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linux-stable/drivers/md/bcache
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Tang Junhui ca71df3166 bcache: fix using of loop variable in memory shrink 
In bch_mca_scan(), There are some confusion and logical error in the use of
loop variables. In this patch, we clarify them as:
1) nr: the number of btree nodes needs to scan, which will decrease after
we scan a btree node, and should not be less than 0;
2) i: the number of btree nodes have scanned, includes both
btree_cache_freeable and btree_cache, which should not be bigger than
btree_cache_used;
3) freed: the number of btree nodes have freed.

Signed-off-by: Tang Junhui <tang.junhui@zte.com.cn>
Reviewed-by: Michael Lyle <mlyle@lyle.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-03-18 20:15:20 -06:00
..
alloc.c bcache: add CACHE_SET_IO_DISABLE to struct cache_set flags 2018-03-18 20:15:20 -06:00
bcache.h bcache: add stop_when_cache_set_failed option to backing device 2018-03-18 20:15:20 -06:00
bset.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bset.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
btree.c bcache: fix using of loop variable in memory shrink 2018-03-18 20:15:20 -06:00
btree.h Merge branch 'for-4.15/block' of git://git.kernel.dk/linux-block 2017-11-14 15:32:19 -08:00
closure.c bcache: mark closure_sync() __sched 2018-01-08 13:29:00 -07:00
closure.h bcache: closures: move control bits one bit right 2018-01-09 12:18:51 -07:00
debug.c bcache: fix wrong return value in bch_debug_init() 2018-01-08 13:29:00 -07:00
debug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
extents.c bcache: Fix building error on MIPS 2017-11-24 16:22:58 -07:00
extents.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
io.c bcache: add CACHE_SET_IO_DISABLE to struct cache_set flags 2018-03-18 20:15:20 -06:00
journal.c bcache: add CACHE_SET_IO_DISABLE to struct cache_set flags 2018-03-18 20:15:20 -06:00
journal.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig bcache: Kill dead cgroup code 2014-03-18 12:22:35 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
movinggc.c block: move bio_alloc_pages() to bcache 2018-01-06 09:18:00 -07:00
request.c bcache: fix inaccurate io state for detached bcache devices 2018-03-18 20:15:20 -06:00
request.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stats.c md: Convert timers to use timer_setup() 2017-11-14 20:11:57 -07:00
stats.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
super.c bcache: add stop_when_cache_set_failed option to backing device 2018-03-18 20:15:20 -06:00
sysfs.c bcache: fix incorrect sysfs output value of strip size 2018-03-18 20:15:20 -06:00
sysfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
util.c block: move bio_alloc_pages() to bcache 2018-01-06 09:18:00 -07:00
util.h bcache: add CACHE_SET_IO_DISABLE to struct cache_set flags 2018-03-18 20:15:20 -06:00
writeback.c bcache: add CACHE_SET_IO_DISABLE to struct cache_set flags 2018-03-18 20:15:20 -06:00
writeback.h bcache: fix cached_dev->count usage for bch_cache_set_error() 2018-03-18 20:15:20 -06:00