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authorLinus Torvalds <torvalds@linux-foundation.org>2010-04-09 14:50:29 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-09 14:50:29 -0400
commit2f4084209adc77f9a1c9f38db3019a509e167882 (patch)
tree775657114c885505ecc46605e29ea1470e986f76 /block/blk-settings.c
parent2f10ffcfb28beb35137d9e86992c771b4a6c5f2a (diff)
parent3440c49f5c5ecb4f29b0544aa87da71888404f8f (diff)
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: (34 commits) cfq-iosched: Fix the incorrect timeslice accounting with forced_dispatch loop: Update mtime when writing using aops block: expose the statistics in blkio.time and blkio.sectors for the root cgroup backing-dev: Handle class_create() failure Block: Fix block/elevator.c elevator_get() off-by-one error drbd: lc_element_by_index() never returns NULL cciss: unlock on error path cfq-iosched: Do not merge queues of BE and IDLE classes cfq-iosched: Add additional blktrace log messages in CFQ for easier debugging i2o: Remove the dangerous kobj_to_i2o_device macro block: remove 16 bytes of padding from struct request on 64bits cfq-iosched: fix a kbuild regression block: make CONFIG_BLK_CGROUP visible Remove GENHD_FL_DRIVERFS block: Export max number of segments and max segment size in sysfs block: Finalize conversion of block limits functions block: Fix overrun in lcm() and move it to lib vfs: improve writeback_inodes_wb() paride: fix off-by-one test drbd: fix al-to-on-disk-bitmap for 4k logical_block_size ...
Diffstat (limited to 'block/blk-settings.c')
-rw-r--r--block/blk-settings.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index d9a9db5f0a2b..f5ed5a1187ba 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -8,6 +8,7 @@
8#include <linux/blkdev.h> 8#include <linux/blkdev.h>
9#include <linux/bootmem.h> /* for max_pfn/max_low_pfn */ 9#include <linux/bootmem.h> /* for max_pfn/max_low_pfn */
10#include <linux/gcd.h> 10#include <linux/gcd.h>
11#include <linux/lcm.h>
11#include <linux/jiffies.h> 12#include <linux/jiffies.h>
12#include <linux/gfp.h> 13#include <linux/gfp.h>
13 14
@@ -462,16 +463,6 @@ void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b)
462} 463}
463EXPORT_SYMBOL(blk_queue_stack_limits); 464EXPORT_SYMBOL(blk_queue_stack_limits);
464 465
465static unsigned int lcm(unsigned int a, unsigned int b)
466{
467 if (a && b)
468 return (a * b) / gcd(a, b);
469 else if (b)
470 return b;
471
472 return a;
473}
474
475/** 466/**
476 * blk_stack_limits - adjust queue_limits for stacked devices 467 * blk_stack_limits - adjust queue_limits for stacked devices
477 * @t: the stacking driver limits (top device) 468 * @t: the stacking driver limits (top device)