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Commit Graph

24 Commits

Author SHA1 Message Date
Joe Thornber
286c1ba336 device_mapper: rename libdevmapper.h -> all.h
I'm paranoid a file will include the global one in /usr/include
by accident.
2018-06-08 12:31:45 +01:00
Joe Thornber
ccc35e2647 device-mapper: Fork libdm internally.
The device-mapper directory now holds a copy of libdm source.  At
the moment this code is identical to libdm.  Over time code will
migrate out to appropriate places (see doc/refactoring.txt).

The libdm directory still exists, and contains the source for the
libdevmapper shared library, which we will continue to ship (though
not neccessarily update).

All code using libdm should now use the version in device-mapper.
2018-05-16 13:00:50 +01:00
Joe Thornber
7f97c7ea9a build: Don't generate symlinks in include/ dir
As we start refactoring the code to break dependencies (see doc/refactoring.txt),
I want us to use full paths in the includes (eg, #include "base/data-struct/list.h").
This makes it more obvious when we're breaking abstraction boundaries, eg, including a file in
metadata/ from base/
2018-05-14 10:30:20 +01:00
Joe Thornber
ae50374811 bcache: Add sync io engine
Something to fall back to when testing.
2018-05-10 14:29:26 +01:00
Joe Thornber
67b80e2d9d bcache: knock out err param.
Dave used this for debugging.  Not needed in general.
2018-05-10 13:26:08 +01:00
Joe Thornber
1c5c99afce bcache-utils: bcache_set_bytes() 2018-05-09 11:05:29 +01:00
Joe Thornber
2688aafefb bcache: rename bcache_write_zeroes() -> bcache_zero_bytes()
Now matches the other util functions:

bcache_{prefetch,read,write,zero}_bytes()
2018-05-03 10:21:14 +01:00
Joe Thornber
dc30d4b2f2 bcache: switch off_t -> uint64_t
We always want it to be 64bit
2018-05-03 09:37:43 +01:00
Joe Thornber
b3c41bce3d bcache: add bcache_block_sectors() query fn 2018-05-03 09:33:55 +01:00
Joe Thornber
65912ce44d bcache: add a comment 2018-05-03 09:21:10 +01:00
Joe Thornber
8fd300f7df device/bcache: reorder includes 2018-05-02 18:59:43 +01:00
Joe Thornber
e890c37704 [bcache] Some work on bcache_invalidate()
bcache_invalidate() now returns a bool to indicate success.  If fails
if the block is currently held, or the block is dirty and writeback
fails.

Added a bunch of unit tests for the invalidate functions.

Fixed some bugs to do with invalidating errored blocks.
2018-04-27 10:56:13 +01:00
Zdenek Kabelac
fcdac700f9 gcc: remove duplicate typedef 2018-04-23 22:42:18 +02:00
David Teigland
6d05859862 bcache: let caller see an error 2018-04-20 11:22:48 -05:00
David Teigland
8065492046 bcache: do all writes through bcache 2018-04-20 11:22:47 -05:00
David Teigland
8b26a007b1 misc bcache fixes from ejt 2018-04-20 11:22:47 -05:00
Joe Thornber
6a57ed17a2 [device/bcache] add bcache_prefetch_bytes() and bcache_read_bytes()
Not tested yet.
2018-04-20 11:12:50 -05:00
Joe Thornber
467adfa082 [device/bcache] More tests and some bug fixes 2018-04-20 11:12:50 -05:00
Joe Thornber
1563b93691 [device/bcache] Add bcache_max_prefetches()
Ignore prefetches if max io is in flight.
2018-04-20 11:12:50 -05:00
Joe Thornber
c4c4acfd42 [device/bcache] Add a couple of invalidate methods 2018-04-20 11:12:50 -05:00
Joe Thornber
0f0eb04edb [device/bcache] some more work on bcache 2018-04-20 11:12:50 -05:00
Joe Thornber
46867a45d2 [device/bcache] stub a unit test 2018-04-20 11:12:50 -05:00
Joe Thornber
da7e13ef88 [lib/device/bcache] Tweaks after Kabi's review 2018-04-20 11:10:45 -05:00
Joe Thornber
acb42ec465 [device/bcache] Initial code drop.
Compiles.  Not written tests yet.
2018-04-20 11:10:45 -05:00