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| author | Michael Olbrich <m.olbrich@pengutronix.de> | 2022-02-07 10:49:47 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-02-08 09:09:59 +0100 |
| commit | 62295dfdb43eb421b7c8b119994df12b4e4879ef (patch) | |
| tree | 017a33055811bc27bd1284f32cb45690d429034f /fs/devfs-core.c | |
| parent | 240bf4f87471f4d15e97731fbe120f92ddd4ad16 (diff) | |
| download | barebox-62295dfdb43eb421b7c8b119994df12b4e4879ef.tar.gz barebox-62295dfdb43eb421b7c8b119994df12b4e4879ef.tar.xz | |
cdev: add diskuuid support
This allows identifying disks by UUID. For disks with GPT the disk GUID is
used. For DOS partition tables the NT signature ist used, similar to how
the partuuid is generated.
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Link: https://lore.barebox.org/20220124100458.2924679-3-m.olbrich@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.barebox.org/20220207094953.949868-2-s.hauer@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'fs/devfs-core.c')
| -rw-r--r-- | fs/devfs-core.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/devfs-core.c b/fs/devfs-core.c index 82e4811b38..2475ab959a 100644 --- a/fs/devfs-core.c +++ b/fs/devfs-core.c @@ -107,6 +107,20 @@ struct cdev *cdev_by_partuuid(const char *partuuid) return NULL; } +struct cdev *cdev_by_diskuuid(const char *diskuuid) +{ + struct cdev *cdev; + + if (!diskuuid) + return NULL; + + list_for_each_entry(cdev, &cdev_list, list) { + if (!cdev->master && !strcasecmp(cdev->uuid, diskuuid)) + return cdev; + } + return NULL; +} + /** * device_find_partition - find a partition belonging to a physical device * |