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-rw-r--r--lib/portability.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/portability.h b/lib/portability.h
index 76790f4d..acc32fd4 100644
--- a/lib/portability.h
+++ b/lib/portability.h
@@ -359,3 +359,5 @@ int dev_major(int dev);
int dev_makedev(int major, int minor);
char *fs_type_name(struct statfs *statfs);
+
+int get_block_device_size(int fd, unsigned long long *size);