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36 Commits

Author SHA1 Message Date
Thomas Schoebel-Theuer
6773712672 if: fix bio_get stack corruption when bio is on stack 
I am unsure whether this might break compatibility to some
very ancient kernels.

AFAICR, it could have been needed long ago, when some old 32bit
kernels needed kmap().

Anyway, I don't have those old kernels anymore.
 2019-03-02 22:14:14 +01:00
Thomas Schoebel-Theuer
312660c598 all: adapt to block layer changes, kernel 4.8 2019-02-19 07:26:32 +01:00
Thomas Schoebel-Theuer
ce456788a4 if: propagate real physical and logical sector sizes 2019-02-12 11:02:06 +01:00
Thomas Schoebel-Theuer
45d3ff4226 if: remember info 2019-02-12 11:02:06 +01:00
Thomas Schoebel-Theuer
52b2cf2726 if: provisionary substitute for merge_bvec() 
This might potentially worsen IO performance somewhat. Please report
any _reproducible_ issues, together with a reproducer.
 2019-01-16 16:49:45 +01:00
Thomas Schoebel-Theuer
0db016a317 if: use blk_queue_max_hw_sectors() 2019-01-16 12:04:31 +01:00
Thomas Schoebel-Theuer
4f008ca001 if: introduce blk_queue_split 
This is an absolute MUST for newer kernels, starting with 4.3.x.
 2019-01-16 12:04:31 +01:00
Thomas Schoebel-Theuer
cc87a72637 if: fix merge_bvec_fn() regression for old kernels 2016-10-23 12:21:04 +02:00
Thomas Schoebel-Theuer
b6ef899ded Revert "if: remove obsolete merge_bvec_fn()" 
This reverts commit d96b6e3fbf.

Altough newer kernels don't have this anymore, old kernels
need it.

Make it dependend from the kernel version.
 2016-10-23 11:54:01 +02:00
Thomas Schoebel-Theuer
bab7ba6300 if: adapt to kernel 4.4 BLK_QC_T_NONE 
see dece16353ef47d8d33f5302bc158072a9d65e26f
 2016-08-25 07:16:40 +02:00
Thomas Schoebel-Theuer
d96b6e3fbf if: remove obsolete merge_bvec_fn() 2016-08-25 07:16:40 +02:00
Thomas Schoebel-Theuer
67977d7abf if: adapt bio_endio() to kernel 4.3 2016-08-25 07:16:39 +02:00
Thomas Schoebel-Theuer
d04e8e23c4 if: adapt to renamed congestion handling (kernel 4.2) 2016-08-25 07:16:39 +02:00
Thomas Schoebel-Theuer
275cc2a195 if: adapt to missing bi_cnt (kernel 4.2) 2016-08-25 07:16:39 +02:00
Thomas Schoebel-Theuer
5f6c2a25fe if: move and enable blk_cleanup_queue() 2016-08-25 07:16:39 +02:00
Thomas Schoebel-Theuer
4d31d09534 all: remove CONFIG_MARS_BIGMODULE 2016-03-03 09:33:34 +01:00
Thomas Schoebel-Theuer
af6ac736c5 if: fix wrong error code ENOSYS 2015-10-07 10:44:44 +02:00
Thomas Schoebel-Theuer
a12450d891 if: fix potential race on plugged requests 2015-03-23 13:48:10 +01:00
Thomas Schoebel-Theuer
324f472889 if: fix potential race on shutdown 2014-12-07 09:24:16 +01:00
Thomas Schoebel-Theuer
aa09d7df30 all: clarify license GPLv2+ 2014-11-25 18:09:17 +01:00
Thomas Schoebel-Theuer
1439d30ffb all: port to newer kernels (up to 3.15) 2014-06-18 12:10:55 +02:00
Thomas Schoebel-Theuer
7aebfdf6bb all: remove __exit annotation 2014-04-24 18:08:31 +02:00
Thomas Schoebel-Theuer
c621de770b all: improve checking of callback chain 2014-03-31 06:59:10 +02:00
Thomas Schoebel-Theuer
606528768f if: fix amount of throttling 2013-11-20 11:54:14 +01:00
Thomas Schoebel-Theuer
6579393177 light: rename throttling parameters and defaults 2013-11-20 11:13:57 +01:00
Thomas Schoebel-Theuer
232349e544 if: remove non-working kmap() 2013-11-05 12:31:34 +01:00
Thomas Schoebel-Theuer
9134be1a3e all: allow throttling of bulk write requests 2013-10-31 08:24:56 +01:00
Thomas Schoebel-Theuer
0a8292cb80 if: add diskstats 2013-10-31 08:02:09 +01:00
Thomas Schoebel-Theuer
ffc97c5c68 if: fix set_capacity() 2013-10-17 07:48:31 +02:00
Thomas Schoebel-Theuer
8971edad18 if: set capacity upon regular switch() maintenance 2013-10-17 07:35:34 +02:00
Thomas Schoebel-Theuer
453fcb59d8 if: fix early kill of if_brick 2013-09-17 12:16:36 +02:00
Thomas Schoebel-Theuer
2dd3033ff4 marsadm: split command "primary" into phases 2013-06-03 09:05:46 +02:00
Thomas Schoebel-Theuer
0c7bb9d00f if: fix bio flags for newer kernels 
The old code was just bullshit.
 2013-04-19 09:30:15 +02:00
Thomas Schoebel-Theuer
e4e9308310 if: improve performance of big bio requests 
Writethrough of bio requests having more than one biovec should
only sync the last one. The others will be written to the transaction
log anyway. No need to wait for each of them to be committed one
by one.
 2013-04-18 18:38:03 +02:00
Thomas Schoebel-Theuer
3ca7f91900 if: avoid higher-order pages for hashing 2013-04-15 18:37:11 +02:00
Thomas Schoebel-Theuer
c58417d271 all: move kernel source into separate directory 2013-04-08 17:01:37 +02:00