xfs: remove if_rdev
We can simply use the i_rdev field in the Linux inode and just convert
to and from the XFS dev_t when reading or logging/writing the inode.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 17081c7..8b5676d 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -160,7 +160,6 @@ xfs_generic_create(
if (S_ISCHR(mode) || S_ISBLK(mode)) {
if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
return -EINVAL;
- rdev = sysv_encode_dev(rdev);
} else {
rdev = 0;
}
@@ -535,8 +534,7 @@ xfs_vn_getattr(
case S_IFBLK:
case S_IFCHR:
stat->blksize = BLKDEV_IOSIZE;
- stat->rdev = MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
- sysv_minor(ip->i_df.if_u2.if_rdev));
+ stat->rdev = inode->i_rdev;
break;
default:
if (XFS_IS_REALTIME_INODE(ip)) {
@@ -1231,18 +1229,6 @@ xfs_setup_inode(
inode->i_uid = xfs_uid_to_kuid(ip->i_d.di_uid);
inode->i_gid = xfs_gid_to_kgid(ip->i_d.di_gid);
- switch (inode->i_mode & S_IFMT) {
- case S_IFBLK:
- case S_IFCHR:
- inode->i_rdev =
- MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
- sysv_minor(ip->i_df.if_u2.if_rdev));
- break;
- default:
- inode->i_rdev = 0;
- break;
- }
-
i_size_write(inode, ip->i_d.di_size);
xfs_diflags_to_iflags(inode, ip);