Commit d24e0569 authored by Bob Peterson's avatar Bob Peterson Committed by Steven Whitehouse
Browse files

GFS2: Use gfs2_rbm_incr in rgblk_free



This patch speeds up GFS2 unlink operations by using function
gfs2_rbm_incr rather than continuously calculating the rbm.
Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent 19aeb5a6
......@@ -2097,7 +2097,7 @@ static struct gfs2_rgrpd *rgblk_free(struct gfs2_sbd *sdp, u64 bstart,
u32 blen, unsigned char new_state)
{
struct gfs2_rbm rbm;
struct gfs2_bitmap *bi;
struct gfs2_bitmap *bi, *bi_prev = NULL;
rbm.rgd = gfs2_blk2rgrpd(sdp, bstart, 1);
if (!rbm.rgd) {
......@@ -2106,18 +2106,22 @@ static struct gfs2_rgrpd *rgblk_free(struct gfs2_sbd *sdp, u64 bstart,
return NULL;
}
gfs2_rbm_from_block(&rbm, bstart);
while (blen--) {
gfs2_rbm_from_block(&rbm, bstart);
bi = rbm_bi(&rbm);
bstart++;
if (!bi->bi_clone) {
bi->bi_clone = kmalloc(bi->bi_bh->b_size,
GFP_NOFS | __GFP_NOFAIL);
memcpy(bi->bi_clone + bi->bi_offset,
bi->bi_bh->b_data + bi->bi_offset, bi->bi_len);
if (bi != bi_prev) {
if (!bi->bi_clone) {
bi->bi_clone = kmalloc(bi->bi_bh->b_size,
GFP_NOFS | __GFP_NOFAIL);
memcpy(bi->bi_clone + bi->bi_offset,
bi->bi_bh->b_data + bi->bi_offset,
bi->bi_len);
}
gfs2_trans_add_meta(rbm.rgd->rd_gl, bi->bi_bh);
bi_prev = bi;
}
gfs2_trans_add_meta(rbm.rgd->rd_gl, bi->bi_bh);
gfs2_setbit(&rbm, false, new_state);
gfs2_rbm_incr(&rbm);
}
return rbm.rgd;
......
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