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authorChristoph Hellwig <hch@lst.de>2017-11-20 19:56:52 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2017-11-21 12:44:53 +0300
commit274e0a1f4777b9362fc03a34e86358cc36003e48 (patch)
treec1cde1a02a916b71b412a0a7543999771efdc92f /fs
parent6818caa4cdc95d9ec5642a4439f8271a80189b48 (diff)
downloadlinux-274e0a1f4777b9362fc03a34e86358cc36003e48.tar.xz
xfs: abstract out dev_t conversions
And move them to xfs_linux.h so that xfsprogs can stub them out more easily. 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>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/libxfs/xfs_inode_fork.c8
-rw-r--r--fs/xfs/xfs_linux.h10
2 files changed, 12 insertions, 6 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index 1c90ec41e9df..c79a1616b79d 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -42,11 +42,6 @@ STATIC int xfs_iformat_local(xfs_inode_t *, xfs_dinode_t *, int, int);
STATIC int xfs_iformat_extents(xfs_inode_t *, xfs_dinode_t *, int);
STATIC int xfs_iformat_btree(xfs_inode_t *, xfs_dinode_t *, int);
-static inline dev_t xfs_to_linux_dev_t(xfs_dev_t dev)
-{
- return MKDEV(sysv_major(dev) & 0x1ff, sysv_minor(dev));
-}
-
/*
* Copy inode type and data and attr format specific information from the
* on-disk inode to the in-core inode and fork structures. For fifos, devices,
@@ -792,7 +787,8 @@ xfs_iflush_fork(
case XFS_DINODE_FMT_DEV:
if (iip->ili_fields & XFS_ILOG_DEV) {
ASSERT(whichfork == XFS_DATA_FORK);
- xfs_dinode_put_rdev(dip, sysv_encode_dev(VFS_I(ip)->i_rdev));
+ xfs_dinode_put_rdev(dip,
+ linux_to_xfs_dev_t(VFS_I(ip)->i_rdev));
}
break;
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
index 6282bfc1afa9..99562ec0de56 100644
--- a/fs/xfs/xfs_linux.h
+++ b/fs/xfs/xfs_linux.h
@@ -204,6 +204,16 @@ static inline kgid_t xfs_gid_to_kgid(uint32_t gid)
return make_kgid(&init_user_ns, gid);
}
+static inline dev_t xfs_to_linux_dev_t(xfs_dev_t dev)
+{
+ return MKDEV(sysv_major(dev) & 0x1ff, sysv_minor(dev));
+}
+
+static inline xfs_dev_t linux_to_xfs_dev_t(dev_t dev)
+{
+ return sysv_encode_dev(dev);
+}
+
/*
* Various platform dependent calls that don't fit anywhere else
*/