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qcow2: when dissecting qcow2, use btrfs clone ioctls for reflinking blocks to target
[elogind.git]
/
src
/
shared
/
util.h
diff --git
a/src/shared/util.h
b/src/shared/util.h
index 8a3e95a17aa11d55ed13e26e0d110264dde341c0..2e662c9d2d6b1fd18a8f645a6c709322a01e8b6e 100644
(file)
--- a/
src/shared/util.h
+++ b/
src/shared/util.h
@@
-1062,3
+1062,5
@@
void release_lock_file(LockFile *f);
#define LOCK_FILE_INIT { .fd = -1, .path = NULL }
#define RLIMIT_MAKE_CONST(lim) ((struct rlimit) { lim, lim })
+
+ssize_t sparse_write(int fd, const void *p, size_t sz, size_t run_length);