提交 6da54179 编写于 作者: E Eric Sandeen 提交者: Ben Myers

xfs: rename xfs_buftarg structure members

In preparation for adding new members to the structure,
give these old ones more descriptive names:

	bt_ssize -> bt_meta_sectorsize
	bt_smask -> bt_meta_sectormask
Signed-off-by: NEric Sandeen <sandeen@redhat.com>
Reviewed-by: NBrian Foster <bfoster@redhat.com>
Reviewed-by: NDave Chinner <dchinner@redhat.com>
Signed-off-by: NBen Myers <bpm@sgi.com>
上级 f0bc9985
...@@ -445,8 +445,8 @@ _xfs_buf_find( ...@@ -445,8 +445,8 @@ _xfs_buf_find(
numbytes = BBTOB(numblks); numbytes = BBTOB(numblks);
/* Check for IOs smaller than the sector size / not sector aligned */ /* Check for IOs smaller than the sector size / not sector aligned */
ASSERT(!(numbytes < btp->bt_ssize)); ASSERT(!(numbytes < btp->bt_meta_sectorsize));
ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_smask)); ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_meta_sectormask));
/* /*
* Corrupted block numbers can get through to here, unfortunately, so we * Corrupted block numbers can get through to here, unfortunately, so we
...@@ -1599,8 +1599,8 @@ xfs_setsize_buftarg( ...@@ -1599,8 +1599,8 @@ xfs_setsize_buftarg(
unsigned int blocksize, unsigned int blocksize,
unsigned int sectorsize) unsigned int sectorsize)
{ {
btp->bt_ssize = sectorsize; btp->bt_meta_sectorsize = sectorsize;
btp->bt_smask = sectorsize - 1; btp->bt_meta_sectormask = sectorsize - 1;
if (set_blocksize(btp->bt_bdev, sectorsize)) { if (set_blocksize(btp->bt_bdev, sectorsize)) {
char name[BDEVNAME_SIZE]; char name[BDEVNAME_SIZE];
......
...@@ -93,8 +93,8 @@ typedef struct xfs_buftarg { ...@@ -93,8 +93,8 @@ typedef struct xfs_buftarg {
struct block_device *bt_bdev; struct block_device *bt_bdev;
struct backing_dev_info *bt_bdi; struct backing_dev_info *bt_bdi;
struct xfs_mount *bt_mount; struct xfs_mount *bt_mount;
unsigned int bt_ssize; unsigned int bt_meta_sectorsize;
size_t bt_smask; size_t bt_meta_sectormask;
/* LRU control structures */ /* LRU control structures */
struct shrinker bt_shrinker; struct shrinker bt_shrinker;
......
...@@ -261,7 +261,7 @@ xfs_file_aio_read( ...@@ -261,7 +261,7 @@ xfs_file_aio_read(
xfs_buftarg_t *target = xfs_buftarg_t *target =
XFS_IS_REALTIME_INODE(ip) ? XFS_IS_REALTIME_INODE(ip) ?
mp->m_rtdev_targp : mp->m_ddev_targp; mp->m_rtdev_targp : mp->m_ddev_targp;
if ((pos & target->bt_smask) || (size & target->bt_smask)) { if ((pos | size) & target->bt_meta_sectormask) {
if (pos == i_size_read(inode)) if (pos == i_size_read(inode))
return 0; return 0;
return -XFS_ERROR(EINVAL); return -XFS_ERROR(EINVAL);
...@@ -641,7 +641,7 @@ xfs_file_dio_aio_write( ...@@ -641,7 +641,7 @@ xfs_file_dio_aio_write(
struct xfs_buftarg *target = XFS_IS_REALTIME_INODE(ip) ? struct xfs_buftarg *target = XFS_IS_REALTIME_INODE(ip) ?
mp->m_rtdev_targp : mp->m_ddev_targp; mp->m_rtdev_targp : mp->m_ddev_targp;
if ((pos & target->bt_smask) || (count & target->bt_smask)) if ((pos | count) & target->bt_meta_sectormask)
return -XFS_ERROR(EINVAL); return -XFS_ERROR(EINVAL);
if ((pos & mp->m_blockmask) || ((pos + count) & mp->m_blockmask)) if ((pos & mp->m_blockmask) || ((pos + count) & mp->m_blockmask))
......
...@@ -1583,7 +1583,7 @@ xfs_file_ioctl( ...@@ -1583,7 +1583,7 @@ xfs_file_ioctl(
XFS_IS_REALTIME_INODE(ip) ? XFS_IS_REALTIME_INODE(ip) ?
mp->m_rtdev_targp : mp->m_ddev_targp; mp->m_rtdev_targp : mp->m_ddev_targp;
da.d_mem = da.d_miniosz = target->bt_ssize; da.d_mem = da.d_miniosz = target->bt_meta_sectorsize;
da.d_maxiosz = INT_MAX & ~(da.d_miniosz - 1); da.d_maxiosz = INT_MAX & ~(da.d_miniosz - 1);
if (copy_to_user(arg, &da, sizeof(da))) if (copy_to_user(arg, &da, sizeof(da)))
......
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