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-rw-r--r--man2/sync_file_range.22
1 files changed, 2 insertions, 0 deletions
diff --git a/man2/sync_file_range.2 b/man2/sync_file_range.2
index 112658ac94..9bae126b64 100644
--- a/man2/sync_file_range.2
+++ b/man2/sync_file_range.2
@@ -70,6 +70,8 @@ before performing any write.
.B SYNC_FILE_RANGE_WRITE
Initiate write-out of all dirty pages in the specified
range which are not presently submitted write-out.
+Note that even this may may block if you attempt to
+write more than request queue size.
.TP
.B SYNC_FILE_RANGE_WAIT_AFTER
Wait upon write-out of all pages in the range