Milosz Tanski <milosz@xxxxxxxxx> wrote: > __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@xxxxxxxxx> Acked-by: David Howells <dhowells@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html