From 15562c439d0a1850b71aa1c0d92d1f4fb9503c8d Mon Sep 17 00:00:00 2001 From: Bob Peterson Date: Mon, 16 Mar 2015 11:52:05 -0500 Subject: GFS2: Move glock superblock pointer to field gl_name What uniquely identifies a glock in the glock hash table is not gl_name, but gl_name and its superblock pointer. This patch makes the gl_name field correspond to a unique glock identifier. That will allow us to simplify hashing with a future patch, since the hash algorithm can then take the gl_name and hash its components in one operation. Signed-off-by: Bob Peterson Signed-off-by: Andreas Gruenbacher Acked-by: Steven Whitehouse --- fs/gfs2/lops.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'fs/gfs2/lops.c') diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index 2c1ae861dc94..7833394a9a20 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -70,7 +70,7 @@ static bool buffer_is_rgrp(const struct gfs2_bufdata *bd) static void maybe_release_space(struct gfs2_bufdata *bd) { struct gfs2_glock *gl = bd->bd_gl; - struct gfs2_sbd *sdp = gl->gl_sbd; + struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; struct gfs2_rgrpd *rgd = gl->gl_object; unsigned int index = bd->bd_bh->b_blocknr - gl->gl_name.ln_number; struct gfs2_bitmap *bi = rgd->rd_bits + index; @@ -585,7 +585,7 @@ static int buf_lo_scan_elements(struct gfs2_jdesc *jd, unsigned int start, static void gfs2_meta_sync(struct gfs2_glock *gl) { struct address_space *mapping = gfs2_glock2aspace(gl); - struct gfs2_sbd *sdp = gl->gl_sbd; + struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; int error; if (mapping == NULL) @@ -595,7 +595,7 @@ static void gfs2_meta_sync(struct gfs2_glock *gl) error = filemap_fdatawait(mapping); if (error) - gfs2_io_error(gl->gl_sbd); + gfs2_io_error(gl->gl_name.ln_sbd); } static void buf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass) -- cgit v1.2.3