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Old 08-03-2012, 11:31 AM
Steven Whitehouse
 
Default GFS2: Update rgblk_free() to use rbm

>From 25587964235b6968ac8173d0ecea5b5cebbd9443 Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Fri, 3 Aug 2012 11:23:28 +0100
Subject: 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>

diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 0c1be38..06476b3 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -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
", (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;
}

/**
--
1.7.4
 
Old 09-26-2012, 08:25 AM
Steven Whitehouse
 
Default 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>

diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 0c1be38..06476b3 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -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
", (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;
}

/**
--
1.7.4
 

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