From: Eric Sandeen Date: Tue, 21 Jan 2014 22:44:57 +0000 (-0600) Subject: xfs: clean up xfs_buftarg X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f0bc9985fe8bf4377d5557cd7957d9be43ec8861;p=linux-beck.git xfs: clean up xfs_buftarg Clean up the xfs_buftarg structure a bit: - remove bt_bsize which is never used - replace bt_sshift with bt_ssize; we only ever shift it back Signed-off-by: Eric Sandeen Reviewed-by: Brian Foster Reviewed-by: Dave Chinner Signed-off-by: Ben Myers --- diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 9fccfb594291..b664bce57bfc 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -445,7 +445,7 @@ _xfs_buf_find( numbytes = BBTOB(numblks); /* Check for IOs smaller than the sector size / not sector aligned */ - ASSERT(!(numbytes < (1 << btp->bt_sshift))); + ASSERT(!(numbytes < btp->bt_ssize)); ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_smask)); /* @@ -1599,8 +1599,7 @@ xfs_setsize_buftarg( unsigned int blocksize, unsigned int sectorsize) { - btp->bt_bsize = blocksize; - btp->bt_sshift = ffs(sectorsize) - 1; + btp->bt_ssize = sectorsize; btp->bt_smask = sectorsize - 1; if (set_blocksize(btp->bt_bdev, sectorsize)) { diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 1cf21a4a9f22..4ef949aebb04 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -93,8 +93,7 @@ typedef struct xfs_buftarg { struct block_device *bt_bdev; struct backing_dev_info *bt_bdi; struct xfs_mount *bt_mount; - unsigned int bt_bsize; - unsigned int bt_sshift; + unsigned int bt_ssize; size_t bt_smask; /* LRU control structures */ diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 518aa56b8f2e..584e092415d0 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -1583,7 +1583,7 @@ xfs_file_ioctl( XFS_IS_REALTIME_INODE(ip) ? mp->m_rtdev_targp : mp->m_ddev_targp; - da.d_mem = da.d_miniosz = 1 << target->bt_sshift; + da.d_mem = da.d_miniosz = target->bt_ssize; da.d_maxiosz = INT_MAX & ~(da.d_miniosz - 1); if (copy_to_user(arg, &da, sizeof(da)))