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| author | Milosz Tanski <milosz@adfin.com> | 2013-09-09 14:28:57 -0400 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2013-09-10 09:04:46 -0700 |
| commit | 9c89d62948c4740e379a7e0085dd8d7c1561f53f (patch) | |
| tree | 38cd18d441d462defbc7653c21ab3e695526e41e /drivers/dio | |
| parent | da6a6b63978d45f9ae582d1f362f182012da3a22 (diff) | |
| download | linux-9c89d62948c4740e379a7e0085dd8d7c1561f53f.tar.gz | |
fscache: check consistency does not decrement refcount
__fscache_check_consistency() does not decrement the count of operations active after it finishes in the success case. This leads to a hung tasks on cookie de-registration (commonly in inode eviction). INFO: task kworker/1:2:4214 blocked for more than 120 seconds. kworker/1:2 D ffff880443513fc0 0 4214 2 0x00000000 Workqueue: ceph-msgr con_work [libceph] ... Call Trace: [<ffffffff81569fc6>] ? _raw_spin_unlock_irqrestore+0x16/0x20 [<ffffffffa0016570>] ? fscache_wait_bit_interruptible+0x30/0x30 [fscache] [<ffffffff81568d09>] schedule+0x29/0x70 [<ffffffffa001657e>] fscache_wait_atomic_t+0xe/0x20 [fscache] [<ffffffff815665cf>] out_of_line_wait_on_atomic_t+0x9f/0xe0 [<ffffffff81083560>] ? autoremove_wake_function+0x40/0x40 [<ffffffffa0015a9c>] __fscache_relinquish_cookie+0x15c/0x310 [fscache] [<ffffffffa00a4fae>] ceph_fscache_unregister_inode_cookie+0x3e/0x50 [ceph] [<ffffffffa007e373>] ceph_destroy_inode+0x33/0x200 [ceph] [<ffffffff811c13ae>] ? __fsnotify_inode_delete+0xe/0x10 [<ffffffff8119ba1c>] destroy_inode+0x3c/0x70 [<ffffffff8119bb69>] evict+0x119/0x1b0 Signed-off-by: Milosz Tanski <milosz@adfin.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Sage Weil <sage@inktank.com>
Diffstat (limited to 'drivers/dio')
0 files changed, 0 insertions, 0 deletions