kernel.git/drivers/md/bcache/util.h, branch linux-4.2.y

bcache: use kvfree() in various places

2015-07-01T02:45:00Z

Use kvfree() instead of open-coding it. Signed-off-by: Pekka Enberg Cc: Kent Overstreet Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

bcache: Correct printing of btree_gc_max_duration_ms

2014-08-04T22:23:04Z

time_stats::btree_gc_max_duration_mc is not bit shifted by 8 Fixes BUG #138 Change-Id: I44fc6e1d0579674016acc533f1a546b080e5371a Signed-off-by: Surbhi Palande

bcache: Convert debug code to btree_keys

2014-01-08T21:05:13Z

More work to disentangle various code from struct btree Signed-off-by: Kent Overstreet

bcache: Remove/fix some header dependencies

2014-01-08T21:05:11Z

In the process of disentagling/libraryizing bset.c from the rest of the bcache code. Signed-off-by: Kent Overstreet

bcache: Fix heap_peek() macro

2013-12-16T22:22:57Z

Signed-off-by: Nicholas Swenson Signed-off-by: Kent Overstreet

bcache: Move spinlock into struct time_stats

2013-11-11T05:56:40Z

Minor cleanup. Signed-off-by: Kent Overstreet

bcache: Debug code improvements

2013-11-11T05:56:34Z

Couple changes: * Consolidate bch_check_keys() and bch_check_key_order(), and move the checks that only check_key_order() could do to bch_btree_iter_next(). * Get rid of CONFIG_BCACHE_EDEBUG - now, all that code is compiled in when CONFIG_BCACHE_DEBUG is enabled, and there's now a sysfs file to flip on the EDEBUG checks at runtime. * Dropped an old not terribly useful check in rw_unlock(), and refactored/improved a some of the other debug code. Signed-off-by: Kent Overstreet

bcache: Pull on disk data structures out into a separate header

2013-11-11T05:56:33Z

Now, the on disk data structures are in a header that can be exported to userspace - and having them all centralized is nice too. Signed-off-by: Kent Overstreet

bcache: Fix a writeback performance regression

2013-09-24T21:41:43Z

Background writeback works by scanning the btree for dirty data and adding those keys into a fixed size buffer, then for each dirty key in the keybuf writing it to the backing device. When read_dirty() finishes and it's time to scan for more dirty data, we need to wait for the outstanding writeback IO to finish - they still take up slots in the keybuf (so that foreground writes can check for them to avoid races) - without that wait, we'll continually rescan when we'll be able to add at most a key or two to the keybuf, and that takes locks that starves foreground IO. Doh. Signed-off-by: Kent Overstreet Cc: linux-stable # >= v3.10 Signed-off-by: Linus Torvalds

bcache: Use standard utility code

2013-07-01T21:43:53Z

Some of bcache's utility code has made it into the rest of the kernel, so drop the bcache versions. Bcache used to have a workaround for allocating from a bio set under generic_make_request() (if you allocated more than once, the bios you already allocated would get stuck on current->bio_list when you submitted, and you'd risk deadlock) - bcache would mask out __GFP_WAIT when allocating bios under generic_make_request() so that allocation could fail and it could retry from workqueue. But bio_alloc_bioset() has a workaround now, so we can drop this hack and the associated error handling. Signed-off-by: Kent Overstreet