From: Suparna Bhattacharya <suparna@in.ibm.com>
To: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
axboe@kernel.org
Subject: Re: [PATCH] Bio Traversal Changes (Patch 2/4: biotr8-blkusers.diff)
Date: Fri, 2 Aug 2002 18:16:28 +0530 [thread overview]
Message-ID: <20020802181628.B1859@in.ibm.com> (raw)
In-Reply-To: <20020802180513.A1802@in.ibm.com>; from suparna@in.ibm.com on Fri, Aug 02, 2002 at 06:05:13PM +0530
Corresponding modifications needed in code above block layer
to account for bio traversal changes, mainly ensuring correct
bi_voffset initialization when setting up bios.
diff -ur linux-2.5.30-pure/fs/direct-io.c linux-2.5.30-bio/fs/direct-io.c
--- linux-2.5.30-pure/fs/direct-io.c Fri Aug 2 10:08:29 2002
+++ linux-2.5.30-bio/fs/direct-io.c Fri Aug 2 10:42:13 2002
@@ -193,6 +193,9 @@
bio->bi_vcnt = bio->bi_idx;
bio->bi_idx = 0;
+ bio->bi_voffset = __BVEC_START(bio)->bv_offset;
+ bio->bi_endvoffset = __BVEC_END(bio)->bv_offset +
+ __BVEC_END(bio)->bv_len;
bio->bi_private = dio;
atomic_inc(&dio->bio_count);
submit_bio(dio->rw, bio);
diff -ur linux-2.5.30-pure/fs/jfs/jfs_logmgr.c linux-2.5.30-bio/fs/jfs/jfs_logmgr.c
--- linux-2.5.30-pure/fs/jfs/jfs_logmgr.c Sat Jul 27 08:28:38 2002
+++ linux-2.5.30-bio/fs/jfs/jfs_logmgr.c Fri Aug 2 10:42:13 2002
@@ -1817,6 +1817,9 @@
bio->bi_vcnt = 1;
bio->bi_idx = 0;
bio->bi_size = LOGPSIZE;
+ bio->bi_voffset = __BVEC_START(bio)->bv_offset;
+ bio->bi_endvoffset = __BVEC_END(bio)->bv_offset +
+ __BVEC_END(bio)->bv_len;
bio->bi_end_io = lbmIODone;
bio->bi_private = bp;
@@ -1959,6 +1962,9 @@
bio->bi_vcnt = 1;
bio->bi_idx = 0;
bio->bi_size = LOGPSIZE;
+ bio->bi_voffset = __BVEC_START(bio)->bv_offset;
+ bio->bi_endvoffset = __BVEC_END(bio)->bv_offset +
+ __BVEC_END(bio)->bv_len;
bio->bi_end_io = lbmIODone;
bio->bi_private = bp;
diff -ur linux-2.5.30-pure/fs/mpage.c linux-2.5.30-bio/fs/mpage.c
--- linux-2.5.30-pure/fs/mpage.c Sat Jul 27 08:28:32 2002
+++ linux-2.5.30-bio/fs/mpage.c Fri Aug 2 10:42:13 2002
@@ -82,6 +82,9 @@
{
bio->bi_vcnt = bio->bi_idx;
bio->bi_idx = 0;
+ bio->bi_voffset = __BVEC_START(bio)->bv_offset;
+ bio->bi_endvoffset = __BVEC_END(bio)->bv_offset +
+ __BVEC_END(bio)->bv_len;
bio->bi_end_io = mpage_end_io_read;
if (rw == WRITE)
bio->bi_end_io = mpage_end_io_write;
diff -ur linux-2.5.30-pure/mm/page_io.c linux-2.5.30-bio/mm/page_io.c
--- linux-2.5.30-pure/mm/page_io.c Fri Aug 2 10:08:31 2002
+++ linux-2.5.30-bio/mm/page_io.c Fri Aug 2 10:42:13 2002
@@ -42,6 +42,9 @@
bio->bi_vcnt = 1;
bio->bi_idx = 0;
bio->bi_size = PAGE_SIZE;
+ bio->bi_voffset = __BVEC_START(bio)->bv_offset;
+ bio->bi_endvoffset = __BVEC_END(bio)->bv_offset +
+ __BVEC_END(bio)->bv_len;
bio->bi_end_io = end_io;
}
return bio;
next prev parent reply other threads:[~2002-08-02 12:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-02 12:35 [PATCH] Bio Traversal Changes Suparna Bhattacharya
2002-08-02 12:43 ` [PATCH] Bio Traversal Changes (Patch 1/4: biotr8-blk.diff) Suparna Bhattacharya
2002-08-02 12:43 ` Suparna Bhattacharya
2002-08-02 12:46 ` Suparna Bhattacharya [this message]
2002-08-02 13:17 ` [PATCH] Bio Traversal Changes - (Patch 3/4 : biotr8-blkdrivers.diff) Suparna Bhattacharya
2002-08-02 13:20 ` [PATCH] Bio Traversal Changes (Patch 4/4: biotr8-doc.diff) Suparna Bhattacharya
2002-08-02 13:20 ` Suparna Bhattacharya
2002-08-02 13:48 ` [PATCH] Bio Traversal Changes James Bottomley
2002-08-05 12:38 ` Suparna Bhattacharya
2002-08-05 15:47 ` James Bottomley
2002-08-06 12:17 ` Suparna Bhattacharya
2002-08-06 12:17 ` Suparna Bhattacharya
2002-08-02 13:48 ` James Bottomley
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