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path: root/drivers/md/bcache
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2013-05-01bcache: Use bd_link_disk_holder()Kent Overstreet1-17/+35
Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-05-01bcache: Allocator cleanup/fixesKent Overstreet2-25/+50
The main fix is that bch_allocator_thread() wasn't waiting on garbage collection to finish (if invalidate_buckets had set ca->invalidate_needs_gc); we need that to make sure the allocator doesn't spin and potentially block gc from finishing. Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-25bcache: Make sure blocksize isn't smaller than device blocksizeKent Overstreet1-2/+6
Sanity check to make sure we don't end up doing IO the device doesn't support. Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-23bcache: Fix merge_bvec_fn usage for when it modifies the bvmKent Overstreet1-9/+8
Stacked md devices reuse the bvm for the subordinate device, causing problems... Reported-by: Michael Balser <michael.balser@profitbricks.com> Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-21bcache: Correctly check against BIO_MAX_PAGESKent Overstreet1-5/+4
bch_bio_max_sectors() was checking against BIO_MAX_PAGES as if the limit was for the total bytes in the bio, not the number of segments. Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-21bcache: Hack around stuff that clones up to bi_max_vecsKent Overstreet1-0/+9
Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-21bcache: Set ra_pages based on backing device's ra_pagesKent Overstreet1-0/+4
Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-21bcache: Take data offset from the bdev superblock.Kent Overstreet3-57/+100
Add a new superblock version, and consolidate related defines. Signed-off-by: Gabriel de Perthuis <g2p.code+bcache@gmail.com> Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-09bcache: Disable broken btree fuzz testerKent Overstreet1-2/+4
Reported-by: <sasha.levin@oracle.com> Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-09bcache: Fix a format string overflowKent Overstreet1-2/+2
Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-09bcache: Fix a minor memory leak on device teardownKent Overstreet1-1/+3
Reported-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-09bcache: Use WARN_ONCE() instead of __WARN()Kent Overstreet1-1/+1
Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-09bcache: Add missing #include <linux/prefetch.h>Geert Uytterhoeven2-0/+2
m68k/allmodconfig: drivers/md/bcache/bset.c: In function ‘bset_search_tree’: drivers/md/bcache/bset.c:727: error: implicit declaration of function ‘prefetch’ drivers/md/bcache/btree.c: In function ‘bch_btree_node_get’: drivers/md/bcache/btree.c:933: error: implicit declaration of function ‘prefetch’ Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-04-09bcache: Sparse fixesKent Overstreet4-90/+92
Signed-off-by: Kent Overstreet <koverstreet@google.com>
2013-03-28bcache: Don't export utility code, prefix with bch_Kent Overstreet13-101/+89
Signed-off-by: Kent Overstreet <koverstreet@google.com> Cc: linux-bcache@vger.kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-03-26bcache: Fix for the build fixesKent Overstreet1-1/+0
Commit 82a84eaf7e51ba3da0c36cbc401034a4e943492d left a return 0 in closure_debug_init(). Whoops. Signed-off-by: Kent Overstreet <koverstreet@google.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-03-25bcache: Style/checkpatch fixesKent Overstreet10-56/+51
Took out some nested functions, and fixed some more checkpatch complaints. Signed-off-by: Kent Overstreet <koverstreet@google.com> Cc: linux-bcache@vger.kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-03-25bcache: Build fixes from test robotKent Overstreet5-5/+6
config: make ARCH=i386 allmodconfig All error/warnings: drivers/md/bcache/bset.c: In function 'bch_ptr_bad': >> drivers/md/bcache/bset.c:164:2: warning: format '%li' expects argument of type 'long int', but argument 4 has type 'size_t' [-Wformat] -- drivers/md/bcache/debug.c: In function 'bch_pbtree': >> drivers/md/bcache/debug.c:86:4: warning: format '%li' expects argument of type 'long int', but argument 4 has type 'size_t' [-Wformat] -- drivers/md/bcache/btree.c: In function 'bch_btree_read_done': >> drivers/md/bcache/btree.c:245:8: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t' [-Wformat] -- drivers/md/bcache/closure.o: In function `closure_debug_init': >> (.init.text+0x0): multiple definition of `init_module' >> drivers/md/bcache/super.o:super.c:(.init.text+0x0): first defined here Signed-off-by: Kent Overstreet <koverstreet@google.com> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: linux-bcache@vger.kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-03-24bcache: A block layer cacheKent Overstreet27-0/+15680
Does writethrough and writeback caching, handles unclean shutdown, and has a bunch of other nifty features motivated by real world usage. See the wiki at http://bcache.evilpiepirate.org for more. Signed-off-by: Kent Overstreet <koverstreet@google.com>
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