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btrfs-progs: Document logic of btrfs_read_dev_super
[platform/upstream/btrfs-progs.git]
/
cmds-fi-usage.c
diff --git
a/cmds-fi-usage.c
b/cmds-fi-usage.c
index
83d0c58
..
0b0e47f
100644
(file)
--- a/
cmds-fi-usage.c
+++ b/
cmds-fi-usage.c
@@
-508,7
+508,7
@@
static int cmp_device_info(const void *a, const void *b)
((struct device_info *)b)->path);
}
-int dev_to_fsid(const char *dev,
__
u8 *fsid)
+int dev_to_fsid(const char *dev, u8 *fsid)
{
struct btrfs_super_block *disk_super;
char buf[BTRFS_SUPER_INFO_SIZE];