diff options
Diffstat (limited to 'libblkid/xfs.c')
| -rw-r--r-- | libblkid/xfs.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/libblkid/xfs.c b/libblkid/xfs.c new file mode 100644 index 000000000..1399fe13a --- /dev/null +++ b/libblkid/xfs.c @@ -0,0 +1,63 @@ +/* + * Copyright (C) 1999 by Andries Brouwer + * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o + * Copyright (C) 2001 by Andreas Dilger + * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org> + * Copyright (C) 2008 Karel Zak <kzak@redhat.com> + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <ctype.h> +#include <stdint.h> + +#include "superblocks.h" + +struct xfs_super_block { + unsigned char xs_magic[4]; + uint32_t xs_blocksize; + uint64_t xs_dblocks; + uint64_t xs_rblocks; + uint32_t xs_dummy1[2]; + unsigned char xs_uuid[16]; + uint32_t xs_dummy2[15]; + char xs_fname[12]; + uint32_t xs_dummy3[2]; + uint64_t xs_icount; + uint64_t xs_ifree; + uint64_t xs_fdblocks; +} __attribute__((packed)); + +static int probe_xfs(blkid_probe pr, const struct blkid_idmag *mag) +{ + struct xfs_super_block *xs; + + xs = blkid_probe_get_sb(pr, mag, struct xfs_super_block); + if (!xs) + return -1; + + if (strlen(xs->xs_fname)) + blkid_probe_set_label(pr, (unsigned char *) xs->xs_fname, + sizeof(xs->xs_fname)); + blkid_probe_set_uuid(pr, xs->xs_uuid); + return 0; +} + +const struct blkid_idinfo xfs_idinfo = +{ + .name = "xfs", + .usage = BLKID_USAGE_FILESYSTEM, + .probefunc = probe_xfs, + .magics = + { + { .magic = "XFSB", .len = 4 }, + { NULL } + } +}; + |