From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- kernel/drivers/md/dm-thin-metadata.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'kernel/drivers/md/dm-thin-metadata.h') diff --git a/kernel/drivers/md/dm-thin-metadata.h b/kernel/drivers/md/dm-thin-metadata.h index fac01a96d..a938babe4 100644 --- a/kernel/drivers/md/dm-thin-metadata.h +++ b/kernel/drivers/md/dm-thin-metadata.h @@ -146,6 +146,15 @@ struct dm_thin_lookup_result { int dm_thin_find_block(struct dm_thin_device *td, dm_block_t block, int can_issue_io, struct dm_thin_lookup_result *result); +/* + * Retrieve the next run of contiguously mapped blocks. Useful for working + * out where to break up IO. Returns 0 on success, < 0 on error. + */ +int dm_thin_find_mapped_range(struct dm_thin_device *td, + dm_block_t begin, dm_block_t end, + dm_block_t *thin_begin, dm_block_t *thin_end, + dm_block_t *pool_begin, bool *maybe_shared); + /* * Obtain an unused block. */ @@ -158,6 +167,8 @@ int dm_thin_insert_block(struct dm_thin_device *td, dm_block_t block, dm_block_t data_block); int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block); +int dm_thin_remove_range(struct dm_thin_device *td, + dm_block_t begin, dm_block_t end); /* * Queries. -- cgit 1.2.3-korg