On Thu, 27 Dec 2012 02:39:57 -0500 (EST) CAI Qian <caiqian@xxxxxxxxxx> wrote: > > > ----- Original Message ----- > > From: "Jeff Layton" <jlayton@xxxxxxxxxx> > > To: "CAI Qian" <caiqian@xxxxxxxxxx> > > Cc: linux-cifs@xxxxxxxxxxxxxxx, smfrench@xxxxxxxxx > > Sent: Wednesday, December 26, 2012 7:53:07 PM > > Subject: Re: [PATCH] cifs: move check for NULL socket into smb_send_rqst > > > > On Tue, 25 Dec 2012 22:48:15 -0500 (EST) > > CAI Qian <caiqian@xxxxxxxxxx> wrote: > > > > > > > > > > > ----- Original Message ----- > > > > From: "CAI Qian" <caiqian@xxxxxxxxxx> > > > > To: "Jeff Layton" <jlayton@xxxxxxxxxx> > > > > Cc: linux-cifs@xxxxxxxxxxxxxxx, smfrench@xxxxxxxxx > > > > Sent: Wednesday, December 26, 2012 10:48:31 AM > > > > Subject: Re: [PATCH] cifs: move check for NULL socket into > > > > smb_send_rqst > > > > > > > > Thanks for the quick patch, Jeff. I have just reproduced this > > > > again, > > > > so I'll try to test this patch to see how it goes. :) > > > OK, it is now triggering hung task below after applied this patch. > > > Jeff, > > > was that the locking issue you mentioned before? I'll see if I can > > > craft out > > > a straight reproducer. > > > > > > > Nope, that looks unrelated to the original problem. It almost looks > > like there might be 2 deadlocks involved here. One involving the page > > lock and one on the i_mutex? It's possible that those are related to > > one another, but I can't tell just from the hung task warnings below. > OK, thanks for looking. After some extensive testing (xfstests, ltp, > Connectathon), the oops could not be triggered anymore. Feel free to > take my tested-by tag if necessary. :) > > Tested-by: CAI Qian <caiqian@xxxxxxxxxx> > > > > > > > INFO: task ls:12881 blocked for more than 120 seconds. > > > [ 1923.104385] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables this message. > > > [ 1923.113311] ls D ffff88085fcd3c40 0 12881 > > > 1 0x00000084 > > > [ 1923.121544] ffff8820482d1c18 0000000000000086 ffff88205b9eb240 > > > ffff8820482d1fd8 > > > [ 1923.130164] ffff8820482d1fd8 ffff8820482d1fd8 ffff88085c596480 > > > ffff88205b9eb240 > > > [ 1923.138877] 0000000000000022 ffff882032da83c0 ffff882032da83c4 > > > ffff88205b9eb240 > > > [ 1923.147625] Call Trace: > > > [ 1923.150584] [] schedule+0x29/0x70 > > > [ 1923.156321] [] > > > schedule_preempt_disabled+0xe/0x10 > > > [ 1923.163625] [] > > > __mutex_lock_slowpath+0xc3/0x140 > > > [ 1923.170717] [] mutex_lock+0x2a/0x50 > > > [ 1923.176646] [] lookup_slow+0x39/0xab > > > [ 1923.182701] [] link_path_walk+0x816/0x870 > > > [ 1923.189207] [] ? > > > kmem_cache_alloc_trace+0x11a/0x130 > > > [ 1923.196712] [] path_openat+0x9f/0x4d0 > > > [ 1923.202833] [] ? kmem_cache_free+0x20/0x160 > > > [ 1923.209561] [] ? mempool_free_slab+0x17/0x20 > > > [ 1923.216355] [] ? mempool_free+0x54/0xb0 > > > [ 1923.222665] [] do_filp_open+0x41/0xa0 > > > [ 1923.228815] [] ? __alloc_fd+0x42/0x110 > > > [ 1923.235031] [] do_sys_open+0xf4/0x1e0 > > > [ 1923.241153] [] ? > > > __audit_syscall_entry+0xcc/0x300 > > > [ 1923.248440] [] sys_openat+0x14/0x20 > > > [ 1923.254366] [] system_call_fastpath+0x16/0x1b > > > [ 1923.261265] INFO: task ls:12894 blocked for more than 120 > > > seconds. > > > [ 1923.268345] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables this message. > > > [ 1923.277269] ls D ffff88085fcb3c40 0 12894 > > > 1 0x00000084 > > > [ 1923.285517] ffff88105715fc18 0000000000000082 ffff881040d83240 > > > ffff88105715ffd8 > > > [ 1923.294114] ffff88105715ffd8 ffff88105715ffd8 ffff88205a5b3240 > > > ffff881040d83240 > > > [ 1923.302847] ffff88205780c200 ffff882032da83c0 ffff882032da83c4 > > > ffff881040d83240 > > > [ 1923.311578] Call Trace: > > > [ 1923.314501] [] schedule+0x29/0x70 > > > [ 1923.320240] [] > > > schedule_preempt_disabled+0xe/0x10 > > > [ 1923.327521] [] > > > __mutex_lock_slowpath+0xc3/0x140 > > > [ 1923.334596] [] mutex_lock+0x2a/0x50 > > > [ 1923.340520] [] lookup_slow+0x39/0xab > > > [ 1923.346537] [] link_path_walk+0x816/0x870 > > > [ 1923.353063] [] ? > > > kmem_cache_alloc_trace+0x11a/0x130 > > > [ 1923.360542] [] path_openat+0x9f/0x4d0 > > > [ 1923.366675] [] ? > > > initiate_cifs_search+0x17a/0x250 [cifs] > > > [ 1923.374631] [] do_filp_open+0x41/0xa0 > > > [ 1923.380745] [] ? __alloc_fd+0x42/0x110 > > > [ 1923.386962] [] do_sys_open+0xf4/0x1e0 > > > [ 1923.393076] [] ? > > > __audit_syscall_entry+0xcc/0x300 > > > [ 1923.400360] [] sys_openat+0x14/0x20 > > > [ 1923.406308] [] system_call_fastpath+0x16/0x1b > > > [ 1923.413199] INFO: task dd:12957 blocked for more than 120 > > > seconds. > > > [ 1923.420279] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables this message. > > > [ 1923.429235] dd D ffff88105fc33c40 0 12957 > > > 1 0x00000086 > > > [ 1923.437466] ffff882057861a08 0000000000000046 ffff88205c314b60 > > > ffff882057861fd8 > > > [ 1923.446255] ffff882057861fd8 ffff882057861fd8 ffff88085c559920 > > > ffff88205c314b60 > > > [ 1923.454856] ffff882057861a08 ffff88205c314b60 ffff88105fc344a8 > > > 0000000000000002 > > > [ 1923.463558] Call Trace: > > > [ 1923.466497] [] ? __lock_page+0x70/0x70 > > > [ 1923.472721] [] schedule+0x29/0x70 > > > [ 1923.478436] [] io_schedule+0x8f/0xd0 > > > [ 1923.484476] [] sleep_on_page+0xe/0x20 > > > [ 1923.490597] [] __wait_on_bit+0x60/0x90 > > > [ 1923.496814] [] ? > > > find_get_pages_tag+0x102/0x1b0 > > > [ 1923.503901] [] wait_on_page_bit+0x80/0x90 > > > [ 1923.510410] [] ? > > > autoremove_wake_function+0x50/0x50 > > > [ 1923.517878] [] > > > filemap_fdatawait_range+0x101/0x190 > > > [ 1923.525285] [] filemap_fdatawait+0x27/0x30 > > > [ 1923.531886] [] > > > filemap_write_and_wait+0x44/0x60 > > > [ 1923.538997] [] cifs_flush+0x59/0x80 [cifs] > > > [ 1923.545600] [] filp_close+0x3f/0xa0 > > > [ 1923.551524] [] put_files_struct+0x9c/0xf0 > > > [ 1923.558035] [] exit_files+0x4b/0x60 > > > [ 1923.563964] [] do_exit+0x191/0x8d0 > > > [ 1923.569818] [] do_group_exit+0x3f/0xa0 > > > [ 1923.576035] [] > > > get_signal_to_deliver+0x1ba/0x5d0 > > > [ 1923.583220] [] ? do_sync_write+0xa7/0xe0 > > > [ 1923.589646] [] do_signal+0x3f/0x610 > > > [ 1923.595571] [] do_notify_resume+0x65/0x80 > > > [ 1923.602083] [] ? > > > __audit_syscall_exit+0x3ec/0x450 > > > [ 1923.609364] [] int_signal+0x12/0x17 > > > [ 1923.615289] INFO: task dd:13001 blocked for more than 120 > > > seconds. > > > [ 1923.622369] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables this message. > > > [ 1923.631312] dd D ffff88085fc73c40 0 13001 > > > 1 0x00000084 > > > [ 1923.639570] ffff88205a1cbcf8 0000000000000082 ffff882048354b60 > > > ffff88205a1cbfd8 > > > [ 1923.648184] ffff88205a1cbfd8 ffff88205a1cbfd8 ffff88085c56b240 > > > ffff882048354b60 > > > [ 1923.656883] ffff88205a1cbcf8 ffff882048354b60 ffff88085fc744a8 > > > 0000000000000002 > > > [ 1923.665643] Call Trace: > > > [ 1923.668571] [] ? __lock_page+0x70/0x70 > > > [ 1923.674782] [] schedule+0x29/0x70 > > > [ 1923.680512] [] io_schedule+0x8f/0xd0 > > > [ 1923.686528] [] sleep_on_page+0xe/0x20 > > > [ 1923.692642] [] __wait_on_bit+0x60/0x90 > > > [ 1923.698858] [] ? > > > find_get_pages_tag+0x102/0x1b0 > > > [ 1923.705949] [] wait_on_page_bit+0x80/0x90 > > > [ 1923.712450] [] ? > > > autoremove_wake_function+0x50/0x50 > > > [ 1923.719955] [] > > > filemap_fdatawait_range+0x101/0x190 > > > [ 1923.727368] [] filemap_fdatawait+0x27/0x30 > > > [ 1923.733972] [] > > > filemap_write_and_wait+0x44/0x60 > > > [ 1923.741073] [] cifs_flush+0x59/0x80 [cifs] > > > [ 1923.747677] [] filp_close+0x3f/0xa0 > > > [ 1923.753583] [] __close_fd+0x77/0x90 > > > [ 1923.759500] [] sys_close+0x20/0x50 > > > [ 1923.765326] [] system_call_fastpath+0x16/0x1b > > > [ 1923.772204] INFO: task mv:13050 blocked for more than 120 > > > seconds. > > > [ 1923.779293] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables this message. > > > [ 1923.788214] mv D ffff88185fcf3c40 0 13050 > > > 1 0x00000084 > > > [ 1923.796457] ffff88204e955a18 0000000000000082 ffff88205ac61920 > > > ffff88204e955fd8 > > > [ 1923.805094] ffff88204e955fd8 ffff88204e955fd8 ffff88085c5ae480 > > > ffff88205ac61920 > > > [ 1923.813822] ffff88204e955a18 ffff88205ac61920 ffff88185fcf44a8 > > > 0000000000000002 > > > [ 1923.822548] Call Trace: > > > [ 1923.825489] [] ? __lock_page+0x70/0x70 > > > [ 1923.831712] [] schedule+0x29/0x70 > > > [ 1923.837431] [] io_schedule+0x8f/0xd0 > > > [ 1923.843447] [] sleep_on_page+0xe/0x20 > > > [ 1923.849562] [] __wait_on_bit+0x60/0x90 > > > [ 1923.855777] [] ? find_get_pages+0xf5/0x190 > > > [ 1923.862382] [] wait_on_page_bit+0x80/0x90 > > > [ 1923.868886] [] ? > > > autoremove_wake_function+0x50/0x50 > > > [ 1923.876373] [] > > > invalidate_inode_pages2_range+0x170/0x370 > > > [ 1923.884347] [] > > > invalidate_inode_pages2+0x17/0x20 > > > [ 1923.891539] [] > > > cifs_invalidate_mapping+0x45/0x90 [cifs] > > > [ 1923.899418] [] > > > cifs_revalidate_dentry+0x38/0x40 [cifs] > > > [ 1923.907196] [] cifs_d_revalidate+0x27/0xb0 > > > [cifs] > > > [ 1923.914509] [] lookup_fast+0x2e0/0x310 > > > [ 1923.920723] [] path_lookupat+0x120/0x760 > > > [ 1923.927137] [] ? handle_pte_fault+0x95/0x9e0 > > > [ 1923.933953] [] ? kmem_cache_alloc+0x31/0x130 > > > [ 1923.940783] [] filename_lookup+0x34/0xc0 > > > [ 1923.947188] [] user_path_at_empty+0x8e/0x110 > > > [ 1923.953993] [] ? __do_page_fault+0x244/0x4e0 > > > [ 1923.960797] [] user_path_at+0x11/0x20 > > > [ 1923.966962] [] vfs_fstatat+0x35/0x70 > > > [ 1923.972993] [] ? file_has_perm+0x97/0xb0 > > > [ 1923.979412] [] vfs_stat+0x1b/0x20 > > > [ 1923.985137] [] sys_newstat+0x1a/0x40 > > > [ 1923.991178] [] ? > > > __audit_syscall_entry+0xcc/0x300 > > > [ 1923.998457] [] ? do_page_fault+0xe/0x10 > > > [ 1924.004775] [] system_call_fastpath+0x16/0x1b > > > [ 1924.011669] INFO: task ln:13085 blocked for more than 120 > > > seconds. > > > [ 1924.018754] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables this message. > > > [ 1924.027709] ln D ffff88085fd33c40 0 13085 > > > 1 0x00000084 > > > [ 1924.035957] ffff88185385dbe8 0000000000000082 ffff88185b241920 > > > ffff88185385dfd8 > > > [ 1924.044565] ffff88185385dfd8 ffff88185385dfd8 ffff88085c5d1920 > > > ffff88185b241920 > > > [ 1924.053331] ffff882032da8318 ffff882032da83c0 ffff882032da83c4 > > > ffff88185b241920 > > > [ 1924.062052] Call Trace: > > > [ 1924.064895] [] schedule+0x29/0x70 > > > [ 1924.070629] [] > > > schedule_preempt_disabled+0xe/0x10 > > > [ 1924.077930] [] > > > __mutex_lock_slowpath+0xc3/0x140 > > > [ 1924.085043] [] mutex_lock+0x2a/0x50 > > > [ 1924.090999] [] lookup_slow+0x39/0xab > > > [ 1924.097041] [] path_lookupat+0x6ff/0x760 > > > [ 1924.103447] [] ? handle_pte_fault+0x95/0x9e0 > > > [ 1924.110267] [] ? kmem_cache_alloc+0x31/0x130 > > > [ 1924.117093] [] filename_lookup+0x34/0xc0 > > > [ 1924.123508] [] user_path_at_empty+0x8e/0x110 > > > [ 1924.130318] [] ? __do_page_fault+0x244/0x4e0 > > > [ 1924.137137] [] user_path_at+0x11/0x20 > > > [ 1924.143285] [] vfs_fstatat+0x35/0x70 > > > [ 1924.149315] [] ? vm_mmap_pgoff+0x88/0xb0 > > > [ 1924.155715] [] vfs_stat+0x1b/0x20 > > > [ 1924.161468] [] sys_newstat+0x1a/0x40 > > > [ 1924.167491] [] ? > > > __audit_syscall_entry+0xcc/0x300 > > > [ 1924.174774] [] ? do_page_fault+0xe/0x10 > > > [ 1924.181098] [] system_call_fastpath+0x16/0x1b > > > [ 1924.187990] INFO: task mkdir:13087 blocked for more than 120 > > > seconds. > > > [ 1924.195365] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables this message. > > > [ 1924.204288] mkdir D ffff88105fcf3c40 0 13087 > > > 1 0x00000084 > > > [ 1924.212561] ffff88084b30fb78 0000000000000082 ffff88085b213240 > > > ffff88084b30ffd8 > > > [ 1924.221134] ffff88084b30ffd8 ffff88084b30ffd8 ffff88085c5b8000 > > > ffff88085b213240 > > > [ 1924.229889] ffff88084b30fb78 ffff88085b213240 ffff88105fcf44a8 > > > 0000000000000002 > > > [ 1924.238829] Call Trace: > > > [ 1924.241753] [] ? __lock_page+0x70/0x70 > > > [ 1924.247998] [] schedule+0x29/0x70 > > > [ 1924.253750] [] io_schedule+0x8f/0xd0 > > > [ 1924.259795] [] sleep_on_page+0xe/0x20 > > > [ 1924.265935] [] __wait_on_bit_lock+0x5b/0xc0 > > > [ 1924.272632] [] ? find_get_pages+0xf5/0x190 > > > [ 1924.279256] [] __lock_page+0x67/0x70 > > > [ 1924.285274] [] ? > > > autoremove_wake_function+0x50/0x50 > > > [ 1924.292743] [] > > > invalidate_inode_pages2_range+0x14b/0x370 > > > [ 1924.300706] [] > > > invalidate_inode_pages2+0x17/0x20 > > > [ 1924.307922] [] > > > cifs_invalidate_mapping+0x45/0x90 [cifs] > > > [ 1924.315820] [] > > > cifs_revalidate_dentry+0x38/0x40 [cifs] > > > [ 1924.323599] [] cifs_d_revalidate+0x27/0xb0 > > > [cifs] > > > [ 1924.330860] [] lookup_dcache+0x80/0xd0 > > > [ 1924.337108] [] ? > > > __mutex_lock_slowpath+0xcb/0x140 > > > [ 1924.344409] [] __lookup_hash+0x23/0x50 > > > [ 1924.350649] [] lookup_hash+0x19/0x20 > > > [ 1924.356674] [] kern_path_create+0x8b/0x170 > > > [ 1924.363279] [] ? > > > getname_flags.part.32+0x86/0x150 > > > [ 1924.370576] [] user_path_create+0x4a/0x70 > > > [ 1924.377106] [] sys_mkdirat+0x21/0x80 > > > [ 1924.383128] [] sys_mkdir+0x19/0x20 > > > [ 1924.388982] [] system_call_fastpath+0x16/0x1b > > > [ 1924.395905] INFO: task mkdir:13090 blocked for more than 120 > > > seconds. > > > [ 1924.403263] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables this message. > > > [ 1924.412217] mkdir D ffff88185fd73c40 0 13090 > > > 1 0x00000084 > > > [ 1924.420443] ffff8808565b9da8 0000000000000082 ffff88085b6e3240 > > > ffff8808565b9fd8 > > > [ 1924.429024] ffff8808565b9fd8 ffff8808565b9fd8 ffff88105b928000 > > > ffff88085b6e3240 > > > [ 1924.437772] ffff8808565b9e18 ffff882032da83c0 ffff882032da83c4 > > > ffff88085b6e3240 > > > [ 1924.446695] Call Trace: > > > [ 1924.449647] [] schedule+0x29/0x70 > > > [ 1924.455375] [] > > > schedule_preempt_disabled+0xe/0x10 > > > [ 1924.462670] [] > > > __mutex_lock_slowpath+0xc3/0x140 > > > [ 1924.469756] [] mutex_lock+0x2a/0x50 > > > [ 1924.475709] [] kern_path_create+0x7f/0x170 > > > [ 1924.482312] [] ? > > > getname_flags.part.32+0x86/0x150 > > > [ 1924.489595] [] user_path_create+0x4a/0x70 > > > [ 1924.496098] [] sys_mkdirat+0x21/0x80 > > > [ 1924.502123] [] sys_mkdir+0x19/0x20 > > > [ 1924.507973] [] system_call_fastpath+0x16/0x1b > > > [ 1924.514887] INFO: task ln:13100 blocked for more than 120 > > > seconds. > > > [ 1924.521992] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables this message. > > > [ 1924.530942] ln D ffff88185fd53c40 0 13100 > > > 1 0x00000084 > > > [ 1924.539189] ffff88184e6f7be8 0000000000000086 ffff88184a136480 > > > ffff88184e6f7fd8 > > > [ 1924.547796] ffff88184e6f7fd8 ffff88184e6f7fd8 ffff88085c5e9920 > > > ffff88184a136480 > > > [ 1924.556757] ffff882032da8318 ffff882032da83c0 ffff882032da83c4 > > > ffff88184a136480 > > > [ 1924.565375] Call Trace: > > > [ 1924.568300] [] schedule+0x29/0x70 > > > [ 1924.574034] [] > > > schedule_preempt_disabled+0xe/0x10 > > > [ 1924.581298] [] > > > __mutex_lock_slowpath+0xc3/0x140 > > > [ 1924.588379] [] mutex_lock+0x2a/0x50 > > > [ 1924.594332] [] lookup_slow+0x39/0xab > > > [ 1924.600363] [] path_lookupat+0x6ff/0x760 > > > [ 1924.606751] [] ? handle_pte_fault+0x95/0x9e0 > > > [ 1924.613551] [] ? kmem_cache_alloc+0x31/0x130 > > > [ 1924.620378] [] filename_lookup+0x34/0xc0 > > > [ 1924.626785] [] user_path_at_empty+0x8e/0x110 > > > [ 1924.633587] [] ? __do_page_fault+0x244/0x4e0 > > > [ 1924.640380] [] user_path_at+0x11/0x20 > > > [ 1924.646497] [] vfs_fstatat+0x35/0x70 > > > [ 1924.652513] [] ? vm_mmap_pgoff+0x88/0xb0 > > > [ 1924.658939] [] vfs_stat+0x1b/0x20 > > > [ 1924.664698] [] sys_newstat+0x1a/0x40 > > > [ 1924.670743] [] ? > > > __audit_syscall_entry+0xcc/0x300 > > > [ 1924.678047] [] ? do_page_fault+0xe/0x10 > > > [ 1924.684358] [] system_call_fastpath+0x16/0x1b > > > [ 1924.691277] INFO: task ln:13101 blocked for more than 120 > > > seconds. > > > [ 1924.698385] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > > disables this message. > > > [ 1924.707314] ln D ffff88105fc73c40 0 13101 > > > 1 0x00000084 > > > [ 1924.715544] ffff881856663a18 0000000000000082 ffff88185ae8b240 > > > ffff881856663fd8 > > > [ 1924.724185] ffff881856663fd8 ffff881856663fd8 ffff88085c56e480 > > > ffff88185ae8b240 > > > [ 1924.732906] ffff881856663a18 ffff88185ae8b240 ffff88105fc744a8 > > > 0000000000000002 > > > [ 1924.741629] Call Trace: > > > [ 1924.744544] [] ? __lock_page+0x70/0x70 > > > [ 1924.750762] [] schedule+0x29/0x70 > > > [ 1924.756487] [] io_schedule+0x8f/0xd0 > > > [ 1924.762536] [] sleep_on_page+0xe/0x20 > > > [ 1924.768678] [] __wait_on_bit+0x60/0x90 > > > [ 1924.774919] [] ? find_get_pages+0xf5/0x190 > > > [ 1924.781533] [] wait_on_page_bit+0x80/0x90 > > > [ 1924.788047] [] ? > > > autoremove_wake_function+0x50/0x50 > > > [ 1924.795548] [] > > > invalidate_inode_pages2_range+0x170/0x370 > > > [ 1924.803530] [] > > > invalidate_inode_pages2+0x17/0x20 > > > [ 1924.810728] [] > > > cifs_invalidate_mapping+0x45/0x90 [cifs] > > > [ 1924.818621] [] > > > cifs_revalidate_dentry+0x38/0x40 [cifs] > > > [ 1924.826387] [] cifs_d_revalidate+0x27/0xb0 > > > [cifs] > > > [ 1924.833676] [] lookup_fast+0x2e0/0x310 > > > [ 1924.839881] [] path_lookupat+0x120/0x760 > > > [ 1924.846301] [] ? handle_pte_fault+0x95/0x9e0 > > > [ 1924.853129] [] ? kmem_cache_alloc+0x31/0x130 > > > [ 1924.859926] [] filename_lookup+0x34/0xc0 > > > [ 1924.866352] [] user_path_at_empty+0x8e/0x110 > > > [ 1924.873152] [] ? __do_page_fault+0x244/0x4e0 > > > [ 1924.879944] [] user_path_at+0x11/0x20 > > > [ 1924.886101] [] vfs_fstatat+0x35/0x70 > > > [ 1924.892145] [] ? vm_mmap_pgoff+0x88/0xb0 > > > [ 1924.898551] [] vfs_stat+0x1b/0x20 > > > [ 1924.904279] [] sys_newstat+0x1a/0x40 > > > [ 1924.910328] [] ? > > > __audit_syscall_entry+0xcc/0x300 > > > [ 1924.917617] [] ? do_page_fault+0xe/0x10 > > > [ 1924.923924] [] system_call_fastpath+0x16/0x1b > > > > > > > > > > -- > > Jeff Layton <jlayton@xxxxxxxxxx> > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-cifs" > > in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html Thanks Cai, Steve, I've gone ahead and pushed this patch to my cifs-3.8 and cifs-next branches. -- Jeff Layton <jlayton@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
