diff options
| author | Kent Overstreet <koverstreet@google.com> | 2012-05-25 13:03:11 -0700 |
|---|---|---|
| committer | Kent Overstreet <koverstreet@google.com> | 2013-03-23 14:26:33 -0700 |
| commit | a38352e0ac02dbbd4fa464dc22d1352b5fbd06fd (patch) | |
| tree | cae9097633ac86ab3b32ee8db9dc2e847929ad06 /include/linux/blk_types.h | |
| parent | a07876064a0b73ab5ef1ebcf14b1cf0231c07858 (diff) | |
block: Add an explicit bio flag for bios that own their bvec
This is for the new bio splitting code. When we split a bio, if the
split occured on a bvec boundry we reuse the bvec for the new bio. But
that means bio_free() can't free it, hence the explicit flag.
Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Jens Axboe <axboe@kernel.dk>
Acked-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/blk_types.h')
| -rw-r--r-- | include/linux/blk_types.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index c178d25e588..538289ffc70 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -117,6 +117,7 @@ struct bio { * BIO_POOL_IDX() */ #define BIO_RESET_BITS 12 +#define BIO_OWNS_VEC 12 /* bio_free() should free bvec */ #define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag))) |