diff options
| author | Minchan Kim <minchan@kernel.org> | 2017-02-24 14:56:47 -0800 |
|---|---|---|
| committer | Peter Kalauskas <peskal@google.com> | 2018-08-23 12:00:17 -0700 |
| commit | 599a92fdd33d5000f832de252791274b4c2c179d (patch) | |
| tree | ef3b1feee59f6aa2448f017754b2b9ff2d6c5e37 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 2ac12d9f2b311a1d9b4024d18586f429d7dfdfc9 (diff) | |
BACKPORT: zram: remove waitqueue for IO done
zram_reset_device() waits for ongoing writepage pages to be completed by
zram->refcount logic. However, it's pointless because before the reset,
we prevent further opening of zram by zram->claim and flush all of
pending IO by fsync_bdev so there should be no pending IO at the
zram_reset_device().
So let's remove that code which is even broken due to the lack of
wake_up elsewhere.
Link: http://lkml.kernel.org/r/1485145031-11661-1-git-send-email-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit a09759acaacf6cf738e1bc6c66d41485c87fd371)
Signed-off-by: Peter Kalauskas <peskal@google.com>
Bug: 112488418
Change-Id: I97170fb576be7baae63f82334af0dd5e91b16763
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions