xfs: allow logical-sector sized O_DIRECT

[deliverable/linux.git] / fs / xfs / xfs_buf.c

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 9fccfb59429119be16786e1fd2d9b6104546ef93..51757113a822abc57334bbc25f0251671fdd3266 100644 (file)
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -445,8 +445,8 @@ _xfs_buf_find(
        numbytes = BBTOB(numblks);
 
        /* Check for IOs smaller than the sector size / not sector aligned */
-       ASSERT(!(numbytes < (1 << btp->bt_sshift)));
-       ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_smask));
+       ASSERT(!(numbytes < btp->bt_meta_sectorsize));
+       ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_meta_sectormask));
 
        /*
         * Corrupted block numbers can get through to here, unfortunately, so we
@@ -1599,9 +1599,9 @@ xfs_setsize_buftarg(
        unsigned int            blocksize,
        unsigned int            sectorsize)
 {
-       btp->bt_bsize = blocksize;
-       btp->bt_sshift = ffs(sectorsize) - 1;
-       btp->bt_smask = sectorsize - 1;
+       /* Set up metadata sector size info */
+       btp->bt_meta_sectorsize = sectorsize;
+       btp->bt_meta_sectormask = sectorsize - 1;
 
        if (set_blocksize(btp->bt_bdev, sectorsize)) {
                char name[BDEVNAME_SIZE];
@@ -1614,6 +1614,10 @@ xfs_setsize_buftarg(
                return EINVAL;
        }
 
+       /* Set up device logical sector size mask */
+       btp->bt_logical_sectorsize = bdev_logical_block_size(btp->bt_bdev);
+       btp->bt_logical_sectormask = bdev_logical_block_size(btp->bt_bdev) - 1;
+
        return 0;
 }