I compiled fscache in the kernel, not as a module, with the following result under load: Aug 20 14:15:03 dload05 kernel: [ 3541.595283] Pid: 11273, comm: kslowd Not tainted 2.6.31-rc6-iwin-linus-cachefs #1 Aug 20 14:15:03 dload05 kernel: [ 3541.595287] Call Trace: Aug 20 14:15:03 dload05 kernel: [ 3541.595298] [<ffffffff81302af0>] ? io_schedule+0x20/0x30 Aug 20 14:15:03 dload05 kernel: [ 3541.595304] [<ffffffff8115bfb3>] ? cachefiles_read_waiter+0x153/0x1a0 Aug 20 14:15:03 dload05 kernel: [ 3541.595308] [<ffffffff81302f0b>] ? __wait_on_bit+0x6b/0x80 Aug 20 14:15:03 dload05 kernel: [ 3541.595314] [<ffffffff8103150b>] ? __wake_up_common+0x5b/0x90 Aug 20 14:15:03 dload05 kernel: [ 3541.595317] [<ffffffff81032e83>] ? __wake_up+0x43/0x70 Aug 20 14:15:03 dload05 kernel: [ 3541.595323] [<ffffffff8105c688>] ? __wake_up_bit+0x28/0x30 Aug 20 14:15:03 dload05 kernel: [ 3541.595344] [<ffffffffa01820a7>] ? ext3_truncate+0x267/0x9d0 [ext3] Aug 20 14:15:03 dload05 kernel: [ 3541.595350] [<ffffffff810cca2c>] ? unmap_mapping_range+0x8c/0x290 Aug 20 14:15:03 dload05 kernel: [ 3541.595355] [<ffffffff810cee50>] ? vmtruncate+0xb0/0x110 Aug 20 14:15:03 dload05 kernel: [ 3541.595359] [<ffffffff81101afe>] ? inode_setattr+0x2e/0x160 Aug 20 14:15:03 dload05 kernel: [ 3541.595369] [<ffffffffa01838cc>] ? ext3_setattr+0xfc/0x210 [ext3] Aug 20 14:15:03 dload05 kernel: [ 3541.595373] [<ffffffff81101d95>] ? notify_change+0x165/0x330 Aug 20 14:15:03 dload05 kernel: [ 3541.595377] [<ffffffff811571bb>] ? cachefiles_attr_changed+0x12b/0x1e0 Aug 20 14:15:03 dload05 kernel: [ 3541.595381] [<ffffffff81159546>] ? cachefiles_walk_to_object+0x706/0xc00 Aug 20 14:15:03 dload05 kernel: [ 3541.595385] [<ffffffff8115787e>] ? cachefiles_lookup_object+0x10e/0x150 Aug 20 14:15:03 dload05 kernel: [ 3541.595390] [<ffffffff810ad030>] ? slow_work_thread+0x0/0x450 Aug 20 14:15:03 dload05 kernel: [ 3541.595395] [<ffffffff8114f6a5>] ? fscache_lookup_object+0x95/0x220 Aug 20 14:15:03 dload05 kernel: [ 3541.595399] [<ffffffff8115025e>] ? fscache_object_slow_work_execute+0x64e/0xb70 Aug 20 14:15:03 dload05 kernel: [ 3541.595403] [<ffffffff810ad030>] ? slow_work_thread+0x0/0x450 Aug 20 14:15:03 dload05 kernel: [ 3541.595406] [<ffffffff810ad2f3>] ? slow_work_thread+0x2c3/0x450 Aug 20 14:15:03 dload05 kernel: [ 3541.595411] [<ffffffff8105c6d0>] ? autoremove_wake_function+0x0/0x30 Aug 20 14:15:03 dload05 kernel: [ 3541.595414] [<ffffffff810ad030>] ? slow_work_thread+0x0/0x450 Aug 20 14:15:03 dload05 kernel: [ 3541.595418] [<ffffffff8105c566>] ? kthread+0xa6/0xb0 Aug 20 14:15:03 dload05 kernel: [ 3541.595422] [<ffffffff8100cd9a>] ? child_rip+0xa/0x20 Aug 20 14:15:03 dload05 kernel: [ 3541.595426] [<ffffffff8105c4c0>] ? kthread+0x0/0xb0 Aug 20 14:15:03 dload05 kernel: [ 3541.595429] [<ffffffff8100cd90>] ? child_rip+0x0/0x20 Aug 20 14:15:03 dload05 kernel: [ 3541.595451] CacheFiles: I/O Error: Readpage failed on backing file 100000000000810 Aug 20 14:15:03 dload05 kernel: [ 3541.595506] FS-Cache: Cache cachefiles stopped due to I/O error Thank you, Joshua -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cachefs
