xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bcache: Kill unused freelist

Browse Source 
This was originally added as at optimization that for various reasons isn't
needed anymore, but it does add a lot of nasty corner cases (and it was
responsible for some recently fixed bugs). Just get rid of it now.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
This commit is contained in:
Kent Overstreet
2014-03-17 16:55:55 -07:00
parent 0a63b66db5
commit 2531d9ee61
6 changed files with 112 additions and 129 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/trace/events/bcache.h
View File

@@ -446,7 +446,6 @@ TRACE_EVENT(bcache_alloc_fail,
__field(dev_t, dev )
__field(unsigned, free )
__field(unsigned, free_inc )
__field(unsigned, unused )
__field(unsigned, blocked )
),
@@ -454,13 +453,12 @@ TRACE_EVENT(bcache_alloc_fail,
__entry->dev = ca->bdev->bd_dev;
__entry->free = fifo_used(&ca->free[reserve]);
__entry->free_inc = fifo_used(&ca->free_inc);
__entry->unused = fifo_used(&ca->unused);
__entry->blocked = atomic_read(&ca->set->prio_blocked);
),
TP_printk("alloc fail %d,%d free %u free_inc %u unused %u blocked %u",
TP_printk("alloc fail %d,%d free %u free_inc %u blocked %u",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->free,
__entry->free_inc, __entry->unused, __entry->blocked)
__entry->free_inc, __entry->blocked)
);
/* Background writeback */