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GFS2: Update rgblk_free() to use rbm 

Replace open coded version with a call to gfs2_rbm_from_block()

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2012-08-03 11:23:28 +01:00
parent 3983903a71
commit 3b1d0b9d0b
1 changed files with 14 additions and 30 deletions
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44
fs/gfs2/rgrp.c
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@ -1890,46 +1890,30 @@ static u64 gfs2_alloc_extent(const struct gfs2_rbm *rbm, bool dinode,
static struct gfs2_rgrpd *rgblk_free(struct gfs2_sbd *sdp, u64 bstart,
u32 blen, unsigned char new_state)
{
struct gfs2_rgrpd *rgd;
struct gfs2_bitmap *bi = NULL;
u32 length, rgrp_blk, buf_blk;
unsigned int buf;
struct gfs2_rbm rbm;
rgd = gfs2_blk2rgrpd(sdp, bstart, 1);
if (!rgd) {
rbm.rgd = gfs2_blk2rgrpd(sdp, bstart, 1);
if (!rbm.rgd) {
if (gfs2_consist(sdp))
fs_err(sdp, "block = %llu\n", (unsigned long long)bstart);
return NULL;
}
length = rgd->rd_length;
rgrp_blk = bstart - rgd->rd_data0;
while (blen--) {
for (buf = 0; buf < length; buf++) {
bi = rgd->rd_bits + buf;
if (rgrp_blk < (bi->bi_start + bi->bi_len) * GFS2_NBBY)
break;
gfs2_rbm_from_block(&rbm, bstart);
bstart++;
if (!rbm.bi->bi_clone) {
rbm.bi->bi_clone = kmalloc(rbm.bi->bi_bh->b_size,
GFP_NOFS | __GFP_NOFAIL);
memcpy(rbm.bi->bi_clone + rbm.bi->bi_offset,
rbm.bi->bi_bh->b_data + rbm.bi->bi_offset,
rbm.bi->bi_len);
}
gfs2_assert(rgd->rd_sbd, buf < length);
buf_blk = rgrp_blk - bi->bi_start * GFS2_NBBY;
rgrp_blk++;
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_bh(rgd->rd_gl, bi->bi_bh, 1);
gfs2_setbit(rgd, NULL, bi, buf_blk, new_state);
gfs2_trans_add_bh(rbm.rgd->rd_gl, rbm.bi->bi_bh, 1);
gfs2_setbit(rbm.rgd, NULL, rbm.bi, rbm.offset, new_state);
}
return rgd;
return rbm.rgd;
}
/**