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* knfsd: reply cache cleanupsGreg Banks2009-05-271-10/+19
| | | | | | | | Make REQHASH() an inline function. Rename hash_list to cache_hash. Fix an obsolete comment. Signed-off-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* lockd: fix FILE_LOCKING=n build errorRandy Dunlap2009-05-132-1/+3
| | | | | | | | | | | | | | | | | lockd/svclock.c is missing a header file <linux/fs.h>. <linux/fs.h> is missing a definition of locks_release_private() for the config case of FILE_LOCKING=n, causing a build error: fs/lockd/svclock.c:330: error: implicit declaration of function 'locks_release_private' lockd without FILE_LOCKING doesn't make sense, so make LOCKD and LOCKD_V4 depend on FILE_LOCKING, and make NFS depend on FILE_LOCKING. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd: nfs4_stat_init cleanupWang Chen2009-05-061-2/+1Star
| | | | | | | Save some loop time. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd: use C99 struct initializersRandy Dunlap2009-05-031-56/+56
| | | | | | | | | | Eliminate 56 sparse warnings like this one: fs/nfsd/nfs4xdr.c:1331:15: warning: obsolete array initializer, use C99 syntax Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Neil Brown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: make recall callback an asynchronous rpcJ. Bruce Fields2009-05-032-50/+52
| | | | | | As with the probe, this removes the need for another kthread. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: track recall retries in nfs4_delegationJ. Bruce Fields2009-05-021-2/+2
| | | | | | | | | Move this out of a local variable into the nfs4_delegation object in preparation for making this an async rpc call (at which point we'll need any state like this in a common object that's preserved across function calls). Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: remove unused dl_truncJ. Bruce Fields2009-05-022-4/+1Star
| | | | | | | | | | | | There's no point in keeping this field around--it's always zero. (Background: the protocol allows you to tell the client that the file is about to be truncated, as an optimization to save the client from writing back dirty pages that will just be discarded. We don't implement this hint. If we do some day, adding this field back in will be the least of the work involved.) Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: eliminate struct nfs4_cb_recallJ. Bruce Fields2009-05-022-16/+13Star
| | | | | | | | | | | The nfs4_cb_recall struct is used only in nfs4_delegation, so its pointer to the containing delegation is unnecessary--we could just use container_of(). But there's no real reason to have this a separate struct at all--just move these fields to nfs4_delegation. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: rename callback struct to cb_connJ. Bruce Fields2009-05-012-19/+19
| | | | | | | | | | | I want to use the name for a struct that actually does represent a single callback. (Actually, I've never been sure it helps to a separate struct for the callback information. Some day maybe those fields could just be dumped into struct nfs4_client. I don't know.) Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: replace callback thread by asynchronous rpcJ. Bruce Fields2009-04-291-16/+22
| | | | | | | We don't really need a synchronous rpc, and moving to an asynchronous rpc allows us to do without this extra kthread. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: lookup up callback cred only onceJ. Bruce Fields2009-04-292-0/+30
| | | | | | | Lookup the callback cred once and then use it for all subsequent callbacks. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: create rpc callback client from server threadJ. Bruce Fields2009-04-291-15/+16
| | | | | | | | | | | | | The code is a little simpler, and it should be easier to avoid races, if we just do all rpc client creation/destruction from nfsd or laundromat threads and do only the rpc calls themselves asynchronously. The rpc creation doesn't involve any significant waiting (it doesn't call the client, for example), so there's no reason not to do this. Also don't bother destroying the client on failure of the rpc null probe. We may want to retry the probe later anyway. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: set cb_client inside setup_callback_clientJ. Bruce Fields2009-04-291-14/+12Star
| | | | | | This is just a minor code simplification. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: set shorter timeoutJ. Bruce Fields2009-04-291-4/+7
| | | | | | | | | | | We tried to do something overly complicated with the callback rpc timeouts here. And they're wrong--the result is that by the time a single callback times out, it's already too late to tell the client (using the cb_path_down return to RENEW) that the callback is down. Use a much shorter, simpler timeout. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: setclientid_confirm callback-change fixesJ. Bruce Fields2009-04-291-2/+0Star
| | | | | | | | | | | | | | | This setclientid_confirm case should allow the client to change callbacks, but it currently has a dummy implementation that just turns off callbacks completely. That dummy implementation isn't completely correct either, though: - There's no need to remove any client recovery directory in this case. - New clientid confirm verifiers should be generated (and returned) in setclientid; there's no need to generate a new one here. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd: quiet compile warningJ. Bruce Fields2009-04-291-1/+1
| | | | | | | | | | | | | | | Stephen Rothwell said: "Today's linux-next build (powerpc ppc64_defconfig) produced this new warning: fs/nfsd/nfs4state.c: In function 'EXPIRED_STATEID': fs/nfsd/nfs4state.c:2757: warning: comparison of distinct pointer types lacks a cast Caused by commit 78155ed75f470710f2aecb3e75e3d97107ba8374 ("nfsd4: distinguish expired from stale stateids")." Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
* nfsd: support ext4 i_versionJ. Bruce Fields2009-04-292-21/+43
| | | | | | | | | | | | | | | | ext4 supports a real NFSv4 change attribute, which is bumped whenever the ctime would be updated, including times when two updates arrive within a jiffy of each other. (Note that although ext4 has space for nanosecond-precision ctime, the real resolution is lower: it actually uses jiffies as the time-source.) This ensures clients will invalidate their caches when they need to. There is some fear that keeping the i_version up-to-date could have performance drawbacks, so for now it's turned on only by a mount option. We hope to do something better eventually. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Cc: Theodore Tso <tytso@mit.edu>
* nfsd4: delete obsolete xdr commentsJ. Bruce Fields2009-04-291-27/+0Star
| | | | | | | We don't need comments to tell us these macros are ugly. And we're long past trying to share any of this code with the BSD's. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd: eliminate ENCODE_HEAD macroJ. Bruce Fields2009-04-291-24/+22Star
| | | | | | This macro doesn't serve any useful purpose. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: Stricter buffer size checking in fs/nfsd/nfsctl.cChuck Lever2009-04-281-5/+9
| | | | | | | | Clean up: For consistency, handle output buffer size checking in a other nfsctl functions the same way it's done for write_versions(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: Stricter buffer size checking in write_versions()Chuck Lever2009-04-281-7/+25
| | | | | | | | | | | | | | | | | While it's not likely today that there are enough NFS versions to overflow the output buffer in write_versions(), we should be more careful about detecting the end of the buffer. The number of NFS versions will only increase as NFSv4 minor versions are added. Note that this API doesn't behave the same as portlist. Here we attempt to display as many versions as will fit in the buffer, and do not provide any indication that an overflow would have occurred. I don't have any good rationale for that. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: Stricter buffer size checking in write_recoverydir()Chuck Lever2009-04-281-2/+3
| | | | | | | | | While it's not likely a pathname will be longer than SIMPLE_TRANSACTION_SIZE, we should be more careful about just plopping it into the output buffer without bounds checking. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* SUNRPC: pass buffer size to svc_sock_names()Chuck Lever2009-04-281-1/+2
| | | | | | | | | | | | Adjust the synopsis of svc_sock_names() to pass in the size of the output buffer. Add a documenting comment. This is a cosmetic change for now. A subsequent patch will make sure the buffer length is passed to one_sock_name(), where the length will actually be useful. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* SUNRPC: pass buffer size to svc_addsock()Chuck Lever2009-04-281-1/+1
| | | | | | | | | | | | Adjust the synopsis of svc_addsock() to pass in the size of the output buffer. Add a documenting comment. This is a cosmetic change for now. A subsequent patch will make sure the buffer length is passed to one_sock_name(), where the length will actually be useful. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: Prevent a buffer overflow in svc_xprt_names()Chuck Lever2009-04-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | The svc_xprt_names() function can overflow its buffer if it's so near the end of the passed in buffer that the "name too long" string still doesn't fit. Of course, it could never tell if it was near the end of the passed in buffer, since its only caller passes in zero as the buffer length. Let's make this API a little safer. Change svc_xprt_names() so it *always* checks for a buffer overflow, and change its only caller to pass in the correct buffer length. If svc_xprt_names() does overflow its buffer, it now fails with an ENAMETOOLONG errno, instead of trying to write a message at the end of the buffer. I don't like this much, but I can't figure out a clean way that's always safe to return some of the names, *and* an indication that the buffer was not long enough. The displayed error when doing a 'cat /proc/fs/nfsd/portlist' is "File name too long". Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: move lockd_up() before svc_addsock()Chuck Lever2009-04-281-9/+10
| | | | | | | | | | | | | | | | | | | | | | Clean up. A couple of years ago, a series of commits, finishing with commit 5680c446, swapped the order of the lockd_up() and svc_addsock() calls in __write_ports(). At that time lockd_up() needed to know the transport protocol of the passed-in socket to start a listener on the same transport protocol. These days, lockd_up() doesn't take a protocol argument; it always starts both a UDP and TCP listener. It's now more straightforward to try the lockd_up() first, then do a lockd_down() if the svc_addsock() fails. Careful review of this code shows that the svc_sock_names() call is used only to close the just-opened socket in case lockd_up() fails. So it is no longer needed if lockd_up() is done first. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: Finish refactoring __write_ports()Chuck Lever2009-04-281-7/+13
| | | | | | | | Clean up: Refactor transport name listing out of __write_ports() to make it easier to understand and maintain. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: Note an additional requirement when passing TCP sockets to portlistChuck Lever2009-04-281-1/+3
| | | | | | | | | User space must call listen(3) on SOCK_STREAM sockets passed into /proc/fs/nfsd/portlist, otherwise that listener is ignored. Document this. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: Refactor socket creation out of __write_ports()Chuck Lever2009-04-281-30/+34
| | | | | | | | Clean up: Refactor the socket creation logic out of __write_ports() to make it easier to understand and maintain. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: Refactor portlist socket closing into a helperChuck Lever2009-04-281-12/+24
| | | | | | | | Clean up: Refactor the socket closing logic out of __write_ports() to make it easier to understand and maintain. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: Refactor transport addition out of __write_ports()Chuck Lever2009-04-281-23/+33
| | | | | | | | Clean up: Refactor transport addition out of __write_ports() to make it easier to understand and maintain. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* NFSD: Refactor transport removal out of __write_ports()Chuck Lever2009-04-281-24/+29
| | | | | | | | Clean up: Refactor transport removal out of __write_ports() to make it easier to understand and maintain. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* nfsd4: distinguish expired from stale stateidsBian Naimeng2009-04-251-13/+49
| | | | | | | | | | If we encode the time of client creation into the stateid instead of the time of server boot, then we can determine whether that stateid is from a previous instance of the a server, or from a client that has expired, and return an appropriate error to the client. Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* lockd: call locks_release_private to cleanup per-filesystem stateFelix Blyakher2009-04-242-1/+4
| | | | | | | | | | | | | | | | For every lock request lockd creates a new file_lock object in nlmsvc_setgrantargs() by copying the passed in file_lock with locks_copy_lock(). A filesystem can attach it's own lock_operations vector to the file_lock. It has to be cleaned up at the end of the file_lock's life. However, lockd doesn't do it today, yet it asserts in nlmclnt_release_lockargs() that the per-filesystem state is clean. This patch fixes it by exporting locks_release_private() and adding it to nlmsvc_freegrantargs(), to be symmetrical to creating a file_lock in nlmsvc_setgrantargs(). Signed-off-by: Felix Blyakher <felixb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* rpcgss: remove redundant test on unsignedRoel Kluin2009-04-231-9/+4Star
| | | | | Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds2009-04-2110-83/+272
|\ | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: fix btrfs fallocate oops and deadlock Btrfs: use the right node in reada_for_balance Btrfs: fix oops on page->mapping->host during writepage Btrfs: add a priority queue to the async thread helpers Btrfs: use WRITE_SYNC for synchronous writes
| * Btrfs: fix btrfs fallocate oops and deadlockChris Mason2009-04-212-9/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Btrfs fallocate was incorrectly starting a transaction with a lock held on the extent_io tree for the file, which could deadlock. Strictly speaking it was using join_transaction which would be safe, but it is better to move the transaction outside of the lock. When preallocated extents are overwritten, btrfs_mark_buffer_dirty was being called on an unlocked buffer. This was triggering an assertion and oops because the lock is supposed to be held. The bug was calling btrfs_mark_buffer_dirty on a leaf after btrfs_del_item had been run. btrfs_del_item takes care of dirtying things, so the solution is a to skip the btrfs_mark_buffer_dirty call in this case. Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * Btrfs: use the right node in reada_for_balanceChris Mason2009-04-201-5/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | reada_for_balance was using the wrong index into the path node array, so it wasn't reading the right blocks. We never directly used the results of the read done by this function because the btree search is started over at the end. This fixes reada_for_balance to reada in the correct node and to avoid searching past the last slot in the node. It also makes sure to hold the parent lock while we are finding the nodes to read. Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * Btrfs: fix oops on page->mapping->host during writepageChris Mason2009-04-201-8/+32
| | | | | | | | | | | | | | | | | | | | | | | | The extent_io writepage call updates the writepage index in the inode as it makes progress. But, it was doing the update after unlocking the page, which isn't legal because page->mapping can't be trusted once the page is unlocked. This lead to an oops, especially common with compression turned on. The fix here is to update the writeback index before unlocking the page. Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * Btrfs: add a priority queue to the async thread helpersChris Mason2009-04-205-15/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Btrfs is using WRITE_SYNC_PLUG to send down synchronous IOs with a higher priority. But, the checksumming helper threads prevent it from being fully effective. There are two problems. First, a big queue of pending checksumming will delay the synchronous IO behind other lower priority writes. Second, the checksumming uses an ordered async work queue. The ordering makes sure that IOs are sent to the block layer in the same order they are sent to the checksumming threads. Usually this gives us less seeky IO. But, when we start mixing IO priorities, the lower priority IO can delay the higher priority IO. This patch solves both problems by adding a high priority list to the async helper threads, and a new btrfs_set_work_high_prio(), which is used to make put a new async work item onto the higher priority list. The ordering is still done on high priority IO, but all of the high priority bios are ordered separately from the low priority bios. This ordering is purely an IO optimization, it is not involved in data or metadata integrity. Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * Btrfs: use WRITE_SYNC for synchronous writesChris Mason2009-04-205-46/+141
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Part of reducing fsync/O_SYNC/O_DIRECT latencies is using WRITE_SYNC for writes we plan on waiting on in the near future. This patch mirrors recent changes in other filesystems and the generic code to use WRITE_SYNC when WB_SYNC_ALL is passed and to use WRITE_SYNC for other latency critical writes. Btrfs uses async worker threads for checksumming before the write is done, and then again to actually submit the bios. The bio submission code just runs a per-device list of bios that need to be sent down the pipe. This list is split into low priority and high priority lists so the WRITE_SYNC IO happens first. Signed-off-by: Chris Mason <chris.mason@oracle.com>
* | hugetlbfs: return negative error code for bad mount optionAkinobu Mita2009-04-211-2/+1Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes the following BUG: # mount -o size=MM -t hugetlbfs none /huge hugetlbfs: Bad value 'MM' for mount option 'size=MM' ------------[ cut here ]------------ kernel BUG at fs/super.c:996! Due to BUG_ON(!mnt->mnt_sb); in vfs_kern_mount(). Also, remove unused #include <linux/quotaops.h> Cc: William Irwin <wli@holomorphy.com> Cc: <stable@kernel.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixesLinus Torvalds2009-04-212-1/+9
|\ \ | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes: GFS2: Fix page_mkwrite() return code GFS2: Clear dirty bit at end of inode glock sync
| * | GFS2: Fix page_mkwrite() return codeSteven Whitehouse2009-04-201-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | This allows for the possibility of returning VM_FAULT_OOM as well as VM_FAULT_SIGBUS. This ensures that the correct action is taken. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
| * | GFS2: Clear dirty bit at end of inode glock syncSteven Whitehouse2009-04-201-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | The dirty bit can get set during the inode glock sync. Its too complicated to change that at the moment, so this is the quick fix - to clear the bit again at the end of the function. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2009-04-2119-287/+183Star
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: reiserfs: fix j_last_flush_trans_id type fs: Mark get_filesystem_list() as __init function. kill vfs_stat_fd / vfs_lstat_fd Separate out common fstatat code into vfs_fstatat ecryptfs: use memdup_user() ncpfs: use memdup_user() xfs: use memdup_user() sysfs: use memdup_user() btrfs: use memdup_user() xattr: use memdup_user() autofs4: use memchr() in invalid_string() Documentation/filesystems: remove out of date reference to BKL being held Fix i_mutex vs. readdir handling in nfsd fs/compat_ioctl: fix build when !BLOCK Fix autofs_expire() No need for crossing to mountpoint in audit_tag_tree() Safer nfsd_cross_mnt() Touch all affected namespaces on propagation of mount Fix AUTOFS_DEV_IOCTL_REQUESTER_CMD
| * | | fs: Mark get_filesystem_list() as __init function.Tetsuo Handa2009-04-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "int get_filesystem_list(char * buf)" is called by only "static void __init get_fs_names(char *page)". We can mark get_filesystem_list() as "__init". Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | kill vfs_stat_fd / vfs_lstat_fdChristoph Hellwig2009-04-212-71/+52Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's really no reason to keep vfs_stat_fd and vfs_lstat_fd with Oleg's vfs_fstatat. Use vfs_fstatat for the few cases having the directory fd, and switch all others to vfs_stat / vfs_lstat. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | Separate out common fstatat code into vfs_fstatatOleg Drokin2009-04-212-42/+33Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a version incorporating Christoph's suggestion. Separate out common *fstatat functionality into a single function instead of duplicating it all over the code. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | ecryptfs: use memdup_user()Li Zefan2009-04-211-10/+5Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove open-coded memdup_user(). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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