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path: root/drivers/md/bcache/extents.c
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2014-08-05bcache: Fix a journal replay bugKent Overstreet1-4/+9
journal replay wansn't validating pointers with bch_extent_invalid() before derefing, fixed Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-03-18bcache: remove nested function usageJohn Sheu1-9/+13
Uninlined nested functions can cause crashes when using ftrace, as they don't follow the normal calling convention and confuse the ftrace function graph tracer as it examines the stack. Also, nested functions are supported as a gcc extension, but may fail on other compilers (e.g. llvm). Signed-off-by: John Sheu <john.sheu@gmail.com>
2014-03-18bcache: Kill bucket->gc_genKent Overstreet1-4/+4
gc_gen was a temporary used to recalculate last_gc, but since we only need bucket->last_gc when gc isn't running (gc_mark_valid = 1), we can just update last_gc directly. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-03-18bcache: Add a real GC_MARK_RECLAIMABLEKent Overstreet1-3/+3
This means the garbage collection code can better check for data and metadata pointers to the same buckets. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-02-11drivers/md/bcache/extents.c: use %zi to format size_tGeert Uytterhoeven1-1/+1
drivers/md/bcache/extents.c: In function `btree_ptr_bad_expensive': drivers/md/bcache/extents.c:196: warning: format `%li' expects type `long int', but argument 4 has type `size_t' Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Kent Overstreet <kmo@daterainc.com> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-09bcache: Add bch_bkey_equal_header()Nicholas Swenson1-2/+1
Checks if two keys have equivalent header fields. (good enough for replacement or merging) Used in bch_bkey_try_merge, and replacing a key in the btree. Signed-off-by: Nicholas Swenson <nks@daterainc.com> Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: update bch_bkey_try_mergeNicholas Swenson1-5/+0
Added generic header checks to bch_bkey_try_merge, which then calls the bkey specific function Removed extraneous checks from bch_extent_merge Signed-off-by: Nicholas Swenson <nks@daterainc.com>
2014-01-09bcache: Move insert_fixup() to btree_keys_opsKent Overstreet1-0/+178
Now handling overlapping extents/keys is a method that's specific to what the btree node contains. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Convert debug code to btree_keysKent Overstreet1-4/+89
More work to disentangle various code from struct btree Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Add struct btree_keysKent Overstreet1-7/+12
Soon, bset.c won't need to depend on struct btree. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Abstract out stuff needed for sortingKent Overstreet1-0/+354
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
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