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Ben Myers 0ba6e5368c xfs: stop the sync worker before xfs_unmountfs 
Cancel work of the xfs_sync_worker before teardown of the log in
xfs_unmountfs.  This prevents occasional crashes on unmount like so:

PID: 21602  TASK: ee9df060  CPU: 0   COMMAND: "kworker/0:3"
 #0 [c5377d28] crash_kexec at c0292c94
 #1 [c5377d80] oops_end at c07090c2
 #2 [c5377d98] no_context at c06f614e
 #3 [c5377dbc] __bad_area_nosemaphore at c06f6281
 #4 [c5377df4] bad_area_nosemaphore at c06f629b
 #5 [c5377e00] do_page_fault at c070b0cb
 #6 [c5377e7c] error_code (via page_fault) at c070892c
    EAX: f300c6a8  EBX: f300c6a8  ECX: 000000c0  EDX: 000000c0  EBP: c5377ed0
    DS:  007b      ESI: 00000000  ES:  007b      EDI: 00000001  GS:  ffffad20
    CS:  0060      EIP: c0481ad0  ERR: ffffffff  EFLAGS: 00010246
 #7 [c5377eb0] atomic64_read_cx8 at c0481ad0
 #8 [c5377ebc] xlog_assign_tail_lsn_locked at f7cc7c6e [xfs]
 #9 [c5377ed4] xfs_trans_ail_delete_bulk at f7ccd520 [xfs]
#10 [c5377f0c] xfs_buf_iodone at f7ccb602 [xfs]
#11 [c5377f24] xfs_buf_do_callbacks at f7cca524 [xfs]
#12 [c5377f30] xfs_buf_iodone_callbacks at f7cca5da [xfs]
#13 [c5377f4c] xfs_buf_iodone_work at f7c718d0 [xfs]
#14 [c5377f58] process_one_work at c024ee4c
#15 [c5377f98] worker_thread at c024f43d
#16 [c5377fbc] kthread at c025326b
#17 [c5377fe8] kernel_thread_helper at c070e834

PID: 26653  TASK: e79143b0  CPU: 3   COMMAND: "umount"
 #0 [cde0fda0] __schedule at c0706595
 #1 [cde0fe28] schedule at c0706b89
 #2 [cde0fe30] schedule_timeout at c0705600
 #3 [cde0fe94] __down_common at c0706098
 #4 [cde0fec8] __down at c0706122
 #5 [cde0fed0] down at c025936f
 #6 [cde0fee0] xfs_buf_lock at f7c7131d [xfs]
 #7 [cde0ff00] xfs_freesb at f7cc2236 [xfs]
 #8 [cde0ff10] xfs_fs_put_super at f7c80f21 [xfs]
 #9 [cde0ff1c] generic_shutdown_super at c0333d7a
#10 [cde0ff38] kill_block_super at c0333e0f
#11 [cde0ff48] deactivate_locked_super at c0334218
#12 [cde0ff58] deactivate_super at c033495d
#13 [cde0ff68] mntput_no_expire at c034bc13
#14 [cde0ff7c] sys_umount at c034cc69
#15 [cde0ffa0] sys_oldumount at c034ccd4
#16 [cde0ffb0] system_call at c0707e66

commit 11159a05 added this to xfs_log_unmount and needs to be cleaned up
at a later date.

Signed-off-by: Ben Myers <bpm@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
2012-09-18 16:51:26 -05:00
..
Kconfig
kmem.c xfs: switch to proper __bitwise type for KM_... flags 2012-05-29 23:28:32 -04:00
kmem.h xfs: switch to proper __bitwise type for KM_... flags 2012-05-29 23:28:32 -04:00
Makefile xfs: move xfs_do_force_shutdown() and kill xfs_rw.c 2012-05-14 16:20:59 -05:00
mrlock.h
time.h
uuid.c
uuid.h
xfs_acl.c xfs: fix acl count validation in xfs_acl_from_disk() 2011-12-16 15:17:42 -06:00
xfs_acl.h
xfs_ag.h xfs: move busy extent handling to it's own file 2012-05-14 16:20:55 -05:00
xfs_alloc_btree.c xfs: clean up xfs_bit.h includes 2012-05-14 16:21:00 -05:00
xfs_alloc_btree.h xfs: struct xfs_buf_log_format isn't variable sized. 2012-07-01 14:50:04 -05:00
xfs_alloc.c xfs: don't defer metadata allocation to the workqueue 2012-07-13 13:09:27 -05:00
xfs_alloc.h xfs: move busy extent handling to it's own file 2012-05-14 16:20:55 -05:00
xfs_aops.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-08-01 10:26:23 -07:00
xfs_aops.h Prefix IO_XX flags with XFS_IO_XX to avoid namespace colision. 2012-07-22 11:00:55 -05:00
xfs_attr_leaf.c xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_attr_leaf.h xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_attr_sf.h
xfs_attr.c xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_attr.h
xfs_bit.c
xfs_bit.h
xfs_bmap_btree.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_bmap_btree.h
xfs_bmap.c xfs: make largest supported offset less shouty 2012-06-14 12:28:24 -05:00
xfs_bmap.h xfs: move xfs_fsb_to_db to xfs_bmap.h 2012-05-14 16:20:57 -05:00
xfs_btree.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_btree.h
xfs_buf_item.c xfs: do not call xfs_bdstrat_cb in xfs_buf_iodone_callbacks 2012-07-13 13:09:49 -05:00
xfs_buf_item.h xfs: support discontiguous buffers in the xfs_buf_log_item 2012-07-01 14:50:06 -05:00
xfs_buf.c xfs: fix race while discarding buffers [V4] 2012-08-29 15:01:11 -05:00
xfs_buf.h xfs: fix race while discarding buffers [V4] 2012-08-29 15:01:11 -05:00
xfs_da_btree.c xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_da_btree.h xfs: fix comment typo of struct xfs_da_blkinfo. 2012-07-22 10:34:42 -05:00
xfs_dfrag.c xfs: clean up xfs_bit.h includes 2012-05-14 16:21:00 -05:00
xfs_dfrag.h
xfs_dinode.h xfs: fix typo in comment of xfs_dinode_t. 2012-06-14 12:28:26 -05:00
xfs_dir2_block.c xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_dir2_data.c xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_dir2_format.h
xfs_dir2_leaf.c xfs: factor buffer reading from xfs_dir2_leaf_getdents 2012-07-01 14:50:08 -05:00
xfs_dir2_node.c xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_dir2_priv.h xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_dir2_sf.c xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_dir2.c xfs: remove struct xfs_dabuf and infrastructure 2012-07-01 14:50:07 -05:00
xfs_dir2.h
xfs_discard.c xfs: check for possible overflow in xfs_ioc_trim 2012-08-23 14:48:44 -05:00
xfs_discard.h
xfs_dquot_item.c xfs: clean up xfs_bit.h includes 2012-05-14 16:21:00 -05:00
xfs_dquot_item.h
xfs_dquot.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_dquot.h xfs: on-stack delayed write buffer lists 2012-05-14 16:20:31 -05:00
xfs_error.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_error.h
xfs_export.c ->encode_fh() API change 2012-05-29 23:28:33 -04:00
xfs_export.h
xfs_extent_busy.c xfs: make xfs_extent_busy_trim not static 2012-05-14 16:21:04 -05:00
xfs_extent_busy.h xfs: make xfs_extent_busy_trim not static 2012-05-14 16:21:04 -05:00
xfs_extfree_item.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_extfree_item.h
xfs_file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-08-01 10:26:23 -07:00
xfs_filestream.c
xfs_filestream.h
xfs_fs_subr.c xfs: remove the i_size field in struct xfs_inode 2012-01-17 15:08:53 -06:00
xfs_fs.h
xfs_fsops.c xfs: make XBF_MAPPED the default behaviour 2012-05-14 16:21:03 -05:00
xfs_fsops.h
xfs_globals.c
xfs_ialloc_btree.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_ialloc_btree.h
xfs_ialloc.c xfs: unlock the AGI buffer when looping in xfs_dialloc 2012-08-23 14:48:32 -05:00
xfs_ialloc.h xfs: remove the alloc_done argument to xfs_dialloc 2012-07-29 16:00:31 -05:00
xfs_iget.c xfs: remove iolock lock classes 2012-07-29 16:23:51 -05:00
xfs_inode_item.c xfs: check for stale inode before acquiring iflock on push 2012-06-21 14:20:06 -05:00
xfs_inode_item.h xfs: pass shutdown method into xfs_trans_ail_delete_bulk 2012-05-14 16:20:33 -05:00
xfs_inode.c xfs: do not take the iolock in xfs_inactive 2012-07-29 16:16:49 -05:00
xfs_inode.h xfs: remove iolock lock classes 2012-07-29 16:23:51 -05:00
xfs_inum.h xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_ioctl32.c xfs: Convert to new freezing code 2012-07-31 09:45:48 +04:00
xfs_ioctl32.h
xfs_ioctl.c xfs: Convert to new freezing code 2012-07-31 09:45:48 +04:00
xfs_ioctl.h
xfs_iomap.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-08-01 10:26:23 -07:00
xfs_iomap.h
xfs_iops.c xfs: update for 3.6-rc1 2012-07-30 13:37:53 -07:00
xfs_iops.h
xfs_itable.c xfs: merge xfs_itobp into xfs_imap_to_bp 2012-07-22 10:46:56 -05:00
xfs_itable.h
xfs_linux.h
xfs_log_cil.c xfs: rename log structure to xlog 2012-06-21 14:21:11 -05:00
xfs_log_priv.h xfs: remove xlog_t typedef 2012-06-21 14:22:27 -05:00
xfs_log_recover.c xfs: merge xfs_itobp into xfs_imap_to_bp 2012-07-22 10:46:56 -05:00
xfs_log_recover.h
xfs_log.c xfs: remove xlog_t typedef 2012-06-21 14:22:27 -05:00
xfs_log.h xfs: allow assigning the tail lsn with the AIL lock held 2012-05-14 16:20:26 -05:00
xfs_message.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_message.h treewide: use __printf not __attribute__((format(printf,...))) 2011-10-31 17:30:54 -07:00
xfs_mount.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-08-01 10:26:23 -07:00
xfs_mount.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-08-01 10:26:23 -07:00
xfs_mru_cache.c
xfs_mru_cache.h
xfs_qm_bhv.c xfs: clean up xfs_bit.h includes 2012-05-14 16:21:00 -05:00
xfs_qm_syscalls.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_qm.c xfs: make largest supported offset less shouty 2012-06-14 12:28:24 -05:00
xfs_qm.h xfs: remove the global xfs_Gqm structure 2012-03-14 12:06:32 -05:00
xfs_quota_priv.h xfs: use per-filesystem radix trees for dquot lookup 2012-03-14 11:09:06 -05:00
xfs_quota.h Define new macro XFS_ALL_QUOTA_ACTIVE and simply some usage 2012-02-03 11:32:20 -06:00
xfs_quotaops.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_rename.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_rtalloc.c xfs: fix uninitialised variable in xfs_rtbuf_get() 2012-08-23 14:48:16 -05:00
xfs_rtalloc.h
xfs_sb.h xfs: kill the unused XFS_BB_FSB_OFFSET macro 2012-02-02 17:08:04 -06:00
xfs_stats.c xfs: use common code for quota statistics 2012-03-14 11:09:06 -05:00
xfs_stats.h xfs: use common code for quota statistics 2012-03-14 11:09:06 -05:00
xfs_super.c xfs: stop the sync worker before xfs_unmountfs 2012-09-18 16:51:26 -05:00
xfs_super.h xfs: remove the global xfs_Gqm structure 2012-03-14 12:06:32 -05:00
xfs_sync.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-08-01 10:26:23 -07:00
xfs_sync.h xfs: log timestamp updates 2012-03-13 17:01:15 -05:00
xfs_sysctl.c
xfs_sysctl.h
xfs_trace.c xfs: clean up xfs_bit.h includes 2012-05-14 16:21:00 -05:00
xfs_trace.h xfs: implement ->update_time 2012-07-22 10:38:32 -05:00
xfs_trans_ail.c xfs: re-enable xfsaild idle mode and fix associated races 2012-07-29 16:27:57 -05:00
xfs_trans_buf.c xfs: add discontiguous buffer support to transactions 2012-07-01 14:50:06 -05:00
xfs_trans_dquot.c xfs: clean up xfs_bit.h includes 2012-05-14 16:21:00 -05:00
xfs_trans_extfree.c xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_trans_inode.c xfs: clean up xfs_bit.h includes 2012-05-14 16:21:00 -05:00
xfs_trans_priv.h xfs: re-enable xfsaild idle mode and fix associated races 2012-07-29 16:27:57 -05:00
xfs_trans_space.h
xfs_trans.c xfs: Convert to new freezing code 2012-07-31 09:45:48 +04:00
xfs_trans.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-08-01 10:26:23 -07:00
xfs_types.h xfs: struct xfs_buf_log_format isn't variable sized. 2012-07-01 14:50:04 -05:00
xfs_utils.c xfs: remove the alloc_done argument to xfs_dialloc 2012-07-29 16:00:31 -05:00
xfs_utils.h xfs: propagate umode_t 2012-01-03 22:55:00 -05:00
xfs_vnode.h xfs: remove remaining scraps of struct xfs_iomap 2012-03-15 13:40:16 -05:00
xfs_vnodeops.c xfs: avoid the iolock in xfs_free_eofblocks for evicted inodes 2012-07-29 16:22:20 -05:00
xfs_vnodeops.h xfs: remove remaining scraps of struct xfs_iomap 2012-03-15 13:40:16 -05:00
xfs_xattr.c
xfs.h