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426 Commits

Author SHA1 Message Date
Thomas Schoebel-Theuer
56d7f72a62 net: early detection of socket hangups 2017-09-08 23:42:30 +02:00
Thomas Schoebel-Theuer
9025283608 server: handler limit 2017-09-07 12:56:23 +02:00
Thomas Schoebel-Theuer
2d26b3d224 server: dent limit 2017-09-07 12:55:40 +02:00
Thomas Schoebel-Theuer
c0dfbde8a8 infra: fix mem leak from merge error 2017-09-05 11:23:44 +02:00
Thomas Schoebel-Theuer
3d2811c719 main: fix deadlock on uuid at leave-cluster 
Similar to before:

root@m0:~# cat /proc/2642/stack
[<ffffffff810591cc>] kthread_stop+0x7f/0x10d
[<ffffffffa0172033>] _kill_peer.isra.7+0xf9/0x1ea [mars]
[<ffffffffa0172180>] peer_destruct+0xe/0x10 [mars]
[<ffffffffa016866a>] mars_free_dent+0x188/0x1b4 [mars]
[<ffffffffa0168a5a>] mars_dent_work+0x3c4/0x563 [mars]
[<ffffffffa0171265>] _main_thread+0x2b2/0x88d [mars]
[<ffffffff81059145>] kthread+0xb5/0xbd
[<ffffffff81660a19>] ret_from_fork+0x49/0x80
[<ffffffffffffffff>] 0xffffffffffffffff
root@m0:~# cat /proc/4282/stack
[<ffffffff81342154>] call_rwsem_down_read_failed+0x14/0x30
[<ffffffffa0166554>] mars_find_dent+0x19/0x3d [mars]
[<ffffffffa0172a30>] peer_thread+0x8ae/0xdc0 [mars]
[<ffffffff81059145>] kthread+0xb5/0xbd
[<ffffffff81660a19>] ret_from_fork+0x49/0x80
[<ffffffffffffffff>] 0xffffffffffffffff
 2017-09-01 20:14:36 +02:00
Thomas Schoebel-Theuer
6c56b53850 infra: fix deadlock on leave-cluster & friends 
root@m1:~# cat /proc/2661/stack
[<ffffffff810591cc>] kthread_stop+0x7f/0x10d
[<ffffffffa01660a5>] _kill_peer.isra.7+0xf9/0x1ea [mars]
[<ffffffffa01661f2>] peer_destruct+0xe/0x10 [mars]
[<ffffffffa015c66a>] mars_free_dent+0x188/0x1b4 [mars]
[<ffffffffa015ca5a>] mars_dent_work+0x3c4/0x563 [mars]
[<ffffffffa01652d7>] _main_thread+0x2b2/0x88d [mars]
[<ffffffff81059145>] kthread+0xb5/0xbd
[<ffffffff81660a19>] ret_from_fork+0x49/0x80
[<ffffffffffffffff>] 0xffffffffffffffff

root@m1:~# cat /proc/4473/stack
[<ffffffff81342154>] call_rwsem_down_read_failed+0x14/0x30
[<ffffffffa015a554>] mars_find_dent+0x19/0x3d [mars]
[<ffffffffa015dadc>] _mars_translate_hostname+0x86/0x126 [mars]
[<ffffffffa0166663>] peer_thread+0x46f/0xdc0 [mars]
[<ffffffff81059145>] kthread+0xb5/0xbd
[<ffffffff81660a19>] ret_from_fork+0x49/0x80
[<ffffffffffffffff>] 0xffffffffffffffff
 2017-09-01 20:03:48 +02:00
Thomas Schoebel-Theuer
1e13c9e7ae all: document some deadlock danger on debug output 2017-08-29 18:53:24 +02:00
Thomas Schoebel-Theuer
45005f25c9 main: fix is_attached 2017-08-29 18:40:30 +02:00
Thomas Schoebel-Theuer
5b41b2fb84 infra: regularly prune the /mars dentry cache 2017-08-25 15:07:59 +02:00
Thomas Schoebel-Theuer
de8abf0284 main: report is-detached only when bio is gone 2017-08-21 21:16:37 +02:00
Thomas Schoebel-Theuer
68016194bc main: report is-detached for damaged resources 2017-08-21 21:16:36 +02:00
Thomas Schoebel-Theuer
45f9440842 main: protect rot list by rwsem 2017-07-26 11:08:56 +02:00
Thomas Schoebel-Theuer
3d9bbcb23c main: check alive link timestamp instead of tree version 
The tree version might be updated less frequently.
 2017-07-26 11:08:12 +02:00
Thomas Schoebel-Theuer
cf84aeba9f main: avoid fetch from failed peer for a while 2017-07-26 10:27:04 +02:00
Thomas Schoebel-Theuer
881f61bfcc main: fix abort of logfile fetching 2017-07-26 10:00:51 +02:00
Thomas Schoebel-Theuer
c117bffa11 logger: reset limiter 2017-07-05 07:37:12 +02:00
Thomas Schoebel-Theuer
a856db082b server: update limiter during idle time 2017-07-05 07:37:12 +02:00
Thomas Schoebel-Theuer
69d2f864d3 client: reset limiter 2017-07-05 07:37:12 +02:00
Thomas Schoebel-Theuer
25da408d66 copy: reset limiter 2017-07-05 07:37:12 +02:00
Thomas Schoebel-Theuer
ff2c948247 infra: add reset of limiter 2017-07-05 07:37:12 +02:00
Thomas Schoebel-Theuer
27eb38ff3e infra: add total statistics to limiter 2017-07-05 07:37:12 +02:00
Thomas Schoebel-Theuer
a983bf42de main: show peer debuginfo 2017-07-05 07:37:12 +02:00
Thomas Schoebel-Theuer
d976fde7fb main: replace peer_lock spinlock by rwsem 2017-07-05 07:37:12 +02:00
Thomas Schoebel-Theuer
8b6fe3e3bb infra: remove superfluous event trigger 2017-06-07 06:22:46 +02:00
Thomas Schoebel-Theuer
37fb40f8a7 logger: remove seaparate flying counter 2017-06-07 06:22:46 +02:00
Thomas Schoebel-Theuer
cbb7de25fe logger: fix races on queues 2017-06-07 06:22:46 +02:00
Thomas Schoebel-Theuer
c95c478f30 logger: new activity counter 2017-06-07 06:22:46 +02:00
Thomas Schoebel-Theuer
0783946bc2 logger: downgrade atomic_t 2017-06-07 06:22:46 +02:00
Thomas Schoebel-Theuer
d8e2421de9 logger: remove useless counter 2017-06-07 06:22:46 +02:00
Thomas Schoebel-Theuer
57c9da1800 aio: fix race on array index 2017-06-04 17:56:46 +02:00
Thomas Schoebel-Theuer
0fafba3cd0 infra: better debugging 2017-05-22 11:25:00 +02:00
Thomas Schoebel-Theuer
d12b20ef1c main: fix hang of fetch 2017-05-22 11:25:00 +02:00
Thomas Schoebel-Theuer
fd72fef4c9 infra: fix signal handling 2017-05-22 11:25:00 +02:00
Thomas Schoebel-Theuer
088b103abf infra: avoid frequent resched 2017-05-17 12:22:29 +02:00
Thomas Schoebel-Theuer
17832cd7ea infra: generally disable irqs during spinlocks 2017-05-16 10:24:18 +02:00
Thomas Schoebel-Theuer
2d7f602a32 aio: disable irqs during spinlocks 2017-05-16 10:23:06 +02:00
Thomas Schoebel-Theuer
95d10d02a2 main: disable irqs during spinlocks 2017-05-16 10:21:31 +02:00
Thomas Schoebel-Theuer
386ae8e8d0 infra: disable irqs during spinlocks 2017-05-16 10:17:19 +02:00
Thomas Schoebel-Theuer
95ff42b7de logger: disable irqs during spinlocks 2017-05-16 10:17:02 +02:00
Thomas Schoebel-Theuer
bb2f82503c infra: memory debugging must disable irqs during spinlocks 2017-05-16 09:59:44 +02:00
Thomas Schoebel-Theuer
37f738bb5c aio: workaround standard Unix filehandles 2017-05-14 16:57:01 +02:00
Thomas Schoebel-Theuer
f129ae00e9 infra: modinfo shows io driver type 2017-05-09 08:52:48 +02:00
Thomas Schoebel-Theuer
8abf1a0928 infra: modinfo shows whether prepatch is used 2017-05-09 08:52:48 +02:00
Thomas Schoebel-Theuer
a1d4497a51 infra: remove unwanted sys_utimes() 2017-05-04 10:32:50 +02:00
Thomas Schoebel-Theuer
09c6b3112c infra: replace unwanted sys_unlink() by provisionary wrapper 2017-05-04 10:28:43 +02:00
Thomas Schoebel-Theuer
b3b13d9187 infra: replace unwanted sys_rename() by provisionary wrapper 2017-05-04 10:08:29 +02:00
Thomas Schoebel-Theuer
c4b055584c infra: replace sys_mkdir() by vfs_mkdir() 2017-05-04 10:08:29 +02:00
Thomas Schoebel-Theuer
8fe84d32d8 infra: replace sys_symlink() by vfs_symlink() 2017-05-04 10:08:29 +02:00
Thomas Schoebel-Theuer
05a5b49aed infra: remove unwanted reference to min_free_kbyte 2017-05-04 10:08:07 +02:00
Thomas Schoebel-Theuer
b9383da97c infra: remove unwanted rmdir() 2017-05-04 10:04:12 +02:00