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| author | Christoph Hellwig <hch@lst.de> | 2017-11-20 08:56:52 -0800 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-11-21 01:44:53 -0800 |
| commit | 274e0a1f4777b9362fc03a34e86358cc36003e48 (patch) | |
| tree | c1cde1a02a916b71b412a0a7543999771efdc92f /fs/xfs/xfs_linux.h | |
| parent | 6818caa4cdc95d9ec5642a4439f8271a80189b48 (diff) | |
| download | linux-274e0a1f4777b9362fc03a34e86358cc36003e48.tar.gz linux-274e0a1f4777b9362fc03a34e86358cc36003e48.tar.bz2 linux-274e0a1f4777b9362fc03a34e86358cc36003e48.zip | |
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/xfs/xfs_linux.h')
| -rw-r--r-- | fs/xfs/xfs_linux.h | 10 |
1 files changed, 10 insertions, 0 deletions
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 */ |