[GFS2] Readpages support
This adds readpages support (and also corrects a small bug in
the readpage error path at the same time). Hopefully this will
improve performance by allowing GFS to submit larger lumps of
I/O at a time.
In order to simplify the setting of BH_Boundary, it currently gets
set when we hit the end of a indirect pointer block. There is
always a boundary at this point with the current allocation code.
It doesn't get all the boundaries right though, so there is still
room for improvement in this.
See comments in fs/gfs2/ops_address.c for further information about
readpages with GFS2.
Signed-off-by: Steven Whitehouse
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 134fc57..02d31e3 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -211,9 +211,9 @@
int new = 0;
uint64_t dbn;
int error;
+ int bdy;
- error = gfs2_block_map(sdp->sd_jdesc->jd_inode->u.generic_ip,
- lbn, &new, &dbn, NULL);
+ error = gfs2_block_map(sdp->sd_jdesc->jd_inode, lbn, &new, &dbn, &bdy);
gfs2_assert_withdraw(sdp, !error && dbn);
return dbn;