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path: root/fs/cifs/inode.c
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2011-11-11CIFS: Fix DFS handling in cifs_get_file_infoPavel Shilovsky
commit 42274bb22afc3e877ae5abed787b0b09d7dede52 upstream. We should call cifs_all_info_to_fattr in rc == 0 case only. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-05cifs: convert prefixpath delimiters in cifs_build_path_to_rootJeff Layton
Regression from 2.6.39... The delimiters in the prefixpath are not being converted based on whether posix paths are in effect. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=727834 Reported-and-Tested-by: Iain Arnell <iarnell@gmail.com> Reported-by: Patrick Oltmann <patrick.oltmann@gmx.net> Cc: Pavel Shilovsky <piastryyy@gmail.com> Cc: stable@kernel.org Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-27[CIFS] Rename three structures to avoid camel caseSteve French
secMode to sec_mode and cifsTconInfo to cifs_tcon and cifsSesInfo to cifs_ses Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-27CIFS: Add rwpidforward mount optionPavel Shilovsky
Add rwpidforward mount option that switches on a mode when we forward pid of a process who opened a file to any read and write operation. This can prevent applications like WINE from failing on read or write operation on a previously locked file region from the same netfd from another process if we use mandatory brlock style. It is actual for WINE because during a run of WINE program two processes work on the same netfd - share the same file struct between several VFS fds: 1) WINE-server does open and lock; 2) WINE-application does read and write. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-27[CIFS] Migrate from prefixpath logicSteve French
Now we point superblock to a server share root and set a root dentry appropriately. This let us share superblock between mounts like //server/sharename/foo/bar and //server/sharename/foo further. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-26CIFS: Use pid saved from cifsFileInfo in writepages and set_file_sizePavel Shilovsky
We need it to make them work with mandatory locking style because we can fail in a situation like when kernel need to flush dirty pages and there is a lock held by a process who opened file. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-20[CIFS] Fix to problem with getattr caused by invalidate simplification patchSteve French
Fix to earlier "Simplify invalidate part (try #6)" patch That patch caused problems with connectathon test 5. Reviewed-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-19CIFS: Simplify invalidate part (try #5)Pavel Shilovsky
Simplify many places when we call cifs_revalidate/invalidate to make it do what it exactly needs. Reviewed-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-19CIFS: Use invalidate_inode_pages2 instead of invalidate_remote_inode (try #4)Pavel Shilovsky
Use invalidate_inode_pages2 that don't leave pages even if shrink_page_list() has a temp ref on them. It prevents a data coherency problem when cifs_invalidate_mapping didn't invalidate pages but the client thinks that a data from the cache is uptodate according to an oplock level (exclusive or II). Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-19cifs: Remove unused inode number while fetching root inodeShirish Pargaonkar
ino is unused in function cifs_root_iget(). Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-20CIFS: Implement cifs_strict_fsyncPavel Shilovsky
Invalidate inode mapping if we don't have at least Level II oplock in cifs_strict_fsync. Also remove filemap_write_and_wait call from cifs_fsync because it is previously called from vfs_fsync_range. Add file operations' structures for strict cache mode. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-15CIFS: Use d_automount() rather than abusing follow_link()David Howells
Make CIFS use the new d_automount() dentry operation rather than abusing follow_link() on directories. [NOTE: THIS IS UNTESTED!] Signed-off-by: David Howells <dhowells@redhat.com> Cc: Steve French <sfrench@samba.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-01-12switch cifsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-01-09cifs: use CreationTime like an i_generation fieldJeff Layton
Reduce false inode collisions by using the CreationTime like an i_generation field. This way, even if the server ends up reusing a uniqueid after a delete/create cycle, we can avoid matching the inode incorrectly. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-07fs: dcache per-inode inode alias lockingNick Piggin
dcache_inode_lock can be replaced with per-inode locking. Use existing inode->i_lock for this. This is slightly non-trivial because we sometimes need to find the inode from the dentry, which requires d_inode to be stabilised (either with refcount or d_lock). Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-07fs: dcache reduce branches in lookup pathNick Piggin
Reduce some branches and memory accesses in dcache lookup by adding dentry flags to indicate common d_ops are set, rather than having to check them. This saves a pointer memory access (dentry->d_op) in common path lookup situations, and saves another pointer load and branch in cases where we have d_op but not the particular operation. Patched with: git grep -E '[.>]([[:space:]])*d_op([[:space:]])*=' | xargs sed -e 's/\([^\t ]*\)->d_op = \(.*\);/d_set_d_op(\1, \2);/' -e 's/\([^\t ]*\)\.d_op = \(.*\);/d_set_d_op(\&\1, \2);/' -i Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-07fs: dcache remove dcache_lockNick Piggin
dcache_lock no longer protects anything. remove it. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-07fs: scale inode alias listNick Piggin
Add a new lock, dcache_inode_lock, to protect the inode's i_dentry list from concurrent modification. d_alias is also protected by d_lock. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2010-12-07cifs: allow calling cifs_build_path_to_root on incomplete cifs_sbJeff Layton
It's possible that cifs_mount will call cifs_build_path_to_root on a newly instantiated cifs_sb. In that case, it's likely that the master_tlink pointer has not yet been instantiated. Fix this by having cifs_build_path_to_root take a cifsTconInfo pointer as well, and have the caller pass that in. Reported-and-Tested-by: Robbert Kouprie <robbert@exx.nl> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-12-06cifs: fix use of CONFIG_CIFS_ACLJeff Layton
Some of the code under CONFIG_CIFS_ACL is dependent upon code under CONFIG_CIFS_EXPERIMENTAL, but the Kconfig options don't reflect that dependency. Move more of the ACL code out from under CONFIG_CIFS_EXPERIMENTAL and under CONFIG_CIFS_ACL. Also move find_readable_file out from other any sort of Kconfig option and make it a function normally compiled in. Reported-and-Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-12-02cifs: add attribute cache timeout (actimeo) tunableSuresh Jayaraman
Currently, the attribute cache timeout for CIFS is hardcoded to 1 second. This means that the client might have to issue a QPATHINFO/QFILEINFO call every 1 second to verify if something has changes, which seems too expensive. On the other hand, if the timeout is hardcoded to a higher value, workloads that expect strict cache coherency might see unexpected results. Making attribute cache timeout as a tunable will allow us to make a tradeoff between performance and cache metadata correctness depending on the application/workload needs. Add 'actimeo' tunable that can be used to tune the attribute cache timeout. The default timeout is set to 1 second. Also, display actimeo option value in /proc/mounts. It appears to me that 'actimeo' and the proposed (but not yet merged) 'strictcache' option cannot coexist, so care must be taken that we reset the other option if one of them is set. Changes since last post: - fix option parsing and handle possible values correcly Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-30cifs: Misc. cleanup in cifsacl handling [try #4]Shirish Pargaonkar
Change the name of function mode_to_acl to mode_to_cifs_acl. Handle return code in functions mode_to_cifs_acl and cifs_acl_to_fattr. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-29cifs: trivial comment fix for cifs_invalidate_mappingSuresh Jayaraman
Only the callers check whether the invalid_mapping flag is set and not cifs_invalidate_mapping(). Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-11cifs: fix another memleak, in cifs_root_igetOskar Schirmer
cifs_root_iget allocates full_path through cifs_build_path_to_root, but fails to kfree it upon cifs_get_inode_info* failure. Make all failure exit paths traverse clean up handling at the end of the function. Signed-off-by: Oskar Schirmer <oskar@scara.com> Reviewed-by: Jesper Juhl <jj@chaosbits.net> Cc: stable@kernel.org Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-09cifs: fix a memleak in cifs_setattr_nounix()Suresh Jayaraman
Andrew Hendry reported a kmemleak warning in 2.6.37-rc1 while editing a text file with gedit over cifs. unreferenced object 0xffff88022ee08b40 (size 32): comm "gedit", pid 2524, jiffies 4300160388 (age 2633.655s) hex dump (first 32 bytes): 5c 2e 67 6f 75 74 70 75 74 73 74 72 65 61 6d 2d \.goutputstream- 35 42 41 53 4c 56 00 de 09 00 00 00 2c 26 78 ee 5BASLV......,&x. backtrace: [<ffffffff81504a4d>] kmemleak_alloc+0x2d/0x60 [<ffffffff81136e13>] __kmalloc+0xe3/0x1d0 [<ffffffffa0313db0>] build_path_from_dentry+0xf0/0x230 [cifs] [<ffffffffa031ae1e>] cifs_setattr+0x9e/0x770 [cifs] [<ffffffff8115fe90>] notify_change+0x170/0x2e0 [<ffffffff81145ceb>] sys_fchmod+0x10b/0x140 [<ffffffff8100c172>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff The commit 1025774c that removed inode_setattr() seems to have introduced this memleak by returning early without freeing 'full_path'. Reported-by: Andrew Hendry <andrew.hendry@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-10-25cifs: eliminate cifsInodeInfo->write_behind_rc (try #6)Jeff Layton
write_behind_rc is redundant and just adds complexity to the code. What we really want to do instead is to use mapping_set_error to reset the flags on the mapping when we find a writeback error and can't report it to userspace yet. For cifs_flush and cifs_fsync, we shouldn't reset the flags since errors returned there do get reported to userspace. Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de> Reviewed-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-10-12cifs: on multiuser mount, set ownership to current_fsuid/current_fsgid (try #7)Jeff Layton
commit 3aa1c8c2900065a51268430ab48a1b42fdfe5b45 made cifs_getattr set the ownership of files to current_fsuid/current_fsgid when multiuser mounts were in use and when mnt_uid/mnt_gid were non-zero. It should have instead based that decision on the CIFS_MOUNT_OVERR_UID/GID flags. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-10-08Merge branch 'for-next'Steve French
2010-10-08cifs: on multiuser mount, set ownership to current_fsuid/current_fsgid (try #5)Jeff Layton
...when unix extensions aren't enabled. This makes everything on the mount appear to be owned by the current user. This version of the patch differs from previous versions however in that the admin can still force the ownership of all files to appear as a single user via the uid=/gid= options. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-10-06cifs: have find_readable/writable_file filter by fsuidJeff Layton
When we implement multiuser mounts, we'll need to filter filehandles by fsuid. Add a flag for multiuser mounts and code to filter by fsuid when it's set. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-10-06cifs: have cifsFileInfo hold a reference to a tlink rather than tcon pointerJeff Layton
cifsFileInfo needs a pointer to a tcon, but it doesn't currently hold a reference to it. Change it to keep a pointer to a tcon_link instead and hold a reference to it. That will keep the tcon from being freed until the file is closed. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-10-06cifs: add refcounted and timestamped container for holding tconsJeff Layton
Eventually, we'll need to track the use of tcons on a per-sb basis, so that we know when it's ok to tear them down. Begin this conversion by adding a new "tcon_link" struct and accessors that get it. For now, the core data structures are untouched -- cifs_sb still just points to a single tcon and the pointers are just cast to deal with the accessor functions. A later patch will flesh this out. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-09-29cifs: set backing_dev_info on new S_ISREG inodesJeff Layton
Testing on very recent kernel (2.6.36-rc6) made this warning pop: WARNING: at fs/fs-writeback.c:87 inode_to_bdi+0x65/0x70() Hardware name: Dirtiable inode bdi default != sb bdi cifs ...the following patch fixes it and seems to be the obviously correct thing to do for cifs. Cc: stable@kernel.org Acked-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-09-29cifs: add cifs_sb_master_tcon and convert some callers to use itJeff Layton
At mount time, we'll always need to create a tcon that will serve as a template for others that are associated with the mount. This tcon is known as the "master" tcon. In some cases, we'll need to use that tcon regardless of who's accessing the mount. Add an accessor function for the master tcon and go ahead and switch the appropriate places to use it. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-09-29cifs: add function to get a tcon from cifs_sbJeff Layton
When we convert cifs to do multiple sessions per mount, we'll need more than one tcon per superblock. At that point "cifs_sb->tcon" will make no sense. Add a new accessor function that gets a tcon given a cifs_sb. For now, it just returns cifs_sb->tcon. Later it'll do more. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-09-29cifs: make various routines use the cifsFileInfo->tcon pointerJeff Layton
...where it's available and appropriate. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-09-29cifs: use Minshall+French symlink functionsStefan Metzmacher
If configured, Minshall+French Symlinks are used against all servers. If the server supports UNIX Extensions, we still create Minshall+French Symlinks on write, but on read we fallback to UNIX Extension symlinks. Signed-off-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-09-08cifs: eliminate redundant xdev check in cifs_renameJeff Layton
The VFS always checks that the source and target of a rename are on the same vfsmount, and hence have the same superblock. So, this check is redundant. Remove it and simplify the error handling. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-26Cannot allocate memory error on mountSuresh Jayaraman
On 08/26/2010 01:56 AM, joe hefner wrote: > On a recent Fedora (13), I am seeing a mount failure message that I can not explain. I have a Windows Server 2003ýa with a share set up for access only for a specific username (say userfoo). If I try to mount it from Linux,ýusing userfoo and the correct password all is well. If I try with a bad password or with some other username (userbar), it fails with "Permission denied" as expected. If I try to mount as username = administrator, and give the correct administrator password, I would also expect "Permission denied", but I see "Cannot allocate memory" instead. > ýfs/cifs/netmisc.c: Mapping smb error code 5 to POSIX err -13 > ýfs/cifs/cifssmb.c: Send error in QPathInfo = -13 > ýCIFS VFS: cifs_read_super: get root inode failed Looks like the commit 0b8f18e3 assumed that cifs_get_inode_info() and friends fail only due to memory allocation error when the inode is NULL which is not the case if CIFSSMBQPathInfo() fails and returns an error. Fix this by propagating the actual error code back. Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-10Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (96 commits) no need for list_for_each_entry_safe()/resetting with superblock list Fix sget() race with failing mount vfs: don't hold s_umount over close_bdev_exclusive() call sysv: do not mark superblock dirty on remount sysv: do not mark superblock dirty on mount btrfs: remove junk sb_dirt change BFS: clean up the superblock usage AFFS: wait for sb synchronization when needed AFFS: clean up dirty flag usage cifs: truncate fallout mbcache: fix shrinker function return value mbcache: Remove unused features add f_flags to struct statfs(64) pass a struct path to vfs_statfs update VFS documentation for method changes. All filesystems that need invalidate_inode_buffers() are doing that explicitly convert remaining ->clear_inode() to ->evict_inode() Make ->drop_inode() just return whether inode needs to be dropped fs/inode.c:clear_inode() is gone fs/inode.c:evict() doesn't care about delete vs. non-delete paths now ... Fix up trivial conflicts in fs/nilfs2/super.c
2010-08-09cifs: truncate falloutChristoph Hellwig
Remove the calls to inode_newsize_ok given that we already did it as part of inode_change_ok in the beginning of cifs_setattr_(no)unix. No need to call ->truncate if cifs doesn't have one, so remove the explicit call in cifs_vmtruncate, and replace the calls to vmtruncate with truncate_setsize which is vmtruncate minus inode_newsize_ok and the call to ->truncate. Rename cifs_vmtruncate to cifs_setsize to match the new calling conventions. Question 1: why does cifs do the pagecache munging and i_size update twice for each setattr call, once opencoded in cifs_vmtruncate, and once using the VFS helpers? Question 2: what is supposed to be protected by i_lock in cifs_vmtruncate? Do we need it around the call to inode_change_ok? [AV: fixed build breakage] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-08-09always call inode_change_ok early in ->setattrChristoph Hellwig
Make sure we call inode_change_ok before doing any changes in ->setattr, and make sure to call it even if our fs wants to ignore normal UNIX permissions, but use the ATTR_FORCE to skip those. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-08-09remove inode_setattrChristoph Hellwig
Replace inode_setattr with opencoded variants of it in all callers. This moves the remaining call to vmtruncate into the filesystem methods where it can be replaced with the proper truncate sequence. In a few cases it was obvious that we would never end up calling vmtruncate so it was left out in the opencoded variant: spufs: explicitly checks for ATTR_SIZE earlier btrfs,hugetlbfs,logfs,dlmfs: explicitly clears ATTR_SIZE earlier ufs: contains an opencoded simple_seattr + truncate that sets the filesize just above In addition to that ncpfs called inode_setattr with handcrafted iattrs, which allowed to trim down the opencoded variant. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-08-05cifs: reduce false positives with inode aliasing serverino autodisableJeff Layton
It turns out that not all directory inodes with dentries on the i_dentry list are unusable here. We only consider them unusable if they are still hashed or if they have a root dentry attached. Full disclosure -- this check is inherently racy. There's nothing that stops someone from slapping a new dentry onto this inode just after this check, or hashing an existing one that's already attached. So, this is really a "best effort" thing to work around misbehaving servers. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: don't allow cifs_iget to match inodes of the wrong typeJeff Layton
If the type is different from what we think it should be, then don't match the existing inode. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02[CIFS] Missing ifdefSteve French
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: define inode-level cache object and register themSuresh Jayaraman
Define inode-level data storage objects (managed by cifsInodeInfo structs). Each inode-level object is created in a super-block level object and is itself a data storage object in to which pages from the inode are stored. The inode object is keyed by UniqueId. The coherency data being used is LastWriteTime, LastChangeTime and end of file reported by the server. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: define superblock-level cache index objects and register themSuresh Jayaraman
Define superblock-level cache index objects (managed by cifsTconInfo structs). Each superblock object is created in a server-level index object and in itself an index into which inode-level objects are inserted. The superblock object is keyed by sharename. The UniqueId/IndexNumber is used to validate that the exported share is the same since we accessed it last time. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02fs/cifs: Remove unnecessary casts of private_dataJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-06-12cifs: don't attempt busy-file rename unless it's in same directoryJeff Layton
Busy-file renames don't actually work across directories, so we need to limit this code to renames within the same dir. This fixes the bug detailed here: https://bugzilla.redhat.com/show_bug.cgi?id=591938 Signed-off-by: Jeff Layton <jlayton@redhat.com> CC: Stable <stable@kernel.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
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