- 25 5月, 2011 5 次提交
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由 Sage Weil 提交于
If we get a notification that the image header has changed, check for a change in the image size. Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
If we get the inode from the MDS, we have a reference in req; don't do a fresh lookup. Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
If we are unable to locate an inode by ino, ask the MDS using the new LOOKUPINO command. Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
Signed-off-by: NSage Weil <sage@newdream.net>
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- 20 5月, 2011 15 次提交
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由 Sage Weil 提交于
Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
Since we pass the nofail arg, we should never get an error; BUG if we do. (And fix the function to not return an error if __map_request fails.) Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
rc is only ever 0 or negative in this method. Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
If we get a WAIT as a client something went wrong; error out. And don't fall through to an unrelated case. Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
Both off and fi->offset are unsigned, so the difference is always >= 0. Compare them directly instead of the sign of the difference. Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
If we grab new_cap, retake the lock, and find we already have a cap now for the given mds, release new_cap. Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
We allocate a buffer for rstats if the dirstat option is enabled. Use snprintf. Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
If there is no get_authorizer method we set the out_kvec to a bogus pointer. The length is also zero in that case, so it doesn't much matter, but it's better not to add the empty item in the first place. Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
If a connection is closed and/or reopened (ceph_con_close, ceph_con_open) it can race with a callback. con_work does various state checks for closed or reopened sockets at the beginning, but drops con->mutex before making callbacks. We need to check for state bit changes after retaking the lock to ensure we restart con_work and execute those CLOSED/OPENING tests or else we may end up operating under stale assumptions. In Jim's case, this was causing 'bad tag' errors. There are four cases where we re-take the con->mutex inside con_work: catch them all and return EAGAIN from try_{read,write} so that we can restart con_work. Reported-by: NJim Schutt <jaschut@sandia.gov> Tested-by: NJim Schutt <jaschut@sandia.gov> Signed-off-by: NSage Weil <sage@newdream.net>
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由 Sage Weil 提交于
We put ourselves on an inode list for the parent directory of metadata operations so that an fsync on the directory will wait for metadata updates to commit to disk. We weren't holding a reference to that directory, however, and under certain workloads (fsstress in this case) the directory can go away. Signed-off-by: NSage Weil <sage@newdream.net>
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- 19 5月, 2011 6 次提交
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2由 Linus Torvalds 提交于
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: configfs: Fix race between configfs_readdir() and configfs_d_iput() configfs: Don't try to d_delete() negative dentries. ocfs2/dlm: Target node death during resource migration leads to thread spin ocfs2: Skip mount recovery for hard-ro mounts ocfs2/cluster: Heartbeat mismatch message improved ocfs2/cluster: Increase the live threshold for global heartbeat ocfs2/dlm: Use negotiated o2dlm protocol version ocfs2: skip existing hole when removing the last extent_rec in punching-hole codes. ocfs2: Initialize data_ac (might be used uninitialized)
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git://git.secretlab.ca/git/linux-2.6由 Linus Torvalds 提交于
* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6: drivercore: revert addition of of_match to struct device of: fix race when matching drivers
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git://git.linux-mips.org/pub/scm/upstream-linus由 Linus Torvalds 提交于
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: MIPS: Kludge IP27 build for 2.6.39. MIPS: AR7: Fix GPIO register size for Titan variant. MIPS: Fix duplicate invocation of notify_die. MIPS: RB532: Fix iomap resource size miscalculation.
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由 Grant Likely 提交于
Commit b826291c, "drivercore/dt: add a match table pointer to struct device" added an of_match pointer to struct device to cache the of_match_table entry discovered at driver match time. This was unsafe because matching is not an atomic operation with probing a driver. If two or more drivers are attempted to be matched to a driver at the same time, then the cached matching entry pointer could get overwritten. This patch reverts the of_match cache pointer and reworks all users to call of_match_device() directly instead. Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Milton Miller 提交于
If two drivers are probing devices at the same time, both will write their match table result to the dev->of_match cache at the same time. Only write the result if the device matches. In a thread titled "SBus devices sometimes detected, sometimes not", Meelis reported his SBus hme was not detected about 50% of the time. From the debug suggested by Grant it was obvious another driver matched some devices between the call to match the hme and the hme discovery failling. Reported-by: NMeelis Roos <mroos@linux.ee> Signed-off-by: NMilton Miller <miltonm@bga.com> [grant.likely: modified to only call of_match_device() once] Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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- 18 5月, 2011 14 次提交
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git://git.kernel.dk/linux-2.6-block由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: don't delay blk_run_queue_async scsi: remove performance regression due to async queue run blk-throttle: Use task_subsys_state() to determine a task's blkio_cgroup block: rescan partitions on invalidated devices on -ENOMEDIA too cdrom: always check_disk_change() on open block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Florian Fainelli 提交于
The 'size' variable contains the correct register size for both AR7 and Titan, but we never used it to ioremap the correct register size. This problem only shows up on Titan. [ralf@linux-mips.org: Fixed the fix. The original patch as in patchwork recognizes the problem correctly then fails to fix it ...] Reported-by: NAlexander Clouter <alex@digriz.org.uk> Signed-off-by: NFlorian Fainelli <florian@openwrt.org> Patchwork: https://patchwork.linux-mips.org/patch/2380/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Initial patch by Yury Polyanskiy <ypolyans@princeton.edu>. Signed-off-by: NRalf Baechle <ralf@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/2373/
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由 Ralf Baechle 提交于
This is the MIPS portion of Joe Perches <joe@perches.com>'s https://patchwork.linux-mips.org/patch/2172/ which seems to have been lost in time and space. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Joel Becker 提交于
configfs_readdir() will use the existing inode numbers of inodes in the dcache, but it makes them up for attribute files that aren't currently instantiated. There is a race where a closing attribute file can be tearing down at the same time as configfs_readdir() is trying to get its inode number. We want to get the inode number of open attribute files, because they should match while instantiated. We can't lock down the transition where dentry->d_inode is set to NULL, so we just check for NULL there. We can, however, ensure that an inode we find isn't iput() in configfs_d_iput() until after we've accessed it. Signed-off-by: NJoel Becker <jlbec@evilplan.org>
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由 Joel Becker 提交于
When configfs is faking mkdir() on its subsystem or default group objects, it starts by adding a negative dentry. It then tries to instantiate the group. If that should fail, it must clean up after itself. I was using d_delete() here, but configfs_attach_group() promises to return an empty dentry on error. d_delete() explodes with the entry dentry. Let's try d_drop() instead. The unhashing is what we want for our dentry. Signed-off-by: NJoel Becker <jlbec@evilplan.org>
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由 Shaohua Li 提交于
Let's check a scenario: 1. blk_delay_queue(q, SCSI_QUEUE_DELAY); 2. blk_run_queue_async(); the second one will became a noop, because q->delay_work already has WORK_STRUCT_PENDING_BIT set, so the delayed work will still run after SCSI_QUEUE_DELAY. But blk_run_queue_async actually hopes the delayed work runs immediately. Fix this by doing a cancel on potentially pending delayed work before queuing an immediate run of the workqueue. Signed-off-by: NShaohua Li <shaohua.li@intel.com> Signed-off-by: NJens Axboe <jaxboe@fusionio.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6由 Linus Torvalds 提交于
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: [media] V4L: soc-camera: regression fix: calculate .sizeimage in soc_camera.c [media] v4l2-subdev: fix broken subdev control enumeration [media] Fix cx88 remote control input [media] v4l: Release module if subdev registration fails
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由 Linus Torvalds 提交于
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, AMD: Fix ARAT feature setting again Revert "x86, AMD: Fix APIC timer erratum 400 affecting K8 Rev.A-E processors" x86, apic: Fix spurious error interrupts triggering on all non-boot APs x86, mce, AMD: Fix leaving freed data in a list x86: Fix UV BAU for non-consecutive nasids x86, UV: Fix NMI handler for UV platforms
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由 Linus Torvalds 提交于
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf evlist: Fix per thread mmap setup perf tools: Honour the cpu list parameter when also monitoring a thread list kprobes, x86: Disable irqs during optimized callback
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git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: fix cifsConvertToUCS() for the mapchars case cifs: add fallback in is_path_accessible for old servers
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由 Randy Dunlap 提交于
Provide a stub for proc_mkdir_mode() when CONFIG_PROC_FS is not enabled, just like the stub for proc_mkdir(). Fixes this linux-next build error: drivers/net/wireless/airo.c:4504: error: implicit declaration of function 'proc_mkdir_mode' Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: "John W. Linville" <linville@tuxdriver.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Richard Weinberger 提交于
os_dump_core() uses abort() to terminate UML in case of an fatal error. glibc's abort() calls raise(SIGABRT) which makes use of tgkill(). tgkill() has no effect within UML's kernel threads because they are not pthreads. As fallback abort() executes an invalid instruction to terminate the process. Therefore UML gets killed by SIGSEGV and leaves a ugly log entry in the host's kernel ring buffer. To get rid of this we use our own abort routine. Signed-off-by: NRichard Weinberger <richard@nod.at> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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