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| * NFS: Make nfs_llseek methods consistentChuck Lever2008-07-091-0/+5
| | | | | | | | | | | | | | | | Clean up: Report the same debugging info in nfs_llseek_dir() and nfs_llseek_file(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Make nfs_fsync methods consistentChuck Lever2008-07-091-5/+7
| | | | | | | | | | | | | | | | Clean up: Report the same debugging info, count function calls the same, and use similar function naming in nfs_fsync_dir() and nfs_fsync(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: do_setlk(): don't flush caches when we have a delegationTrond Myklebust2008-07-091-1/+2
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Optimise append writes with holesTrond Myklebust2008-07-091-0/+20
| | | | | | | | | | | | | | | | | | | | | | If a file is being extended, and we're creating a hole, we might as well declare the entire page to be up to date. This patch significantly improves the write performance for sparse files in the case where lseek(SEEK_END) is used to append several non-contiguous writes at intervals of < PAGE_SIZE. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Add correct bounds checking to NFSv2 locksTrond Myklebust2008-07-091-5/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | NFSv2 file locking currently fails the Connectathon tests, because the calls to the VFS locking code do not return an EINVAL error if the struct file_lock overflows the 32-bit boundaries. The problem is due to the fact that we occasionally call helpers from fs/locks.c in order to avoid RPC calls to the server when we know that a local process holds the lock. These helpers are, of course, always 64-bit enabled, so EINVAL is not returned in cases when it would if the call had gone to the NLM code. For consistency, we therefore add support for a bounds-checking helper. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | Merge commit 'v2.6.26' into bkl-removalJonathan Corbet2008-07-141-1/+1
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| * nfs: replace remaining __FUNCTION__ occurrencesHarvey Harrison2008-05-161-1/+1
| | | | | | | | | | | | | | | | | | | | __FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: "J. Bruce Fields" <bfields@fieldses.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | Remove BKL from remote_llseek v2Andi Kleen2008-07-021-1/+5
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Replace remote_llseek with generic_file_llseek_unlocked (to force compilation failures in all users) - Change all users to either use generic_file_llseek_unlocked directly or take the BKL around. I changed the file systems who don't use the BKL for anything (CIFS, GFS) to call it directly. NCPFS and SMBFS and NFS take the BKL, but explicitely in their own source now. I moved them all over in a single patch to avoid unbisectable sections. Open problem: 32bit kernels can corrupt fpos because its modification is not atomic, but they can do that anyways because there's other paths who modify it without BKL. Do we need a special lock for the pos/f_version = 0 checks? Trond says the NFS BKL is likely not needed, but keep it for now until his full audit. v2: Use generic_file_llseek_unlocked instead of remote_llseek_unlocked and factor duplicated code (suggested by hch) Cc: Trond.Myklebust@netapp.com Cc: swhiteho@redhat.com Cc: sfrench@samba.org Cc: vandrove@vc.cvut.cz Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Merge branch 'devel'Trond Myklebust2008-04-241-16/+2
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| * NFS: Remove the buggy lock-if-signalled case from do_setlk()Trond Myklebust2008-04-191-10/+2
| | | | | | | | | | | | | | Both NLM and NFSv4 should be able to clean up adequately in the case where the user interrupts the RPC call... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Always enable NFS direct I/OChuck Lever2008-03-191-6/+0
| | | | | | | | | | | | | | | | | | Since O_DIRECT is a standard feature that is enabled in most distros, eliminate the CONFIG_NFS_DIRECTIO build option, and change the fs/nfs/Makefile to always build in the NFS direct I/O engine. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | fix bug - executing FDPIC ELF on NFS mount triggers BUG() at ↵Bryan Wu2008-04-081-0/+4
|/ | | | | | | | | | | mm/nommu.c:862:/do_mmap_private() NFS needs a NOMMU version mmap function to support uClinux on NOMMU machine http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_id=141&tracker_item_id=3992 Signed-off-by: Bryan Wu <cooloney@kernel.org> Cc: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: nfs_write_end clean upChuck Lever2008-01-301-1/+3
| | | | | | | | | Clean up: commit 4899f9c8 added nfs_write_end(), which introduces a conditional expression that returns an unsigned integer in one arm and a signed integer in the other. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Optimise nfs_vm_page_mkwrite()Trond Myklebust2008-01-301-22/+14
| | | | | | | The current model locks the page twice for no good reason. Optimise by inlining the parts of nfs_write_begin()/nfs_write_end() that we care about. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFSv4: Ensure that we wait for the CLOSE request to completeTrond Myklebust2007-10-191-1/+1
| | | | | | | | | | Otherwise, we do end up breaking close-to-open semantics. We also end up breaking some of the silly-rename tests in Connectathon on some setups. Please refer to the bug-report at http://bugzilla.linux-nfs.org/show_bug.cgi?id=150 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* nfs: convert to new aopsNick Piggin2007-10-161-20/+60
| | | | | | | | | | | [akpm@linux-foundation.org: fix against git-nfs] [peterz@infradead.org: fix against git-nfs] Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'locks' of git://linux-nfs.org/~bfields/linuxLinus Torvalds2007-10-151-2/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'locks' of git://linux-nfs.org/~bfields/linux: nfsd: remove IS_ISMNDLCK macro Rework /proc/locks via seq_files and seq_list helpers fs/locks.c: use list_for_each_entry() instead of list_for_each() NFS: clean up explicit check for mandatory locks AFS: clean up explicit check for mandatory locks 9PFS: clean up explicit check for mandatory locks GFS2: clean up explicit check for mandatory locks Cleanup macros for distinguishing mandatory locks Documentation: move locks.txt in filesystems/ locks: add warning about mandatory locking races Documentation: move mandatory locking documentation to filesystems/ locks: Fix potential OOPS in generic_setlease() Use list_first_entry in locks_wake_up_blocks locks: fix flock_lock_file() comment Memory shortage can result in inconsistent flocks state locks: kill redundant local variable locks: reverse order of posix_locks_conflict() arguments
| * NFS: clean up explicit check for mandatory locksPavel Emelyanov2007-10-091-2/+1
| | | | | | | | | | | | | | | | | | | | The __mandatory_lock(inode) macro makes the same check, but makes the code more readable. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: "J. Bruce Fields" <bfields@fieldses.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* | NFS: Replace file->private_data with calls to nfs_file_open_context()Trond Myklebust2007-10-091-4/+4
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | NFS: Fall back to synchronous writes when a background write errors...Trond Myklebust2007-10-091-20/+44
| | | | | | | | | | | | | | | | This helps prevent huge queues of background writes from building up whenever the server runs out of disk or quota space, or if someone changes the file access modes behind our backs. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | NFS: Clean up write code...Trond Myklebust2007-10-091-1/+1
| | | | | | | | | | | | | | The addition of nfs_page_mkwrite means that We should no longer need to create requests inside nfs_writepage() Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | NFS: Add the helper nfs_vm_page_mkwriteTrond Myklebust2007-10-091-2/+33
|/ | | | | | | This is needed in order to set up a proper nfs_page request for mmapped files. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Fix a write request leak in nfs_invalidate_page()Trond Myklebust2007-09-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ryusuke Konishi says: The recent truncate_complete_page() clears the dirty flag from a page before calling a_ops->invalidatepage(), ^^^^^^ static void truncate_complete_page(struct address_space *mapping, struct page *page) { ... cancel_dirty_page(page, PAGE_CACHE_SIZE); <--- Inserted here at kernel 2.6.20 if (PagePrivate(page)) do_invalidatepage(page, 0); ---> will call a_ops->invalidatepage() ... } and this is disturbing nfs_wb_page_priority() from calling nfs_writepage_locked() that is expected to handle the pending request (=nfs_page) associated with the page. int nfs_wb_page_priority(struct inode *inode, struct page *page, int how) { ... if (clear_page_dirty_for_io(page)) { ret = nfs_writepage_locked(page, &wbc); if (ret < 0) goto out; } ... } Since truncate_complete_page() will get rid of the page after a_ops->invalidatepage() returns, the request (=nfs_page) associated with the page becomes a garbage in nfs_inode->nfs_page_tree. ------------------------ Fix this by ensuring that nfs_wb_page_priority() recognises that it may also need to clear out non-dirty pages that have an nfs_page associated with them. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* locks: make posix_test_lock() interface more consistentJ. Bruce Fields2007-07-181-1/+3
| | | | | | | | Since posix_test_lock(), like fcntl() and ->lock(), indicates absence or presence of a conflict lock by setting fl_type to, respectively, F_UNLCK or something other than F_UNLCK, the return value is no longer needed. Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
* nfs: disable leases over NFSJ. Bruce Fields2007-07-181-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | As Peter Staubach says elsewhere (http://marc.info/?l=linux-kernel&m=118113649526444&w=2): > The problem is that some file system such as NFSv2 and NFSv3 do > not have sufficient support to be able to support leases correctly. > In particular for these two file systems, there is no over the wire > protocol support. > > Currently, these two file systems fail the fcntl(F_SETLEASE) call > accidentally, due to a reference counting difference. These file > systems should fail more consciously, with a proper error to > indicate that the call is invalid for them. Define an nfs setlease method that just returns -EINVAL. If someone can demonstrate a real need, perhaps we could reenable them in the presence of the "nolock" mount option. Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu> Cc: Peter Staubach <staubach@redhat.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
* sendfile: convert nfs to using splice_read()Jens Axboe2007-07-101-6/+9
| | | | | Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Detach sched.h from mm.hAlexey Dobriyan2007-05-211-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | First thing mm.h does is including sched.h solely for can_do_mlock() inline function which has "current" dereference inside. By dealing with can_do_mlock() mm.h can be detached from sched.h which is good. See below, why. This patch a) removes unconditional inclusion of sched.h from mm.h b) makes can_do_mlock() normal function in mm/mlock.c c) exports can_do_mlock() to not break compilation d) adds sched.h inclusions back to files that were getting it indirectly. e) adds less bloated headers to some files (asm/signal.h, jiffies.h) that were getting them indirectly Net result is: a) mm.h users would get less code to open, read, preprocess, parse, ... if they don't need sched.h b) sched.h stops being dependency for significant number of files: on x86_64 allmodconfig touching sched.h results in recompile of 4083 files, after patch it's only 3744 (-8.3%). Cross-compile tested on all arm defconfigs, all mips defconfigs, all powerpc defconfigs, alpha alpha-up arm i386 i386-up i386-defconfig i386-allnoconfig ia64 ia64-up m68k mips parisc parisc-up powerpc powerpc-up s390 s390-up sparc sparc-up sparc64 sparc64-up um-x86_64 x86_64 x86_64-up x86_64-defconfig x86_64-allnoconfig as well as my two usual configs. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* locks: give posix_test_lock same interface as ->lockMarc Eshel2007-05-061-6/+1
| | | | | | | | | posix_test_lock() and ->lock() do the same job but have gratuitously different interfaces. Modify posix_test_lock() so the two agree, simplifying some code in the process. Signed-off-by: Marc Eshel <eshel@almaden.ibm.com> Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
* [PATCH] mark struct inode_operations const 2Arjan van de Ven2007-02-121-2/+2
| | | | | | | | | | | 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>
* [PATCH] Remove warning: VFS is out of sync with lock managerNeil Brown2007-01-301-2/+3
| | | | | | | | | | | | | | | But keep it as a dprintk The message can be generated in a quite normal situation: If a 'lock' request is interrupted, then the lock client needs to record that the server has the lock, incase it does. When we come the unlock, the server might say it doesn't, even though we think it does (or might) and this generates the message. Signed-off-by: Neil Brown <neilb@suse.de> Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] NFS: Fix race in nfs_release_page()Trond Myklebust2007-01-111-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | NFS: Fix race in nfs_release_page() invalidate_inode_pages2() may find the dirty bit has been set on a page owing to the fact that the page may still be mapped after it was locked. Only after the call to unmap_mapping_range() are we sure that the page can no longer be dirtied. In order to fix this, NFS has hooked the releasepage() method and tries to write the page out between the call to unmap_mapping_range() and the call to remove_mapping(). This, however leads to deadlocks in the page reclaim code, where the page may be locked without holding a reference to the inode or dentry. Fix is to add a new address_space_operation, launder_page(), which will attempt to write out a dirty page without releasing the page lock. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Also, the bare SetPageDirty() can skew all sort of accounting leading to other nasties. [akpm@osdl.org: cleanup] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] nfs: change uses of f_{dentry,vfsmnt} to use f_pathJosef "Jeff" Sipek2006-12-081-7/+7
| | | | | | | | | Change all the uses of f_{dentry,vfsmnt} to f_path.{dentry,mnt} in the nfs client code. 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>
* NFS: Fix nfs_release_pageTrond Myklebust2006-12-061-6/+7
| | | | | | | invalidate_inode_pages2_range() will clear the PG_dirty bit before calling try_to_release_page(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Ensure we only call set_page_writeback() under the page lockTrond Myklebust2006-12-061-5/+1
| | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Add nfs_set_page_dirty()Trond Myklebust2006-12-061-1/+1
| | | | | | | | | | We will want to allow nfs_writepage() to distinguish between pages that have been marked as dirty by the VM, and those that have been marked as dirty by nfs_updatepage(). In the former case, the entire page will want to be written out, and so any requests that were pending need to be flushed out first. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Remove nfs_writepage_sync()Trond Myklebust2006-12-061-0/+6
| | | | | | | | Maintaining two parallel ways of doing synchronous writes is rather pointless. This patch gets rid of the legacy nfs_writepage_sync(), and replaces it with the faster asynchronous writes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: cleanup of nfs_sync_inode_wait()Trond Myklebust2006-12-061-3/+6
| | | | | | Allow callers to directly pass it a struct writeback_control. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* [PATCH] Vectorize aio_read/aio_write fileop methodsBadari Pulavarty2006-10-011-16/+18
| | | | | | | | | | | | This patch vectorizes aio_read() and aio_write() methods to prepare for collapsing all aio & vectored operations into one interface - which is aio_read()/aio_write(). Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Michael Holzheu <HOLZHEU@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* NFS: Use SEEK_END instead of hardcoded valueJosef 'Jeff' Sipek2006-09-221-1/+1
| | | | | Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Make better use of inode* dereferencing macrosDavid Howells2006-09-221-1/+1
| | | | | | | | Make better use of inode* dereferencing macros to hide dereferencing chains (including NFS_PROTO and NFS_CLIENT). Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Fix a potential deadlock in nfs_release_pageNikita Danilov2006-08-241-1/+7
| | | | | | | | | | | nfs_wb_page() waits on request completion and, as a result, is not safe to be called from nfs_release_page() invoked by VM scanner as part of GFP_NOFS allocation. Fix possible deadlock by analyzing gfp mask and refusing to release page if __GFP_FS is not set. Signed-off-by: Nikita Danilov <danilov@gmail.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> (cherry picked from 374d969debfb290bafcb41d28918dc6f7e43ce31 commit)
* [PATCH] mark address_space_operations constChristoph Hellwig2006-06-281-1/+1
| | | | | | | | | | 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>
* Merge branch 'master' of /home/trondmy/kernel/linux-2.6/Trond Myklebust2006-06-241-2/+2
|\ | | | | | | | | | | | | | | | | | | Conflicts: fs/nfs/inode.c fs/super.c Fix conflicts between patch 'NFS: Split fs/nfs/inode.c' and patch 'VFS: Permit filesystem to override root dentry on mount'
| * [PATCH] vfs: add lock owner argument to flush operationMiklos Szeredi2006-06-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | NFS: Flesh out nfs_invalidate_page()Trond Myklebust2006-06-091-1/+5
| | | | | | | | | | | | | | In the case of a call to truncate_inode_pages(), we should really try to cancel any pending writes on the page. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | NFS: Separate metadata and page cache revalidation mechanismsTrond Myklebust2006-06-091-21/+3
|/ | | | | | | | | | Separate out the function of revalidating the inode metadata, and revalidating the mapping. The former may be called by lookup(), and only really needs to check that permissions, ctime, etc haven't changed whereas the latter needs only done when we want to read data from the page cache, and may need to sync and then invalidate the mapping. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS,SUNRPC: Fix compiler warnings if CONFIG_PROC_FS & CONFIG_SYSCTL are unsetTrond Myklebust2006-04-191-3/+2
| | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* [PATCH] Make most file operations structs in fs/ constArjan van de Ven2006-03-281-1/+1
| | | | | | | | | | | | | | 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>
* [PATCH] Make address_space_operations->invalidatepage return voidNeilBrown2006-03-261-2/+1
| | | | | | | | | | | | | | | | The return value of this function is never used, so let's be honest and declare it as void. Some places where invalidatepage returned 0, I have inserted comments suggesting a BUG_ON. [akpm@osdl.org: JBD BUG fix] [akpm@osdl.org: rework for git-nfs] [akpm@osdl.org: don't go BUG in block_invalidate_page()] Signed-off-by: Neil Brown <neilb@suse.de> Acked-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* NFS, NLM: Allow blocking locks to respect signalsTrond Myklebust2006-03-201-6/+0
| | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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