Commit 560b8eba authored by Andreas Gruenbacher's avatar Andreas Gruenbacher
Browse files

gfs2: Set GBF_FULL flags when reading resource group 



When reading a resource group from disk or when receiving the resource group
statistics from a Lock Value Block (LVB), set/clear the GBF_FULL flags of all
bitmaps in that resource group according to whether or not the resource group
is full.

Signed-off-by: default avatarAndreas Gruenbacher <agruenba@redhat.com>
parent a12c6fa1

fs/gfs2/rgrp.c

+19 −2
Original line number Diff line number Diff line
@@ -1165,6 +1165,23 @@ static u32 count_unlinked(struct gfs2_rgrpd *rgd) 
	return count;

}



static void rgrp_set_bitmap_flags(struct gfs2_rgrpd *rgd)

{

	struct gfs2_bitmap *bi;

	int x;



	if (rgd->rd_free) {

		for (x = 0; x < rgd->rd_length; x++) {

			bi = rgd->rd_bits + x;

			clear_bit(GBF_FULL, &bi->bi_flags);

		}

	} else {

		for (x = 0; x < rgd->rd_length; x++) {

			bi = rgd->rd_bits + x;

			set_bit(GBF_FULL, &bi->bi_flags);

		}

	}

}



/**

 * gfs2_rgrp_bh_get - Read in a RG's header and bitmaps
@@ -1208,9 +1225,8 @@ static int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd) 
	}



	if (!(rgd->rd_flags & GFS2_RDF_UPTODATE)) {

		for (x = 0; x < length; x++)

			clear_bit(GBF_FULL, &rgd->rd_bits[x].bi_flags);

		gfs2_rgrp_in(rgd, (rgd->rd_bits[0].bi_bh)->b_data);

		rgrp_set_bitmap_flags(rgd);

		rgd->rd_flags |= (GFS2_RDF_UPTODATE | GFS2_RDF_CHECK);

		rgd->rd_free_clone = rgd->rd_free;

		/* max out the rgrp allocation failure point */
@@ -1260,6 +1276,7 @@ static int update_rgrp_lvb(struct gfs2_rgrpd *rgd) 
	if (rgd->rd_rgl->rl_unlinked == 0)

		rgd->rd_flags &= ~GFS2_RDF_CHECK;

	rgd->rd_free = be32_to_cpu(rgd->rd_rgl->rl_free);

	rgrp_set_bitmap_flags(rgd);

	rgd->rd_free_clone = rgd->rd_free;

	rgd->rd_dinodes = be32_to_cpu(rgd->rd_rgl->rl_dinodes);

	rgd->rd_igeneration = be64_to_cpu(rgd->rd_rgl->rl_igeneration);