- 18 3月, 2014 3 次提交
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由 Jeff Layton 提交于
There isn't much sense in maintaining two separate versions of rename code. Convert nfs_rename to use the asynchronous rename infrastructure that nfs_sillyrename uses, and emulate synchronous behavior by having the task just wait on the reply. Signed-off-by: NJeff Layton <jlayton@redhat.com> Tested-by: NAnna Schumaker <Anna.Schumaker@netapp.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Jeff Layton 提交于
...and move the prototype for nfs_sillyrename to internal.h. Signed-off-by: NJeff Layton <jlayton@redhat.com> Tested-by: NAnna Schumaker <Anna.Schumaker@netapp.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Jeff Layton 提交于
The async rename code is currently "polluted" with some parts that are really just for sillyrenames. Add a new "complete" operation vector to the nfs_renamedata to separate out the stuff that just needs to be done for a sillyrename. Signed-off-by: NJeff Layton <jlayton@redhat.com> Tested-by: NAnna Schumaker <Anna.Schumaker@netapp.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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- 20 2月, 2014 7 次提交
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由 Trond Myklebust 提交于
RFC3530 and RFC5661 both prescribe that the 'opaque' field of the open stateid returned by new OPEN/OPEN_DOWNGRADE/CLOSE calls for the same file and open owner should match. If this is not the case, assume that the open state has been lost, and that we need to recover it. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
The stateid and state->flags should be updated atomically under protection of the state->seqlock. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
If the server returns a completely new layout stateid in response to our LAYOUTGET, then make sure to free any existing layout segments. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
If the filehandles match, but the igrab() fails, or the layout is freed before we can get it, then just return NULL. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
It is not sufficient to compare filehandles when we receive a layout recall from the server; we also need to check that the layout stateids match. Reported-by: Nshaobingqing <shaobingqing@bwstor.com.cn> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
This patch is in preparation for the NFSv4.1 parallel open capability. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Subtraction of signed integers does not have well defined wraparound semantics in the C99 standard. In order to be wraparound-safe, we have to use unsigned subtraction, and then cast the result. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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- 12 2月, 2014 3 次提交
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由 Trond Myklebust 提交于
Try to detect 'ls -l' by having nfs_getattr() look at whether or not there is an opendir() file descriptor for the parent directory. If so, then assume that we want to force use of readdirplus in order to avoid the multiple GETATTR calls over the wire. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
Since TCP is a stream protocol, our callback read code needs to take into account the fact that RPC callbacks are not always confined to a single TCP segment. This patch adds support for multiple TCP segments by ensuring that we only remove the rpc_rqst structure from the 'free backchannel requests' list once the data has been completely received. We rely on the fact that TCP data is ordered for the duration of the connection. Reported-by: Nshaobingqing <shaobingqing@bwstor.com.cn> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
The call to xprt_free_allocation() will call list_del() on req->rq_bc_pa_list, which is not attached to a list. This patch moves the list_del() out of xprt_free_allocation() and into those callers that need it. Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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- 11 2月, 2014 2 次提交
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由 Trond Myklebust 提交于
When a send failure occurs due to the socket being out of buffer space, we call xs_nospace() in order to have the RPC task wait until the socket has drained enough to make it worth while trying again. The current patch fixes a race in which the socket is drained before we get round to setting up the machinery in xs_nospace(), and which is reported to cause hangs. Link: http://lkml.kernel.org/r/20140210170315.33dfc621@notabene.brown Fixes: a9a6b52e (SUNRPC: Don't start the retransmission timer...) Reported-by: NNeil Brown <neilb@suse.com> Cc: stable@vger.kernel.org Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Trond Myklebust 提交于
An infinite loop is caused when nfs4_establish_lease() fails with -EACCES. This causes nfs4_handle_reclaim_lease_error() to sleep a bit and resets the NFS4CLNT_LEASE_EXPIRED bit. This in turn causes nfs4_state_manager() to try and reestablished the lease, again, again, again... The problem is a valid RPCSEC_GSS client is being created when rpc.gssd is not running. Link: http://lkml.kernel.org/r/1392066375-16502-1-git-send-email-steved@redhat.com Fixes: 0ea9de0e (sunrpc: turn warn_gssd() log message into a dprintk()) Reported-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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- 10 2月, 2014 9 次提交
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由 Trond Myklebust 提交于
Commit aa9c2669 (NFS: Client implementation of Labeled-NFS) introduces a performance regression. When nfs_zap_caches_locked is called, it sets the NFS_INO_INVALID_LABEL flag irrespectively of whether or not the NFS server supports security labels. Since that flag is never cleared, it means that all calls to nfs_revalidate_inode() will now trigger an on-the-wire GETATTR call. This patch ensures that we never set the NFS_INO_INVALID_LABEL unless the server advertises support for labeled NFS. It also causes nfs_setsecurity() to clear NFS_INO_INVALID_LABEL when it has successfully set the security label for the inode. Finally it gets rid of the NFS_INO_INVALID_LABEL cruft from nfs_update_inode, which has nothing to do with labeled NFS. Reported-by: NNeil Brown <neilb@suse.de> Cc: stable@vger.kernel.org # 3.11+ Tested-by: NNeil Brown <neilb@suse.de> Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security由 Linus Torvalds 提交于
Pull SELinux fixes from James Morris. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: SELinux: Fix kernel BUG on empty security contexts. selinux: add SOCK_DIAG_BY_FAMILY to the list of netlink message types
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs由 Linus Torvalds 提交于
Pull vfs fixes from Al Viro: "A couple of fixes, both -stable fodder. The O_SYNC bug is fairly old..." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fix a kmap leak in virtio_console fix O_SYNC|O_APPEND syncing the wrong range on write()
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由 Al Viro 提交于
While we are at it, don't do kmap() under kmap_atomic(), *especially* for a page we'd allocated with GFP_KERNEL. It's spelled "page_address", and had that been more than that, we'd have a real trouble - kmap_high() can block, and doing that while holding kmap_atomic() is a Bad Idea(tm). Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
It actually goes back to 2004 ([PATCH] Concurrent O_SYNC write support) when sync_page_range() had been introduced; generic_file_write{,v}() correctly synced pos_after_write - written .. pos_after_write - 1 but generic_file_aio_write() synced pos_before_write .. pos_before_write + written - 1 instead. Which is not the same thing with O_APPEND, obviously. A couple of years later correct variant had been killed off when everything switched to use of generic_file_aio_write(). All users of generic_file_aio_write() are affected, and the same bug has been copied into other instances of ->aio_write(). The fix is trivial; the only subtle point is that generic_write_sync() ought to be inlined to avoid calculations useless for the majority of calls. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs由 Linus Torvalds 提交于
Pull btrfs fixes from Chris Mason: "This is a small collection of fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: fix data corruption when reading/updating compressed extents Btrfs: don't loop forever if we can't run because of the tree mod log btrfs: reserve no transaction units in btrfs_ioctl_set_features btrfs: commit transaction after setting label and features Btrfs: fix assert screwup for the pending move stuff
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull perf fixes from Ingo Molnar: "Tooling fixes, mostly related to the KASLR fallout, but also other fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf buildid-cache: Check relocation when checking for existing kcore perf tools: Adjust kallsyms for relocated kernel perf tests: No need to set up ref_reloc_sym perf symbols: Prevent the use of kcore if the kernel has moved perf record: Get ref_reloc_sym from kernel map perf machine: Set up ref_reloc_sym in machine__create_kernel_maps() perf machine: Add machine__get_kallsyms_filename() perf tools: Add kallsyms__get_function_start() perf symbols: Fix symbol annotation for relocated kernel perf tools: Fix include for non x86 architectures perf tools: Fix AAAAARGH64 memory barriers perf tools: Demangle kernel and kernel module symbols too perf/doc: Remove mention of non-existent set_perf_event_pending() from design.txt
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- 09 2月, 2014 10 次提交
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When using a mix of compressed file extents and prealloc extents, it is possible to fill a page of a file with random, garbage data from some unrelated previous use of the page, instead of a sequence of zeroes. A simple sequence of steps to get into such case, taken from the test case I made for xfstests, is: _scratch_mkfs _scratch_mount "-o compress-force=lzo" $XFS_IO_PROG -f -c "pwrite -S 0x06 -b 18670 266978 18670" $SCRATCH_MNT/foobar $XFS_IO_PROG -c "falloc 26450 665194" $SCRATCH_MNT/foobar $XFS_IO_PROG -c "truncate 542872" $SCRATCH_MNT/foobar $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/foobar This results in the following file items in the fs tree: item 4 key (257 INODE_ITEM 0) itemoff 15879 itemsize 160 inode generation 6 transid 6 size 542872 block group 0 mode 100600 item 5 key (257 INODE_REF 256) itemoff 15863 itemsize 16 inode ref index 2 namelen 6 name: foobar item 6 key (257 EXTENT_DATA 0) itemoff 15810 itemsize 53 extent data disk byte 0 nr 0 gen 6 extent data offset 0 nr 24576 ram 266240 extent compression 0 item 7 key (257 EXTENT_DATA 24576) itemoff 15757 itemsize 53 prealloc data disk byte 12849152 nr 241664 gen 6 prealloc data offset 0 nr 241664 item 8 key (257 EXTENT_DATA 266240) itemoff 15704 itemsize 53 extent data disk byte 12845056 nr 4096 gen 6 extent data offset 0 nr 20480 ram 20480 extent compression 2 item 9 key (257 EXTENT_DATA 286720) itemoff 15651 itemsize 53 prealloc data disk byte 13090816 nr 405504 gen 6 prealloc data offset 0 nr 258048 The on disk extent at offset 266240 (which corresponds to 1 single disk block), contains 5 compressed chunks of file data. Each of the first 4 compress 4096 bytes of file data, while the last one only compresses 3024 bytes of file data. Therefore a read into the file region [285648 ; 286720[ (length = 4096 - 3024 = 1072 bytes) should always return zeroes (our next extent is a prealloc one). The solution here is the compression code path to zero the remaining (untouched) bytes of the last page it uncompressed data into, as the information about how much space the file data consumes in the last page is not known in the upper layer fs/btrfs/extent_io.c:__do_readpage(). In __do_readpage we were correctly zeroing the remainder of the page but only if it corresponds to the last page of the inode and if the inode's size is not a multiple of the page size. This would cause not only returning random data on reads, but also permanently storing random data when updating parts of the region that should be zeroed. For the example above, it means updating a single byte in the region [285648 ; 286720[ would store that byte correctly but also store random data on disk. A test case for xfstests follows soon. Signed-off-by: NFilipe David Borba Manana <fdmanana@gmail.com> Signed-off-by: NChris Mason <clm@fb.com>
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由 Josef Bacik 提交于
A user reported a 100% cpu hang with my new delayed ref code. Turns out I forgot to increase the count check when we can't run a delayed ref because of the tree mod log. If we can't run any delayed refs during this there is no point in continuing to look, and we need to break out. Thanks, Signed-off-by: NJosef Bacik <jbacik@fb.com> Signed-off-by: NChris Mason <clm@fb.com>
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由 David Sterba 提交于
Added in patch "btrfs: add ioctls to query/change feature bits online" modifications to superblock don't need to reserve metadata blocks when starting a transaction. Signed-off-by: NDavid Sterba <dsterba@suse.cz> Signed-off-by: NChris Mason <clm@fb.com>
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由 Jeff Mahoney 提交于
The set_fslabel ioctl uses btrfs_end_transaction, which means it's possible that the change will be lost if the system crashes, same for the newly set features. Let's use btrfs_commit_transaction instead. Signed-off-by: NJeff Mahoney <jeffm@suse.com> Signed-off-by: NDavid Sterba <dsterba@suse.cz> Signed-off-by: NChris Mason <clm@fb.com>
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由 Josef Bacik 提交于
Wang noticed that he was failing btrfs/030 even though me and Filipe couldn't reproduce. Turns out this is because Wang didn't have CONFIG_BTRFS_ASSERT set, which meant that a key part of Filipe's original patch was not being built in. This appears to be a mess up with merging Filipe's patch as it does not exist in his original patch. Fix this by changing how we make sure del_waiting_dir_move asserts that it did not error and take the function out of the ifdef check. This makes btrfs/030 pass with the assert on or off. Thanks, Signed-off-by: NJosef Bacik <jbacik@fb.com> Reviewed-by: NFilipe Manana <fdmanana@gmail.com> Signed-off-by: NChris Mason <clm@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl由 Linus Torvalds 提交于
Pull pinctrl fixes from Linus Walleij: "First round of pin control fixes for v3.14: - Protect pinctrl_list_add() with the proper mutex. This was identified by RedHat. Caused nasty locking warnings was rootcased by Stanislaw Gruszka. - Avoid adding dangerous debugfs files when either half of the subsystem is unused: pinmux or pinconf. - Various fixes to various drivers: locking, hardware particulars, DT parsing, error codes" * tag 'pinctrl-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: tegra: return correct error type pinctrl: do not init debugfs entries for unimplemented functionalities pinctrl: protect pinctrl_list add pinctrl: sirf: correct the pin index of ac97_pins group pinctrl: imx27: fix offset calculation in imx_read_2bit pinctrl: vt8500: Change devicetree data parsing pinctrl: imx27: fix wrong offset to ICONFB pinctrl: at91: use locked variant of irq_set_handler
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull irq fix from Thomas Gleixner: "Add a missing Kconfig dependency" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Generic irq chip requires IRQ_DOMAIN
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 fixes from Peter Anvin: "Quite a varied little collection of fixes. Most of them are relatively small or isolated; the biggest one is Mel Gorman's fixes for TLB range flushing. A couple of AMD-related fixes (including not crashing when given an invalid microcode image) and fix a crash when compiled with gcov" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, microcode, AMD: Unify valid container checks x86, hweight: Fix BUG when booting with CONFIG_GCOV_PROFILE_ALL=y x86/efi: Allow mapping BGRT on x86-32 x86: Fix the initialization of physnode_map x86, cpu hotplug: Fix stack frame warning in check_irq_vectors_for_cpu_disable() x86/intel/mid: Fix X86_INTEL_MID dependencies arch/x86/mm/srat: Skip NUMA_NO_NODE while parsing SLIT mm, x86: Revisit tlb_flushall_shift tuning for page flushes except on IvyBridge x86: mm: change tlb_flushall_shift for IvyBridge x86/mm: Eliminate redundant page table walk during TLB range flushing x86/mm: Clean up inconsistencies when flushing TLB ranges mm, x86: Account for TLB flushes only when debugging x86/AMD/NB: Fix amd_set_subcaches() parameter type x86/quirks: Add workaround for AMD F16h Erratum792 x86, doc, kconfig: Fix dud URL for Microcode data
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git://github.com/kleikamp/linux-shaggy由 Linus Torvalds 提交于
Pull jfs fix from David Kleikamp: "Fix regression" * tag 'jfs-3.14-rc2' of git://github.com/kleikamp/linux-shaggy: jfs: fix generic posix ACL regression
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由 Dave Kleikamp 提交于
I missed a couple errors in reviewing the patches converting jfs to use the generic posix ACL function. Setting ACL's currently fails with -EOPNOTSUPP. Signed-off-by: NDave Kleikamp <dave.kleikamp@oracle.com> Reported-by: NMichael L. Semon <mlsemon35@gmail.com> Reviewed-by: NChristoph Hellwig <hch@lst.de>
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- 08 2月, 2014 6 次提交
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由 Richard Weinberger 提交于
On archs like S390 or um this driver cannot build nor work. Make it depend on HAS_IOMEM to bypass build failures. drivers/built-in.o: In function `dw_wdt_drv_probe': drivers/watchdog/dw_wdt.c:302: undefined reference to `devm_ioremap_resource' Signed-off-by: NRichard Weinberger <richard@nod.at> Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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由 Linus Torvalds 提交于
Merge tag 'driver-core-3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fix from Greg KH: "Here is a single kernfs fix to resolve a much-reported lockdep issue with the removal of entries in sysfs" * tag 'driver-core-3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: kernfs: make kernfs_deactivate() honor KERNFS_LOCKDEP flag
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client由 Linus Torvalds 提交于
Pull ceph fixes from Sage Weil: "There is an RBD fix for a crash due to the immutable bio changes, an error path fix, and a locking fix in the recent redirect support" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: libceph: do not dereference a NULL bio pointer libceph: take map_sem for read in handle_reply() libceph: factor out logic from ceph_osdc_start_request() libceph: fix error handling in ceph_osdc_init()
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux由 Linus Torvalds 提交于
Pull arm64 fixes from Catalin Marinas: - Relax VDSO alignment requirements so that the kernel-picked one (4K) does not conflict with the dynamic linker's one (64K) - VDSO gettimeofday fix - Barrier fixes for atomic operations and cache flushing - TLB invalidation when overriding early page mappings during boot - Wired up new 32-bit arm (compat) syscalls - LSM_MMAP_MIN_ADDR when COMPAT is enabled - defconfig update - Clean-up (comments, pgd_alloc). * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: defconfig: Expand default enabled features arm64: asm: remove redundant "cc" clobbers arm64: atomics: fix use of acquire + release for full barrier semantics arm64: barriers: allow dsb macro to take option parameter security: select correct default LSM_MMAP_MIN_ADDR on arm on arm64 arm64: compat: Wire up new AArch32 syscalls arm64: vdso: update wtm fields for CLOCK_MONOTONIC_COARSE arm64: vdso: fix coarse clock handling arm64: simplify pgd_alloc arm64: fix typo: s/SERRROR/SERROR/ arm64: Invalidate the TLB when replacing pmd entries during boot arm64: Align CMA sizes to PAGE_SIZE arm64: add DSB after icache flush in __flush_icache_all() arm64: vdso: prevent ld from aligning PT_LOAD segments to 64k
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git://git.linux-mips.org/pub/scm/ralf/upstream-linus由 Linus Torvalds 提交于
Pull MIPS updates from Ralf Baechle: "hree minor patches. All have sat in -next for a few days" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: fpu.h: Fix build when CONFIG_BUG is not set MIPS: Wire up sched_setattr/sched_getattr syscalls MIPS: Alchemy: Fix DB1100 GPIO registration
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media由 Linus Torvalds 提交于
Pull media fixes from Mauro Carvalho Chehab: "A series of small fixes. Mostly driver ones. There is one core regression fix on a patch that was meant to fix some race issues on vb2, but that actually caused more harm than good. So, we're just reverting it for now" * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] adv7842: Composite free-run platfrom-data fix [media] v4l2-dv-timings: fix GTF calculation [media] hdpvr: Fix memory leak in debug [media] af9035: add ID [2040:f900] Hauppauge WinTV-MiniStick 2 [media] mxl111sf: Fix compile when CONFIG_DVB_USB_MXL111SF is unset [media] mxl111sf: Fix unintentional garbage stack read [media] cx24117: use a valid dev pointer for dev_err printout [media] cx24117: remove dead code in always 'false' if statement [media] update Michael Krufky's email address [media] vb2: Check if there are buffers before streamon [media] Revert "[media] videobuf_vm_{open,close} race fixes" [media] go7007-loader: fix usb_dev leak [media] media: bt8xx: add missing put_device call [media] exynos4-is: Compile in fimc-lite runtime PM callbacks conditionally [media] exynos4-is: Compile in fimc runtime PM callbacks conditionally [media] exynos4-is: Fix error paths in probe() for !pm_runtime_enabled() [media] s5p-jpeg: Fix wrong NV12 format parameters [media] s5k5baf: allow to handle arbitrary long i2c sequences
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