename/readdir hang Reported by Alan Tyson Signed-off-by: Steve French <sfrench@us.ibm.com>
* Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.gitSteve French2006-03-30
|\ | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * [PATCH] 2tb-files-add-blkcnt_t-fixesAndrew Morton2006-03-26
| | | | | | | | | | | | Cc: Takashi Sato <sho@tnes.nec.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * [PATCH] sem2mutex: vfs_rename_mutexArjan van de Ven2006-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | [CIFS] CIFS readdir perf optimizations part 1Steve French2006-02-27
|/ | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix cifs trying to write to f_opsSteve French2006-01-08
| | | | | | | | | | | | patch 2ea55c01e0c5dfead8699484b0bae2a375b1f61c fixed CIFS clobbering the global fops structure for some per mount setting, by duplicating and having 2 fops structs. However the write to the fops was left behind, which is a NOP in practice (due to the fact that we KNOW the fops has that field set to NULL already due to the duplication). So remove it... In addition, another instance of the same bug was forgotten in november. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix scheduling while atomic when pending writes at file close timeSteve French2005-11-18
| | | | | | | | | | 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>
* [CIFS] Cleanup sparse warnings for unicode little endian castsSteve French2005-11-11
| | | | | | | | 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>
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