Commit 15c7cee7 authored by Bob Peterson's avatar Bob Peterson Committed by Steven Whitehouse
Browse files

[GFS2] Function meta_read optimization



This patch optimizes function gfs2_meta_read.  Basically, gfs2_meta_wait
was being called regardless of whether a disk read was requested.
This just pulls that wait into the if that triggers the read.

Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent b0d5fd30
......@@ -222,7 +222,7 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
struct buffer_head **bhp)
{
*bhp = getbuf(gl, blkno, CREATE);
if (!buffer_uptodate(*bhp))
if (!buffer_uptodate(*bhp)) {
ll_rw_block(READ_META, 1, bhp);
if (flags & DIO_WAIT) {
int error = gfs2_meta_wait(gl->gl_sbd, *bhp);
......@@ -231,6 +231,7 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
return error;
}
}
}
return 0;
}
......
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