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-rw-r--r--include/fuse_common.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/fuse_common.h b/include/fuse_common.h
index 2ba3888..d7adab0 100644
--- a/include/fuse_common.h
+++ b/include/fuse_common.h
@@ -134,8 +134,12 @@ struct fuse_file_info {
#define FUSE_CAP_SPLICE_READ (1 << 9)
/**
- * FIXME: This capability is not documented. Please get in touch if
- * you know what it does!
+ * If set, the calls to flock(2) will be emulated using POSIX locks and must
+ * then be handled by the filesystem's setlock() handler.
+ *
+ * If not set, flock(2) calls will be handled by the FUSE kernel module
+ * internally (so any access that does not go through the kernel cannot be taken
+ * into account).
*/
#define FUSE_CAP_FLOCK_LOCKS (1 << 10)