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| author | Karel Zak | 2010-04-21 14:24:52 +0200 |
|---|---|---|
| committer | Karel Zak | 2010-04-21 15:49:59 +0200 |
| commit | abc67e06783aa1326b99f9ddee820cc495466e6c (patch) | |
| tree | 58af5b38f418912cced901d99eae937c184404f8 /shlibs/blkid/src/superblocks/drbd.c | |
| parent | libblkid: add partial support for superblock binary API (diff) | |
| download | kernel-qcow2-util-linux-abc67e06783aa1326b99f9ddee820cc495466e6c.tar.gz kernel-qcow2-util-linux-abc67e06783aa1326b99f9ddee820cc495466e6c.tar.xz kernel-qcow2-util-linux-abc67e06783aa1326b99f9ddee820cc495466e6c.zip | |
liblkid: export magic strings from raids
The library provides detected magic strings by SBMAGIC= and offsets of
the magic strings by SBMAGIC_OFFSET= variables. This patch allows to
support this feature for RAIDs and filesystems where the magic string
is not on fixed position.
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'shlibs/blkid/src/superblocks/drbd.c')
| -rw-r--r-- | shlibs/blkid/src/superblocks/drbd.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/shlibs/blkid/src/superblocks/drbd.c b/shlibs/blkid/src/superblocks/drbd.c index 5adcac7b9..3490948de 100644 --- a/shlibs/blkid/src/superblocks/drbd.c +++ b/shlibs/blkid/src/superblocks/drbd.c @@ -14,6 +14,7 @@ #include <errno.h> #include <ctype.h> #include <inttypes.h> +#include <stddef.h> #include "superblocks.h" @@ -75,9 +76,9 @@ static int probe_drbd(blkid_probe pr, const struct blkid_idmag *mag) return -1; md = (struct md_on_disk_08 *) - blkid_probe_get_buffer(pr, - off, - sizeof(struct md_on_disk_08)); + blkid_probe_get_buffer(pr, + off, + sizeof(struct md_on_disk_08)); if (!md) return -1; @@ -94,6 +95,12 @@ static int probe_drbd(blkid_probe pr, const struct blkid_idmag *mag) blkid_probe_set_version(pr, "v08"); + if (blkid_probe_set_magic(pr, + off + offsetof(struct md_on_disk_08, magic), + sizeof(md->magic), + (unsigned char *) &md->magic)) + return -1; + return 0; } |