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| author | Ingo Molnar <mingo@elte.hu> | 2012-03-05 09:20:08 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-05 09:20:08 +0100 |
| commit | 737f24bda723fdf89ecaacb99fa2bf5683c32799 (patch) | |
| tree | 35495fff3e9956679cb5468e74e6814c8e44ee66 /fs/bio.c | |
| parent | 8eedce996556d7d06522cd3a0e6069141c8dffe0 (diff) | |
| parent | b7c924274c456499264d1cfa3d44063bb11eb5db (diff) | |
| download | linux-737f24bda723fdf89ecaacb99fa2bf5683c32799.tar.gz | |
Merge branch 'perf/urgent' into perf/core
Conflicts:
tools/perf/builtin-record.c
tools/perf/builtin-top.c
tools/perf/perf.h
tools/perf/util/top.h
Merge reason: resolve these cherry-picking conflicts.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/bio.c')
| -rw-r--r-- | fs/bio.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/fs/bio.c b/fs/bio.c index b1fe82cf88cfe0..b980ecde026a3a 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -505,13 +505,9 @@ EXPORT_SYMBOL(bio_clone); int bio_get_nr_vecs(struct block_device *bdev) { struct request_queue *q = bdev_get_queue(bdev); - int nr_pages; - - nr_pages = ((queue_max_sectors(q) << 9) + PAGE_SIZE - 1) >> PAGE_SHIFT; - if (nr_pages > queue_max_segments(q)) - nr_pages = queue_max_segments(q); - - return nr_pages; + return min_t(unsigned, + queue_max_segments(q), + queue_max_sectors(q) / (PAGE_SIZE >> 9) + 1); } EXPORT_SYMBOL(bio_get_nr_vecs); |