Set bi_rw when alloc bio before call bio_add_page.
Get series with b4
b4 am [email protected]Versions newest first
- v1 Latest8 patches 7 repliesIn review
Patches in v1 No applies recorded yet
Reviews trailers per patch
No Reviewed-by, Acked-by or Tested-by trailers for v1 yet.
Cover letter [PATCH 0/8] Set bi_rw when alloc bio before call bio_add_page.
When exec bio_alloc, the bi_rw is zero.But after calling bio_add_page, it will use bi_rw.
Fox example, in functiion __bio_add_page,it will call merge_bvec_fn(). The merge_bvec_fn of raid456 will use the bi_rw to judge the merge.
Quoted 2 lines
Quoted 2 lines
if ((
bvm->bi_rw& 1) == WRITE)
returnbiovec->bv_len; /* always allow writes to be mergeable */
Jianpeng Ma (8):
Evalue bio->bi_rw after calling bio_alloc() and before calling
bio_add_page().
Evalue bio->bi_rw after calling bio_alloc() and before calling
bio_add_page().
Evalue bio->bi_rw after calling bio_alloc() and before calling
bio_add_page().
Evalue bio->bi_rw after calling bio_alloc() and before calling
bio_add_page().
Evalue bio->bi_rw after calling bio_alloc() and before calling
bio_add_page().
Evalue bio->bi_rw after calling bio_alloc() and before calling
bio_add_page().
Evalue bio->bi_rw after calling bio_alloc() and before calling
bio_add_page().
Evalue bio->bi_rw after calling bio_alloc() and before calling
bio_add_page().block/blk-lib.c | 1 + drivers/block/xen-blkback/blkback.c | 1 + fs/btrfs/check-integrity.c | 1 + fs/direct-io.c | 1 + fs/ext4/page-io.c | 1 + fs/jfs/jfs_metapage.c | 1 + fs/ocfs2/cluster/heartbeat.c | 8 +++++--- fs/xfs/xfs_aops.c | 2 ++ fs/xfs/xfs_buf.c | 1 + 9 files changed, 14 insertions(+), 3 deletions(-)
Signature · 5 lines
1.7.9.5 _______________________________________________ xfs mailing list [email protected] http://oss.sgi.com/mailman/listinfo/xfs