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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-03 12:43:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-03 12:43:36 -0700 |
| commit | b4f555081fdd27d13e6ff39d455d5aefae9d2c0c (patch) | |
| tree | 917acaae9556ad2c372d001bf786cfbcf8102684 /drivers | |
| parent | 160acc2e899f26356bde92bc257253b7ca78f0c3 (diff) | |
| parent | 51fd77bd9f512ab6cc9df0733ba1caaab89eb957 (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:
[BLOCK] Don't allow empty barriers to be passed down to queues that don't grok them
dm: bounce_pfn limit added
Deadline iosched: Fix batching fairness
Deadline iosched: Reset batch for ordered requests
Deadline iosched: Factor out finding latter reques
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm-table.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 8939e610508..5a7eb650181 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -102,6 +102,8 @@ static void combine_restrictions_low(struct io_restrictions *lhs, lhs->seg_boundary_mask = min_not_zero(lhs->seg_boundary_mask, rhs->seg_boundary_mask); + lhs->bounce_pfn = min_not_zero(lhs->bounce_pfn, rhs->bounce_pfn); + lhs->no_cluster |= rhs->no_cluster; } @@ -566,6 +568,8 @@ void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev) min_not_zero(rs->seg_boundary_mask, q->seg_boundary_mask); + rs->bounce_pfn = min_not_zero(rs->bounce_pfn, q->bounce_pfn); + rs->no_cluster |= !test_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags); } EXPORT_SYMBOL_GPL(dm_set_device_limits); @@ -707,6 +711,8 @@ static void check_for_valid_limits(struct io_restrictions *rs) rs->max_segment_size = MAX_SEGMENT_SIZE; if (!rs->seg_boundary_mask) rs->seg_boundary_mask = -1; + if (!rs->bounce_pfn) + rs->bounce_pfn = -1; } int dm_table_add_target(struct dm_table *t, const char *type, @@ -891,6 +897,7 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q) q->hardsect_size = t->limits.hardsect_size; q->max_segment_size = t->limits.max_segment_size; q->seg_boundary_mask = t->limits.seg_boundary_mask; + q->bounce_pfn = t->limits.bounce_pfn; if (t->limits.no_cluster) q->queue_flags &= ~(1 << QUEUE_FLAG_CLUSTER); else |