A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 11:11:45 -04:00
Code Issues Projects Releases Packages Wiki Activity

dm snapshot: remove stale FIXME in snapshot_map()

Browse source 
Commit ae1093be ("dm snapshot: use mutex instead of rw_semaphore")
eliminated the need to worry about read vs write locking.  So remove a
FIXME in snapshot_map() that is concerned about selectively taking a
write lock.

Signed-off-by: Mike Snitzer <[email protected]>
This commit is contained in:
Mike Snitzer 2018-08-08 20:50:58 -04:00
commit c9a5e6a968
1 changed files with 0 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/md/dm-snap.c
View file

@ -1707,8 +1707,6 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio)
if (!s->valid)
return DM_MAPIO_KILL;
/* FIXME: should only take write lock if we need
* to copy an exception */
mutex_lock(&s->lock);
if (!s->valid || (unlikely(s->snapshot_overflowed) &&