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xfs: use xfs_icluster_size_fsb in xfs_bulkstat 

Use xfs_icluster_size_fsb() in xfs_bulkstat(), make the related
variables more meaningful and remove an unused variable nimask
from it.

Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Jie Liu 2013-12-13 15:51:48 +11:00 committed by Dave Chinner
parent 904957b750
commit a2ba07b2d2
1 changed files with 9 additions and 13 deletions
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22
fs/xfs/xfs_itable.c
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@ -209,9 +209,8 @@ xfs_bulkstat(
xfs_inobt_rec_incore_t *irbuf; /* start of irec buffer */
xfs_inobt_rec_incore_t *irbufend; /* end of good irec buffer entries */
xfs_ino_t lastino; /* last inode number returned */
int nbcluster; /* # of blocks in a cluster */
int nicluster; /* # of inodes in a cluster */
int nimask; /* mask for inode clusters */
int blks_per_cluster; /* # of blocks per cluster */
int inodes_per_cluster;/* # of inodes per cluster */
int nirbuf; /* size of irbuf */
int rval; /* return value error code */
int tmp; /* result value from btree calls */
@ -243,11 +242,8 @@ xfs_bulkstat(
*done = 0;
fmterror = 0;
ubufp = ubuffer;
nicluster = mp->m_sb.sb_blocksize >= mp->m_inode_cluster_size ?
mp->m_sb.sb_inopblock :
(mp->m_inode_cluster_size >> mp->m_sb.sb_inodelog);
nimask = ~(nicluster - 1);
nbcluster = nicluster >> mp->m_sb.sb_inopblog;
blks_per_cluster = xfs_icluster_size_fsb(mp);
inodes_per_cluster = blks_per_cluster << mp->m_sb.sb_inopblog;
irbuf = kmem_zalloc_greedy(&irbsize, PAGE_SIZE, PAGE_SIZE * 4);
if (!irbuf)
return ENOMEM;
@ -390,12 +386,12 @@ xfs_bulkstat(
agbno = XFS_AGINO_TO_AGBNO(mp, r.ir_startino);
for (chunkidx = 0;
chunkidx < XFS_INODES_PER_CHUNK;
chunkidx += nicluster,
agbno += nbcluster) {
if (xfs_inobt_maskn(chunkidx, nicluster)
& ~r.ir_free)
chunkidx += inodes_per_cluster,
agbno += blks_per_cluster) {
if (xfs_inobt_maskn(chunkidx,
inodes_per_cluster) & ~r.ir_free)
xfs_btree_reada_bufs(mp, agno,
agbno, nbcluster,
agbno, blks_per_cluster,
&xfs_inode_buf_ops);
}
blk_finish_plug(&plug);