[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/inode.c b/fs/gfs2/inode.c
index 9084d60..0817f6e 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -1606,9 +1606,8 @@
curtime = get_seconds();
if (curtime - ip->i_di.di_atime >= quantum) {
gfs2_glock_dq(gh);
- gfs2_holder_reinit(LM_ST_EXCLUSIVE,
- gh->gh_flags & ~LM_FLAG_ANY,
- gh);
+ gfs2_holder_reinit(LM_ST_EXCLUSIVE, gh->gh_flags & ~LM_FLAG_ANY,
+ gh);
error = gfs2_glock_nq(gh);
if (error)
return error;