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| author | Tejun Heo <tj@kernel.org> | 2014-09-24 21:00:21 +0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2014-09-24 21:00:21 +0400 |
| commit | d06efebf0c37d438fcf07057be00dd40fcfce08d (patch) | |
| tree | 31a0786d132aadf4cbb9725f3f444ef6e1052128 /kernel/resource.c | |
| parent | bb2e226b3bef596dd56be97df655d857b4603923 (diff) | |
| parent | 0a30288da1aec914e158c2d7a3482a85f632750f (diff) | |
| download | linux-d06efebf0c37d438fcf07057be00dd40fcfce08d.tar.xz | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block into for-3.18
This is to receive 0a30288da1ae ("blk-mq, percpu_ref: implement a
kludge for SCSI blk-mq stall during probe") which implements
__percpu_ref_kill_expedited() to work around SCSI blk-mq stall. The
commit reverted and patches to implement proper fix will be added.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Kent Overstreet <kmo@daterainc.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'kernel/resource.c')
| -rw-r--r-- | kernel/resource.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/kernel/resource.c b/kernel/resource.c index da14b8d09296..60c5a3856ab7 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -351,15 +351,12 @@ static int find_next_iomem_res(struct resource *res, char *name, end = res->end; BUG_ON(start >= end); - read_lock(&resource_lock); - - if (first_level_children_only) { - p = iomem_resource.child; + if (first_level_children_only) sibling_only = true; - } else - p = &iomem_resource; - while ((p = next_resource(p, sibling_only))) { + read_lock(&resource_lock); + + for (p = iomem_resource.child; p; p = next_resource(p, sibling_only)) { if (p->flags != res->flags) continue; if (name && strcmp(p->name, name)) |