diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2010-05-10 11:59:37 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2010-05-10 14:20:42 +0200 |
commit | dbb6be6d5e974c42bbecd183effaa0df69e1dd8b (patch) | |
tree | 5735cb47e70853d057a9881dd0ce44b83e88fa63 /drivers/md/raid0.c | |
parent | 6a867a395558a7f882d041783e4cdea6744ca2bf (diff) | |
parent | b57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff) |
Merge branch 'linus' into timers/core
Reason: Further posix_cpu_timer patches depend on mainline changes
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/md/raid0.c')
-rw-r--r-- | drivers/md/raid0.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index a1f7147b757..c3bec024612 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -20,6 +20,7 @@ #include <linux/blkdev.h> #include <linux/seq_file.h> +#include <linux/slab.h> #include "md.h" #include "raid0.h" @@ -176,14 +177,15 @@ static int create_strip_zones(mddev_t *mddev) disk_stack_limits(mddev->gendisk, rdev1->bdev, rdev1->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk - * violating it, so limit ->max_sector to one PAGE, as - * a one page request is never in violation. + * violating it, so limit ->max_segments to 1, lying within + * a single page. */ - if (rdev1->bdev->bd_disk->queue->merge_bvec_fn && - queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9)) - blk_queue_max_hw_sectors(mddev->queue, PAGE_SIZE>>9); - + if (rdev1->bdev->bd_disk->queue->merge_bvec_fn) { + blk_queue_max_segments(mddev->queue, 1); + blk_queue_segment_boundary(mddev->queue, + PAGE_CACHE_SIZE - 1); + } if (!smallest || (rdev1->sectors < smallest->sectors)) smallest = rdev1; cnt++; |