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GFS2: Update gfs2_get_block_type() to use rbm

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Use the new gfs2_rbm_from_block() function to replace an open
coded version of the same code.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse
2012-08-03 11:10:30 +01:00
parent 5b924ae2dc
commit 3983903a71
1 changed files with 6 additions and 19 deletions
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25
fs/gfs2/rgrp.c
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@@ -1824,27 +1824,14 @@ void gfs2_inplace_release(struct gfs2_inode *ip)
static unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, u64 block) static unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, u64 block)
{ {
struct gfs2_bitmap *bi = NULL; struct gfs2_rbm rbm = { .rgd = rgd, };
u32 length, rgrp_block, buf_block; int ret;
unsigned int buf;
unsigned char type;
length = rgd->rd_length; ret = gfs2_rbm_from_block(&rbm, block);
rgrp_block = block - rgd->rd_data0; WARN_ON_ONCE(ret != 0);
for (buf = 0; buf < length; buf++) { return gfs2_testbit(rgd, rbm.bi->bi_bh->b_data + rbm.bi->bi_offset,
bi = rgd->rd_bits + buf; rbm.bi->bi_len, rbm.offset);
if (rgrp_block < (bi->bi_start + bi->bi_len) * GFS2_NBBY)
break;
}
gfs2_assert(rgd->rd_sbd, buf < length);
buf_block = rgrp_block - bi->bi_start * GFS2_NBBY;
type = gfs2_testbit(rgd, bi->bi_bh->b_data + bi->bi_offset,
bi->bi_len, buf_block);
return type;
} }