diff options
| author | Jens Axboe <axboe@suse.de> | 2003-07-25 00:39:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.osdl.org> | 2003-07-25 00:39:23 -0700 |
| commit | e45635ccc6445e19ca197853ea9ec555ec5ca25a (patch) | |
| tree | 05ee4c3863df3396148b431ac344a0df5a94dcfb /include/linux/bio.h | |
| parent | fe216eade3c29fe8c0c7cf316b8c7fc1c074861f (diff) | |
[PATCH] read-ahead and failfast
Here's the patch to enable failfast flag in the bio submission code, and
use it for multipath and readahead.
Diffstat (limited to 'include/linux/bio.h')
| -rw-r--r-- | include/linux/bio.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index d3f47b1b0f6a..6ad6d20d3778 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -119,10 +119,12 @@ struct bio { * bit 0 -- read (not set) or write (set) * bit 1 -- rw-ahead when set * bit 2 -- barrier + * bit 3 -- fail fast, don't want low level driver retries */ #define BIO_RW 0 #define BIO_RW_AHEAD 1 #define BIO_RW_BARRIER 2 +#define BIO_RW_FAILFAST 3 /* * various member access, note that bio_data should of course not be used |