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* dlm: initialize file_lock struct in GETLK before copying conflicting lockJeff Layton2009-01-211-0/+2
| | | | | | | | | | | | | | | | | dlm_posix_get fills out the relevant fields in the file_lock before returning when there is a lock conflict, but doesn't clean out any of the other fields in the file_lock. When nfsd does a NFSv4 lockt call, it sets the fl_lmops to nfsd_posix_mng_ops before calling the lower fs. When the lock comes back after testing a lock on GFS2, it still has that field set. This confuses nfsd into thinking that the file_lock is a nfsd4 lock. Fix this by making DLM reinitialize the file_lock before copying the fields from the conflicting lock. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: fix plock notify callback to lockdDavid Teigland2009-01-211-2/+2
| | | | | | | | | We should use the original copy of the file_lock, fl, instead of the copy, flc in the lockd notify callback. The range in flc has been modified by posix_lock_file(), so it will not match a copy of the lock in lockd. Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: change rsbtbl rwlock to spinlockDavid Teigland2009-01-085-32/+32
| | | | | | | The rwlock is almost always used in write mode, so there's no reason to not use a spinlock instead. Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: fix seq_file usage in debugfs lock dumpDavid Teigland2009-01-081-359/+337
| | | | | | | | | | | The old code would leak iterators and leave reference counts on rsbs because it was ignoring the "stop" seq callback. The code followed an example that used the seq operations differently. This new code is based on actually understanding how the seq operations work. It also improves things by saving the hash bucket in the position to avoid cycling through completed buckets in start. Siged-off-by: Davd Teigland <teigland@redhat.com>
* Merge branch 'for-linus' of ↵Linus Torvalds2009-01-0512-130/+316
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm: dlm: fs/dlm/ast.c: fix warning dlm: add new debugfs entry dlm: add time stamp of blocking callback dlm: change lock time stamping dlm: improve how bast mode handling dlm: remove extra blocking callback check dlm: replace schedule with cond_resched dlm: remove kmap/kunmap dlm: trivial annotation of be16 value dlm: fix up memory allocation flags
| * dlm: fs/dlm/ast.c: fix warningAndrew Morton2008-12-231-22/+17
| | | | | | | | | | | | | | | | | | | | fs/dlm/ast.c: In function 'dlm_astd': fs/dlm/ast.c:64: warning: 'bastmode' may be used uninitialized in this function Cleans code up. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: add new debugfs entryDavid Teigland2008-12-232-50/+247
| | | | | | | | | | | | | | | | | | The new debugfs entry dumps all rsb and lkb structures, and includes a lot more information than has been available before. This includes the new timestamps added by a previous patch for debugging callback issues. Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: add time stamp of blocking callbackDavid Teigland2008-12-232-0/+3
| | | | | | | | | | | | | | | | Record the time the latest blocking callback was queued for a lock. This will be used for debugging in combination with lock queue timestamp changes in the previous patch. Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: change lock time stampingDavid Teigland2008-12-234-19/+19
| | | | | | | | | | | | | | | | | | Use ktime instead of jiffies for timestamping lkb's. Also stamp the time on every lkb whenever it's added to a resource queue, instead of just stamping locks subject to timeouts. This will allow us to use timestamps more widely for debugging all locks. Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: improve how bast mode handlingDavid Teigland2008-12-235-15/+17
| | | | | | | | | | | | | | | | | | | | | | The lkb bastmode value is set in the context of processing the lock, and read by the dlm_astd thread. Because it's accessed in these two separate contexts, the writing/reading ought to be done under a lock. This is simple to do by setting it and reading it when the lkb is added to and removed from dlm_astd's callback list which is properly locked. Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: remove extra blocking callback checkDavid Teigland2008-12-231-6/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just before delivering a blocking callback (bast), the dlm_astd thread checks again that the granted mode of the lkb actually blocks the mode requested by the bast. The idea behind this was originally that the granted mode may have changed since the bast was queued, making the callback now unnecessary. Reasons for removing this extra check are: - dlm_astd doesn't lock the rsb before reading the lkb grmode, so it's not technically safe (this removes the long standing FIXME) - after running some tests, it doesn't appear the check ever actually eliminates a bast - delivering an unnecessary blocking callback isn't a bad thing and can happen anyway Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: replace schedule with cond_reschedSteven Whitehouse2008-12-231-1/+1
| | | | | | | | | | | | | | | | | | | | This is a one-liner to use cond_resched() rather than schedule() in the ast delivery loop. It should not be necessary to schedule every time, so this will save some cpu time while continuing to allow scheduling when required. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: remove kmap/kunmapSteven Whitehouse2008-12-231-7/+0
| | | | | | | | | | | | | | | | The pages used in lowcomms are not highmem, so kmap is not necessary. Cc: Christine Caulfield <ccaulfie@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: trivial annotation of be16 valueHarvey Harrison2008-12-231-9/+9
| | | | | | | | | | | | | | | | | | fs/dlm/dir.c:419:14: warning: incorrect type in assignment (different base types) fs/dlm/dir.c:419:14: expected unsigned short [unsigned] [addressable] [assigned] [usertype] be_namelen fs/dlm/dir.c:419:14: got restricted __be16 [usertype] <noident> Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: fix up memory allocation flagsSteven Whitehouse2008-12-233-4/+5
| | | | | | | | | | | | | | | | | | | | | | Use ls_allocation for memory allocations, which a cluster fs sets to GFP_NOFS. Use GFP_NOFS for allocations when no lockspace struct is available. Taking dlm locks needs to avoid calling back into the cluster fs because write-out can require taking dlm locks. Cc: Christine Caulfield <ccaulfie@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
* | fix warning in fs/dlm/netlink.cIngo Molnar2008-11-251-1/+1
|/ | | | | | | | | | | | | | | this warning: fs/dlm/netlink.c: In function ‘dlm_timeout_warn’: fs/dlm/netlink.c:131: warning: ‘send_skb’ may be used uninitialized in this function triggers because GCC does not recognize the (correct) error flow between prepare_data() and send_skb. Annotate it. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
* dlm: fix shutdown cleanupDavid Teigland2008-11-131-1/+1
| | | | | | | | | | | | | | | Fixes a regression from commit 0f8e0d9a317406612700426fad3efab0b7bbc467, "dlm: allow multiple lockspace creates". An extraneous 'else' slipped into a code fragment being moved from release_lockspace() to dlm_release_lockspace(). The result of the unwanted 'else' is that dlm threads and structures are not stopped and cleaned up when the final dlm lockspace is removed. Trying to create a new lockspace again afterward will fail with "kmem_cache_create: duplicate cache dlm_conn" because the cache was not previously destroyed. Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: choose better identifiersAndrew Morton2008-09-051-22/+22
| | | | | | | | | | | | | | | | | | | | | | sparc32: fs/dlm/config.c:397: error: expected identifier or '(' before '{' token fs/dlm/config.c: In function 'drop_node': fs/dlm/config.c:589: warning: initialization from incompatible pointer type fs/dlm/config.c:589: warning: initialization from incompatible pointer type fs/dlm/config.c: In function 'release_node': fs/dlm/config.c:601: warning: initialization from incompatible pointer type fs/dlm/config.c:601: warning: initialization from incompatible pointer type fs/dlm/config.c: In function 'show_node': fs/dlm/config.c:717: warning: initialization from incompatible pointer type fs/dlm/config.c:717: warning: initialization from incompatible pointer type fs/dlm/config.c: In function 'store_node': fs/dlm/config.c:726: warning: initialization from incompatible pointer type fs/dlm/config.c:726: warning: initialization from incompatible pointer type Cc: Christine Caulfield <ccaulfie@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: remove bklDavid Teigland2008-09-041-8/+1
| | | | | | BLK from recent pushdown is not needed. Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: fix address compareDavid Teigland2008-09-021-2/+31
| | | | | | | Compare only the addr and port fields of sockaddr structures. Fixes a problem with ipv6 where sin6_scope_id does not match. Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: fix locking of lockspace list in dlm_scandDavid Teigland2008-08-282-2/+26
| | | | | | | The dlm_scand thread needs to lock the list of lockspaces when going through it. Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: detect available userspace daemonDavid Teigland2008-08-284-2/+85
| | | | | | | | | | | | | | | If dlm_controld (the userspace daemon that controls the setup and recovery of the dlm) fails, the kernel should shut down the lockspaces in the kernel rather than leaving them running. This is detected by having dlm_controld hold a misc device open while running, and if the kernel detects a close while the daemon is still needed, it stops the lockspaces in the kernel. Knowing that the userspace daemon isn't running also allows the lockspace create/remove routines to avoid waiting on the daemon for join/leave operations. Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: allow multiple lockspace createsDavid Teigland2008-08-284-61/+109
| | | | | | | | | | Add a count for lockspace create and release so that create can be called multiple times to use the lockspace from different places. Also add the new flag DLM_LSFL_NEWEXCL to create a lockspace with the previous behavior of returning -EEXIST if the lockspace already exists. Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: rename structsDavid Teigland2008-08-131-96/+107
| | | | | | | | | Add a dlm_ prefix to the struct names in config.c. This resolves a conflict with struct node in particular, when include/linux/node.h happens to be included. Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Teigland <teigland@redhat.com>
* dlm: add missing kfreesDavid Teigland2008-08-131-3/+7
| | | | | | | | A couple of unlikely error conditions were missing a kfree on the error exit path. Reported-by: Juha Leppanen <juha_motorsportcom@luukku.com> Signed-off-by: David Teigland <teigland@redhat.com>
* Merge branch 'for-linus' of ↵Linus Torvalds2008-07-283-3/+7
|\ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm: dlm: fix uninitialized variable for search_rsb_list callers dlm: release socket on error dlm: fix basts for granted CW waiting PR/CW dlm: check for null in device_write
| * dlm: fix uninitialized variable for search_rsb_list callersBenny Halevy2008-07-141-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | gcc 4.3.0 correctly emits the following warning. search_rsb_list does not *r_ret if no dlm_rsb is found and _search_rsb may pass the uninitialized value upstream on the error path when both calls to search_rsb_list return non-zero error. The fix sets *r_ret to NULL on search_rsb_list's not-found path. Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: release socket on errorMasatake YAMATO2008-07-141-1/+3
| | | | | | | | | | | | | | | | | | | | It seems that `sock' allocated by sock_create_kern in tcp_connect_to_sock() of dlm/fs/lowcomms.c is not released if dlm_nodeid_to_addr an error. Acked-by: Christine Caulfield <ccaulfie@redhat.com> Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: fix basts for granted CW waiting PR/CWDavid Teigland2008-07-141-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | The fix in commit 3650925893469ccb03dbcc6a440c5d363350f591 was addressing the case of a granted PR lock with waiting PR and CW locks. It's a special case that requires forcing a CW bast. However, that forced CW bast was incorrectly applying to a second condition where the granted lock was CW. So, the holder of a CW lock could receive an extraneous CW bast instead of a PR bast. This fix narrows the original special case to what was intended. Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: check for null in device_writeMasatake YAMATO2008-07-141-1/+1
| | | | | | | | | | | | | | | | | | If `device_write' method is called via "dlm-control", file->private_data is NULL. (See ctl_device_open() in user.c. ) Through proc->flags is read. Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
* | locks: add special return value for asynchronous locksMiklos Szeredi2008-07-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use a special error value FILE_LOCK_DEFERRED to mean that a locking operation returned asynchronously. This is returned by posix_lock_file() for sleeping locks to mean that the lock has been queued on the block list, and will be woken up when it might become available and needs to be retried (either fl_lmops->fl_notify() is called or fl_wait is woken up). f_op->lock() to mean either the above, or that the filesystem will call back with fl_lmops->fl_grant() when the result of the locking operation is known. The filesystem can do this for sleeping as well as non-sleeping locks. This is to make sure, that return values of -EAGAIN and -EINPROGRESS by filesystems are not mistaken to mean an asynchronous locking. This also makes error handling in fs/locks.c and lockd/svclock.c slightly cleaner. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Matthew Wilcox <matthew@wil.cx> Cc: David Teigland <teigland@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | configfs: Allow ->make_item() and ->make_group() to return detailed errors.Joel Becker2008-07-171-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The configfs operations ->make_item() and ->make_group() currently return a new item/group. A return of NULL signifies an error. Because of this, -ENOMEM is the only return code bubbled up the stack. Multiple folks have requested the ability to return specific error codes when these operations fail. This patch adds that ability by changing the ->make_item/group() ops to return ERR_PTR() values. These errors are bubbled up appropriately. NULL returns are changed to -ENOMEM for compatibility. Also updated are the in-kernel users of configfs. This is a rework of reverted commit 11c3b79218390a139f2d474ee1e983a672d5839a. Signed-off-by: Joel Becker <joel.becker@oracle.com>
* | Revert "configfs: Allow ->make_item() and ->make_group() to return detailed ↵Joel Becker2008-07-171-28/+17
| | | | | | | | | | | | | | | | | | errors." This reverts commit 11c3b79218390a139f2d474ee1e983a672d5839a. The code will move to PTR_ERR(). Signed-off-by: Joel Becker <joel.becker@oracle.com>
* | Merge branch 'upstream-linus' of ↵Linus Torvalds2008-07-171-17/+28
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: [PATCH] ocfs2: fix oops in mmap_truncate testing configfs: call drop_link() to cleanup after create_link() failure configfs: Allow ->make_item() and ->make_group() to return detailed errors. configfs: Fix failing mkdir() making racing rmdir() fail configfs: Fix deadlock with racing rmdir() and rename() configfs: Make configfs_new_dirent() return error code instead of NULL configfs: Protect configfs_dirent s_links list mutations configfs: Introduce configfs_dirent_lock ocfs2: Don't snprintf() without a format. ocfs2: Fix CONFIG_OCFS2_DEBUG_FS #ifdefs ocfs2/net: Silence build warnings on sparc64 ocfs2: Handle error during journal load ocfs2: Silence an error message in ocfs2_file_aio_read() ocfs2: use simple_read_from_buffer() ocfs2: fix printk format warnings with OCFS2_FS_STATS=n [PATCH 2/2] ocfs2: Instrument fs cluster locks [PATCH 1/2] ocfs2: Add CONFIG_OCFS2_FS_STATS config option
| * | configfs: Allow ->make_item() and ->make_group() to return detailed errors.Joel Becker2008-07-141-17/+28
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | The configfs operations ->make_item() and ->make_group() currently return a new item/group. A return of NULL signifies an error. Because of this, -ENOMEM is the only return code bubbled up the stack. Multiple folks have requested the ability to return specific error codes when these operations fail. This patch adds that ability by changing the ->make_item/group() ops to return an int. Also updated are the in-kernel users of configfs. Signed-off-by: Joel Becker <joel.becker@oracle.com>
* | Merge commit 'v2.6.26' into bkl-removalJonathan Corbet2008-07-143-15/+16
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| * dlm: fix plock dev_write return valueDavid Teigland2008-05-191-1/+1
| | | | | | | | | | | | | | | | | | The return value on writes to the plock device should be the number of bytes written. It was returning 0 instead when an nfs lock callback was involved. Reported-by: Nathan Straz <nstraz@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: tcp_connect_to_sock should check for -EINVAL, not EINVALMarcin Slusarz2008-05-191-1/+1
| | | | | | | | | | | | | | | | Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Christine Caulfield <ccaulfie@redhat.com> Cc: David Teigland <teigland@redhat.com> Cc: cluster-devel@redhat.com Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: section mismatch warning fixLeonardo Potenza2008-05-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | Removed the section mismatch message: WARNING: fs/dlm/dlm.o(.init.text+0x132): Section mismatch in reference from the function init_module() to the function .exit.text:dlm_netlink_exit() Since dlm_netlink_exit() is called in the init_dlm() error handling, the __exit annotation has been removed. Signed-off-by: Leonardo Potenza <lpotenza@inwind.it> Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: convert connections_lock in a mutexMatthias Kaehlcke2008-05-191-12/+13
| | | | | | | | | | | | | | | | | | | | | | | | The semaphore connections_lock is used as a mutex. Convert it to the mutex API. Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net> Cc: Christine Caulfield <ccaulfie@redhat.com> Cc: David Teigland <teigland@redhat.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Teigland <teigland@redhat.com>
* | dlm-user: BKL pushdownArnd Bergmann2008-06-201-1/+8
|/ | | | Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* fs: replace remaining __FUNCTION__ occurrencesHarvey Harrison2008-04-301-1/+1
| | | | | | | | __FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2008-04-2210-23/+526
|\ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm: dlm: linux/{dlm,dlm_device}.h: cleanup for userspace dlm: common max length definitions dlm: move plock code from gfs2 dlm: recover nodes that are removed and re-added dlm: save master info after failed no-queue request dlm: make dlm_print_rsb() static dlm: match signedness between dlm_config_info and cluster_set
| * dlm: common max length definitionsDavid Teigland2008-04-211-2/+0
| | | | | | | | | | | | | | | | | | Add central definitions for max lockspace name length and max resource name length. The lack of central definitions has resulted in scattered private definitions which we can now clean up, including an unused one in dlm_device.h. Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: move plock code from gfs2David Teigland2008-04-214-0/+449
| | | | | | | | | | | | | | Move the code that handles cluster posix locks from gfs2 into the dlm so that it can be used by both gfs2 and ocfs2. Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: recover nodes that are removed and re-addedDavid Teigland2008-04-215-16/+74
| | | | | | | | | | | | | | | | | | | | If a node is removed from a lockspace, and then added back before the dlm is notified of the removal, the dlm will not detect the removal and won't clear the old state from the node. This is fixed by using a list of added nodes so the membership recovery can detect when a newly added node is already in the member list. Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: save master info after failed no-queue requestDavid Teigland2008-04-211-2/+1
| | | | | | | | | | | | | | | | | | | | When a NOQUEUE request fails, the rsb res_master field is unnecessarily reset to -1, instead of leaving the valid master setting in place. We want to save the looked-up master values while the rsb is on the "toss list" so that another lookup can be avoided if the rsb is soon reused. The fix is to simply leave res_master value alone. Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: make dlm_print_rsb() staticAdrian Bunk2008-04-212-2/+1
| | | | | | | | | | | | | | dlm_print_rsb() can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David Teigland <teigland@redhat.com>
| * dlm: match signedness between dlm_config_info and cluster_setHarvey Harrison2008-04-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | cluster_set is only called from the macro CLUSTER_ATTR which defines read/write access functions. Make the signedness match to avoid sparse warnings every time CLUSTER_ATTR is used (lines 149-159) all of the form: fs/dlm/config.c:149:1: warning: incorrect type in argument 3 (different signedness) fs/dlm/config.c:149:1: expected unsigned int *info_field fs/dlm/config.c:149:1: got int extern [toplevel] *<noident> Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David Teigland <teigland@redhat.com>
* | fs: Remove unnecessary inclusions of asm/semaphore.hMatthew Wilcox2008-04-181-1/+0
|/ | | | | | | None of these files use any of the functionality promised by asm/semaphore.h. Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
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