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2013-08-29bcache: FUA fixesKent Overstreet1-1/+12
commit e49c7c374e7aacd1f04ecbc21d9dbbeeea4a77d6 upstream. Journal writes need to be marked FUA, not just REQ_FLUSH. And btree node writes have... weird ordering requirements. Signed-off-by: Kent Overstreet <koverstreet@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-29bcache: Advertise that flushes are supportedKent Overstreet1-1/+7
commit 54d12f2b4fd0f218590d1490b41a18d0e2328a9a upstream. Whoops - bcache's flush/FUA was mostly correct, but flushes get filtered out unless we say we support them... Signed-off-by: Kent Overstreet <kmo@daterainc.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-21bcache: Take data offset from the bdev superblock.Kent Overstreet1-1/+1
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>
2013-03-28bcache: Don't export utility code, prefix with bch_Kent Overstreet1-7/+7
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: Style/checkpatch fixesKent Overstreet1-5/+7
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>
2013-03-24bcache: A block layer cacheKent Overstreet1-0/+1409
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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