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[GFS2] Merge gfs2_alloc_meta and gfs2_alloc_data

Browse source 
Thanks to the preceeding patches, the only difference between
these two functions is their name. We can thus merge them
and call the new function gfs2_alloc_block to reflect the
fact that it can allocate either kind of block.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2008-02-01 14:52:30 +00:00
parent 5731be53e3
commit 1639431a3f
5 changed files with 13 additions and 62 deletions
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13
fs/gfs2/bmap.c
View file

@ -137,7 +137,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page)
and write it out to disk */
if (isdir) {
block = gfs2_alloc_meta(ip);
block = gfs2_alloc_block(ip);
gfs2_trans_add_unrevoke(GFS2_SB(&ip->i_inode), block, 1);
error = gfs2_dir_get_new_buffer(ip, block, &bh);
if (error)
@ -146,7 +146,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page)
dibh, sizeof(struct gfs2_dinode));
brelse(bh);
} else {
block = gfs2_alloc_data(ip);
block = gfs2_alloc_block(ip);
error = gfs2_unstuffer_page(ip, dibh, block, page);
if (error)
@ -205,7 +205,7 @@ static int build_height(struct inode *inode, struct metapath *mp, unsigned heigh
return error;
for(n = 0; n < new_height; n++) {
bn = gfs2_alloc_meta(ip);
bn = gfs2_alloc_block(ip);
gfs2_trans_add_unrevoke(GFS2_SB(inode), bn, 1);
mp->mp_bh[n] = gfs2_meta_new(ip->i_gl, bn);
gfs2_trans_add_bh(ip->i_gl, mp->mp_bh[n], 1);
@ -369,12 +369,9 @@ static int lookup_block(struct gfs2_inode *ip, unsigned int height,
if (!create)
return 0;
if (height == ip->i_height - 1 && !gfs2_is_dir(ip))
*block = gfs2_alloc_data(ip);
else {
*block = gfs2_alloc_meta(ip);
*block = gfs2_alloc_block(ip);
if (height != ip->i_height - 1 || gfs2_is_dir(ip))
gfs2_trans_add_unrevoke(GFS2_SB(&ip->i_inode), *block, 1);
}
gfs2_trans_add_bh(ip->i_gl, mp->mp_bh[height], 1);

2
fs/gfs2/dir.c
View file

@ -803,7 +803,7 @@ got_dent:
static struct gfs2_leaf *new_leaf(struct inode *inode, struct buffer_head **pbh, u16 depth)
{
struct gfs2_inode *ip = GFS2_I(inode);
u64 bn = gfs2_alloc_meta(ip);
u64 bn = gfs2_alloc_block(ip);
struct buffer_head *bh = gfs2_meta_new(ip->i_gl, bn);
struct gfs2_leaf *leaf;
struct gfs2_dirent *dent;

6
fs/gfs2/eattr.c
View file

@ -584,7 +584,7 @@ static int ea_alloc_blk(struct gfs2_inode *ip, struct buffer_head **bhp)
struct gfs2_ea_header *ea;
u64 block;
block = gfs2_alloc_meta(ip);
block = gfs2_alloc_block(ip);
gfs2_trans_add_unrevoke(sdp, block, 1);
*bhp = gfs2_meta_new(ip->i_gl, block);
gfs2_trans_add_bh(ip->i_gl, *bhp, 1);
@ -643,7 +643,7 @@ static int ea_write(struct gfs2_inode *ip, struct gfs2_ea_header *ea,
u64 block;
int mh_size = sizeof(struct gfs2_meta_header);
block = gfs2_alloc_meta(ip);
block = gfs2_alloc_block(ip);
gfs2_trans_add_unrevoke(sdp, block, 1);
bh = gfs2_meta_new(ip->i_gl, block);
gfs2_trans_add_bh(ip->i_gl, bh, 1);
@ -967,7 +967,7 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er,
} else {
u64 blk;
blk = gfs2_alloc_meta(ip);
blk = gfs2_alloc_block(ip);
gfs2_trans_add_unrevoke(sdp, blk, 1);
indbh = gfs2_meta_new(ip->i_gl, blk);
gfs2_trans_add_bh(ip->i_gl, indbh, 1);

51
fs/gfs2/rgrp.c
View file

@ -1405,58 +1405,13 @@ static struct gfs2_rgrpd *rgblk_free(struct gfs2_sbd *sdp, u64 bstart,
}
/**
* gfs2_alloc_data - Allocate a data block
* @ip: the inode to allocate the data block for
* gfs2_alloc_block - Allocate a block
* @ip: the inode to allocate the block for
*
* Returns: the allocated block
*/
u64 gfs2_alloc_data(struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_alloc *al = ip->i_alloc;
struct gfs2_rgrpd *rgd = al->al_rgd;
u32 goal, blk;
u64 block;
if (rgrp_contains_block(rgd, ip->i_goal))
goal = ip->i_goal - rgd->rd_data0;
else
goal = rgd->rd_last_alloc;
blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, GFS2_BLKST_USED);
BUG_ON(blk == BFITNOENT);
rgd->rd_last_alloc = blk;
block = rgd->rd_data0 + blk;
ip->i_goal = block;
gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free);
rgd->rd_rg.rg_free--;
gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
al->al_alloced++;
gfs2_statfs_change(sdp, 0, -1, 0);
gfs2_quota_change(ip, +1, ip->i_inode.i_uid, ip->i_inode.i_gid);
spin_lock(&sdp->sd_rindex_spin);
rgd->rd_free_clone--;
spin_unlock(&sdp->sd_rindex_spin);
return block;
}
/**
* gfs2_alloc_meta - Allocate a metadata block
* @ip: the inode to allocate the metadata block for
*
* Returns: the allocated block
*/
u64 gfs2_alloc_meta(struct gfs2_inode *ip)
u64 gfs2_alloc_block(struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_alloc *al = ip->i_alloc;

3
fs/gfs2/rgrp.h
View file

@ -46,8 +46,7 @@ void gfs2_inplace_release(struct gfs2_inode *ip);
unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, u64 block);
u64 gfs2_alloc_data(struct gfs2_inode *ip);
u64 gfs2_alloc_meta(struct gfs2_inode *ip);
u64 gfs2_alloc_block(struct gfs2_inode *ip);
u64 gfs2_alloc_di(struct gfs2_inode *ip, u64 *generation);
void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen);