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* GFS2: Clean up stuffed file copyingSteven Whitehouse2010-03-29
| | | | | | | | | | | | | If the inode size was corrupt for stuffed files, it was possible for the copying of data to overrun the block and/or page. This patch checks for that condition so that this is no longer possible. This is also preparation for the new truncate sequence patch which requires the ability to have stuffed files with larger sizes than (disk block size - sizeof(on disk inode)) with the restriction that only the initial part of the file may be non-zero. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: Remove space from slab cache nameSteven Whitehouse2010-03-29
| | | | | | | Apparently this might confuse parsers. Reported-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-03-26
|\ | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: nilfs2: fix imperfect completion wait in nilfs_wait_on_logs nilfs2: fix hang-up of cleaner after log writer returned with error nilfs2: fix duplicate call to nilfs_segctor_cancel_freev
| * nilfs2: fix imperfect completion wait in nilfs_wait_on_logsRyusuke Konishi2010-03-23
| | | | | | | | | | | | | | | | | | | | | | | | nilfs_wait_on_logs has a potential to slip out before completion of all bio requests when it met an error. This synchronization fault may cause unexpected results, for instance, violative access to freed segment buffers from an end-bio callback routine. This fixes the issue by ensuring that nilfs_wait_on_logs waits all given logs. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: fix hang-up of cleaner after log writer returned with errorRyusuke Konishi2010-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to the report from Andreas Beckmann (Message-ID: <4BA54677.3090902@abeckmann.de>), nilfs in 2.6.33 kernel got stuck after a disk full error. This turned out to be a regression by log writer updates merged at kernel 2.6.33. nilfs_segctor_abort_construction, which is a cleanup function for erroneous cases, was skipping writeback completion for some logs. This fixes the bug and would resolve the hang issue. Reported-by: Andreas Beckmann <debian@abeckmann.de> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Tested-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: stable <stable@kernel.org> [2.6.33.x]
| * nilfs2: fix duplicate call to nilfs_segctor_cancel_freevRyusuke Konishi2010-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Andreas Beckmann gave me a report that nilfs logged the following warnings when it got a disk full: nilfs_sufile_do_cancel_free: segment 0 must be clean nilfs_sufile_do_cancel_free: segment 1 must be clean These arise from a duplicate call to nilfs_segctor_cancel_freev in an error path of log writer. This will fix the issue. Reported-by: Andreas Beckmann <debian@abeckmann.de> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* | Merge branch 'for-linus' of ↵Linus Torvalds2010-03-26
|\ \ | | | | | | | | | | | | | | | | | | 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: Restore LOOKUP_DIRECTORY hint handling in final lookup on open()
| * | Restore LOOKUP_DIRECTORY hint handling in final lookup on open()Al Viro2010-03-26
| | | | | | | | | | | | | | | | | | | | | Lose want_dir argument, while we are at it - since now nd->flags & LOOKUP_DIRECTORY is equivalent to it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | Merge branch 'for_linus' of ↵Linus Torvalds2010-03-25
|\ \ \ | |/ / |/| | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: Fixed inode allocator to correctly track a flex_bg's used_dirs ext4: Don't use delayed allocation by default when used instead of ext3 ext4: Fix spelling of CONTIG_FS_EXT3 to CONFIG_FS_EXT3 ext4: Fix estimate of # of blocks needed to write indirect-mapped files
| * | ext4: Fixed inode allocator to correctly track a flex_bg's used_dirsEric Sandeen2010-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | When used_dirs was introduced for the flex_groups struct, it looks like the accounting was not put into place properly, in some places manipulating free_inodes rather than used_dirs. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * | ext4: Don't use delayed allocation by default when used instead of ext3Jan Kara2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When ext4 driver is used to mount a filesystem instead of the ext3 file system driver (through CONFIG_EXT4_USE_FOR_EXT23), do not enable delayed allocation by default since some ext3 users and application writers have developed unfortunate expectations about the safety of writing files on systems subject to sudden and violent death without using fsync(). Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * | ext4: Fix spelling of CONTIG_FS_EXT3 to CONFIG_FS_EXT3Theodore Ts'o2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | Oops. (Blush.) Thanks to Sedat Dilek for pointing this out. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| * | ext4: Fix estimate of # of blocks needed to write indirect-mapped filesJan Kara2010-03-14
| | | | | | | | | | | | | | | | | | | | | http://bugzilla.kernel.org/show_bug.cgi?id=15420 Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* | | Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds2010-03-24
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: don't try to decode GETATTR if DELEGRETURN returned error sunrpc: handle allocation errors from __rpc_lookup_create() SUNRPC: Fix the return value of rpc_run_bc_task() SUNRPC: Fix a use after free bug with the NFSv4.1 backchannel SUNRPC: Fix a potential memory leak in auth_gss NFS: Prevent another deadlock in nfs_release_page()
| * | | NFS: don't try to decode GETATTR if DELEGRETURN returned errorJeff Layton2010-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The reply parsing code attempts to decode the GETATTR response even if the DELEGRETURN portion of the compound returned an error. The GETATTR response won't actually exist if that's the case and we're asking the parser to read past the end of the response. This bug is fairly benign. The parser catches this without reading past the end of the response and decode_getfattr returns -EIO. Earlier kernels however had decode_op_hdr using the READ_BUF macro, and this bug would make this printk pop any time the client got an error from a delegreturn: kernel: decode_op_hdr: reply buffer overflowed in line XXXX More recent kernels seem to have replaced this printk with a dprintk. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Prevent another deadlock in nfs_release_page()Trond Myklebust2010-03-19
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | We should not attempt to free the page if __GFP_FS is not set. Otherwise we can deadlock as per http://bugzilla.kernel.org/show_bug.cgi?id=15578 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
* | | fscache: add missing unlockDan Carpenter2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | Sparse complained about this missing spin_unlock() Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | do_sync_read/write() should set kiocb.ki_nbytes to be consistentDavid Howells2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | do_sync_read/write() should set kiocb.ki_nbytes to be consistent with do_sync_readv_writev(). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | FDPIC: For-loop in elf_core_vma_data_size() is incorrectDavid Howells2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix an incorrect for-loop in elf_core_vma_data_size(). The advance-pointer statement lacks an assignment: CC fs/binfmt_elf_fdpic.o fs/binfmt_elf_fdpic.c: In function 'elf_core_vma_data_size': fs/binfmt_elf_fdpic.c:1593: warning: statement with no effect Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | fs/partition/msdos: fix unusable extended partition for > 512B sectorOGAWA Hirofumi2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Smaller size than a minimum blocksize can't be used, after all it's handled like 0 size. For extended partition itself, this makes sure to use bigger size than one logical sector size at least. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Daniel Taylor <Daniel.Taylor@wdc.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | fs/partitions/msdos: add support for large disksDaniel Taylor2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to use disks larger than 2TiB on Windows XP, it is necessary to use 4096-byte logical sectors in an MBR. Although the kernel storage and functions called from msdos.c used "sector_t" internally, msdos.c still used u32 variables, which results in the ability to handle XP-compatible large disks. This patch changes the internal variables to "sector_t". Daniel said: "In the near future, WD will be releasing products that need this patch". [hirofumi@mail.parknet.co.jp: tweaks and fix] Signed-off-by: Daniel Taylor <daniel.taylor@wdc.com> Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | kcore: fix test for end of listDan Carpenter2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "m" is never NULL here. We need a different test for the end of list condition. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | reiserfs: properly honor read-only devicesJeff Mahoney2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The reiserfs journal behaves inconsistently when determining whether to allow a mount of a read-only device. This is due to the use of the continue_replay variable to short circuit the journal scanning. If it's set, it's assumed that there are transactions to replay, but there may not be. If it's unset, it's assumed that there aren't any, and that may not be the case either. I've observed two failure cases: 1) Where a clean file system on a read-only device refuses to mount 2) Where a clean file system on a read-only device passes the optimization and then tries writing the journal header to update the latest mount id. The former is easily observable by using a freshly created file system on a read-only loopback device. This patch moves the check into journal_read_transaction, where it can bail out before it's about to replay a transaction. That way it can go through and skip transactions where appropriate, yet still refuse to mount a file system with outstanding transactions. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | reiserfs: fix oops while creating privroot with selinux enabledJeff Mahoney2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 57fe60df ("reiserfs: add atomic addition of selinux attributes during inode creation") contains a bug that will cause it to oops when mounting a file system that didn't previously contain extended attributes on a system using security.* xattrs. The issue is that while creating the privroot during mount reiserfs_security_init calls reiserfs_xattr_jcreate_nblocks which dereferences the xattr root. The xattr root doesn't exist, so we get an oops. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=15309 Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | fs/binfmt_aout.c: fix pointer warningsBorislav Petkov2010-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fs/binfmt_aout.c: In function `aout_core_dump': fs/binfmt_aout.c:125: warning: passing argument 2 of `dump_write' makes pointer from integer without a cast include/linux/coredump.h:12: note: expected `const void *' but argument is of type `long unsigned int' fs/binfmt_aout.c:132: warning: passing argument 2 of `dump_write' makes pointer from integer without a cast include/linux/coredump.h:12: note: expected `const void *' but argument is of type `long unsigned int' due to dump_write() expecting a user void *. Fold casts into the START_DATA/START_STACK macros and shut up the warnings. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Cc: Daisuke HATAYAMA <d.hatayama@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | AFS: Potential null dereferenceDan Carpenter2010-03-22
|/ / | | | | | | | | | | | | | | | | It seems clear from the surrounding code that xpermits is allowed to be NULL here. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'for-linus' of ↵Linus Torvalds2010-03-19
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (205 commits) ceph: update for write_inode API change ceph: reset osd after relevant messages timed out ceph: fix flush_dirty_caps race with caps migration ceph: include migrating caps in issued set ceph: fix osdmap decoding when pools include (removed) snaps ceph: return EBADF if waiting for caps on closed file ceph: set osd request message front length correctly ceph: reset front len on return to msgpool; BUG on mismatched front iov ceph: fix snaptrace decoding on cap migration between mds ceph: use single osd op reply msg ceph: reset bits on connection close ceph: remove bogus mds forward warning ceph: remove fragile __map_osds optimization ceph: fix connection fault STANDBY check ceph: invalidate_authorizer without con->mutex held ceph: don't clobber write return value when using O_SYNC ceph: fix client_request_forward decoding ceph: drop messages on unregistered mds sessions; cleanup ceph: fix comments, locking in destroy_inode ceph: move dereference after NULL test ... Fix trivial conflicts in Documentation/ioctl/ioctl-number.txt
| * | ceph: update for write_inode API changeStephen Rothwell2010-03-05
| | | | | | | | | | | | | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: reset osd after relevant messages timed outYehuda Sadeh2010-03-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This simplifies the process of timing out messages. We keep lru of current messages that are in flight. If a timeout has passed, we reset the osd connection, so that messages will be retransmitted. This is a failsafe in case we hit some sort of problem sending out message to the OSD. Normally, we'll get notification via an updated osdmap if there are problems. If a request is older than the keepalive timeout, send a keepalive to ensure we detect any breaks in the TCP connection. Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: fix flush_dirty_caps race with caps migrationSage Weil2010-03-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The flush_dirty_caps() used to loop over the first entry of the cap_dirty dirty list on the assumption that after calling ceph_check_caps() it would be removed from the list. This isn't true for caps that are being migrated between MDSs, where we've received the EXPORT but not the IMPORT. Instead, do a safe list iteration, and pin the next inode on the list via the CEPH_I_NOFLUSH flag. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: include migrating caps in issued setSage Weil2010-03-01
| | | | | | | | | | | | | | | | | | | | | We should include caps that are mid-migration (we've received the EXPORT, but not the IMPORT) in the issued caps set. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: fix osdmap decoding when pools include (removed) snapsSage Weil2010-03-01
| | | | | | | | | | | | | | | | | | Add missing pointer dereference (p is a void **). Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: return EBADF if waiting for caps on closed fileSage Weil2010-03-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Verify the file is actually open for the given caps when we are waiting for caps. This ensures we will wake up and return EBADF if another thread closes the file out from under us. Note that EBADF is also the correct return code from write(2) when called on a file handle opened for reading (although the vfs should catch that). Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: set osd request message front length correctlySage Weil2010-03-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We didn't set the front length correctly. When messages used the message pool we ended up with the conservative max (4 KB), and the rest of the time the slightly less conservative estimate. Even though the OSD ignores the extra data, set it to the right value to avoid sending extra data over the network. Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: reset front len on return to msgpool; BUG on mismatched front iovSage Weil2010-03-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reset msg front len when a message is returned to the pool: the caller may have changed it. BUG if we try to send a message with a hdr.front_len that doesn't match the front iov. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: fix snaptrace decoding on cap migration between mdsSage Weil2010-03-01
| | | | | | | | | | | | | | | | | | | | | This was simply broken. Apparently at some point we thought about putting the snaptrace in the middle section, but didn't. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: use single osd op reply msgSage Weil2010-03-01
| | | | | | | | | | | | | | | | | | | | | Use a single ceph_msg for the osd reply, even when we are getting multiple replies. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: reset bits on connection closeSage Weil2010-03-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clear LOSSYTX bit, so that if/when we reconnect, said reconnect will retry on failure. Clear _PENDING bits too, to avoid polluting subsequent connection state. Drop unused REGISTERED bit. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: remove bogus mds forward warningSage Weil2010-02-26
| | | | | | | | | | | | | | | | | | | | | The must_resend flag is always true, not false. In any case, we can just ignore it anyway. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: remove fragile __map_osds optimizationSage Weil2010-02-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We used to try to avoid freeing and then reallocating the osd struct. This is a bit fragile due to potential interactions with other references (beyond o_requests), and may be the cause of this crash: [120633.442358] BUG: unable to handle kernel NULL pointer dereference at (null) [120633.443292] IP: [<ffffffff812549b6>] rb_erase+0x11d/0x277 [120633.443292] PGD f7ff3067 PUD f7f53067 PMD 0 [120633.443292] Oops: 0000 [#1] PREEMPT SMP [120633.443292] last sysfs file: /sys/kernel/uevent_seqnum [120633.443292] CPU 1 [120633.443292] Modules linked in: ceph fan ac battery psmouse ehci_hcd ide_pci_generic ohci_hcd thermal processor button [120633.443292] Pid: 3023, comm: ceph-msgr/1 Not tainted 2.6.32-rc2 #12 H8SSL [120633.443292] RIP: 0010:[<ffffffff812549b6>] [<ffffffff812549b6>] rb_erase+0x11d/0x277 [120633.443292] RSP: 0018:ffff8800f7b13a50 EFLAGS: 00010246 [120633.443292] RAX: ffff880022907819 RBX: ffff880022907818 RCX: 0000000000000000 [120633.443292] RDX: ffff8800f7b13a80 RSI: ffff8800f587eb48 RDI: 0000000000000000 [120633.443292] RBP: ffff8800f7b13a60 R08: 0000000000000000 R09: 0000000000000004 [120633.443292] R10: 0000000000000000 R11: ffff8800c4441000 R12: ffff8800f587eb48 [120633.443292] R13: ffff8800f58eaa00 R14: ffff8800f413c000 R15: 0000000000000001 [120633.443292] FS: 00007fbef6e226e0(0000) GS:ffff880009200000(0000) knlGS:0000000000000000 [120633.443292] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b [120633.443292] CR2: 0000000000000000 CR3: 00000000f7c53000 CR4: 00000000000006e0 [120633.443292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [120633.443292] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [120633.443292] Process ceph-msgr/1 (pid: 3023, threadinfo ffff8800f7b12000, task ffff8800f5858b40) [120633.443292] Stack: [120633.443292] ffff8800f413c000 ffff8800f587e9c0 ffff8800f7b13a80 ffffffffa0098a86 [120633.443292] <0> 00000000000006f1 0000000000000000 ffff8800f7b13af0 ffffffffa009959b [120633.443292] <0> ffff8800f413c000 ffff880022a68400 ffff880022a68400 ffff8800f587e9c0 [120633.443292] Call Trace: [120633.443292] [<ffffffffa0098a86>] __remove_osd+0x4d/0xbc [ceph] [120633.443292] [<ffffffffa009959b>] __map_osds+0x199/0x4fa [ceph] [120633.443292] [<ffffffffa00999f4>] ? __send_request+0xf8/0x186 [ceph] [120633.443292] [<ffffffffa0099beb>] kick_requests+0x169/0x3cb [ceph] [120633.443292] [<ffffffffa009a8c1>] ceph_osdc_handle_map+0x370/0x522 [ceph] Since we're probably screwed anyway if a small kmalloc is failing, don't bother with trying to be clever here. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: fix connection fault STANDBY checkSage Weil2010-02-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move any out_sent messages to out_queue _before_ checking if out_queue is empty and going to STANDBY, or else we may drop something that was never acked. And clean up the code a bit (less goto). Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: invalidate_authorizer without con->mutex heldSage Weil2010-02-25
| | | | | | | | | | | | | | | | | | | | | | | | This fixes lock ABBA inversion, as the ->invalidate_authorizer() op may need to take a lock (or even call back into the messenger). Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: don't clobber write return value when using O_SYNCYehuda Sadeh2010-02-23
| | | | | | | | | | | | | | | Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: fix client_request_forward decodingSage Weil2010-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | The tid is in the message header, not body. Broken since 6df058c0. No need to look at next mds session; just mark the request and be done. (The old error path was broken too, but now it's gone.) Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: drop messages on unregistered mds sessions; cleanupSage Weil2010-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Verify the mds session is currently registered before handling incoming messages. Clean up message handlers to pull mds out of session->s_mds instead of less trustworthy src field. Clean up con_{get,put} debug output. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: fix comments, locking in destroy_inodeSage Weil2010-02-23
| | | | | | | | | | | | | | | | | | | | | | | | The destroy_inode path needs no inode locks since there are no inode references. Update __ceph_remove_cap comment to reflect that it is called without cap->session->s_mutex in this case. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: move dereference after NULL testAlexander Beregalov2010-02-23
| | | | | | | | | | | | | | | Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: fix up unexpected message handlingSage Weil2010-02-23
| | | | | | | | | | | | | | | | | | | | | | | | Fix skipping of unexpected message types from osd, mon. Clean up pr_info and debug output. Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: cleanup redundant code in handle_cap_grantYehuda Sadeh2010-02-19
| | | | | | | | | | | | | | | | | | | | | | | | There is no state in local vars that requires us to loop after temporarily dropping i_lock. Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
| * | ceph: don't truncate dirty pages in invalidate work threadYehuda Sadeh2010-02-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of truncating the whole range of pages, we skip those pages that are dirty or in the middle of writeback. Those pages will be cleared later when the writeback completes. Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
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