X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fsync.c;h=2967562d416fb52e54a1af5840d0dc63c0d25cfb;hb=8266602033d6adc6d10cb8811c1fd694767909b0;hp=228e17b5e9ee911c2c2f58b4090e33b96954ff23;hpb=886c35fbcf6fb2eee15687efc2d64d99b6ad9a4a;p=linux-2.6

diff --git a/fs/sync.c b/fs/sync.c
index 228e17b5e9..2967562d41 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -139,7 +139,8 @@ asmlinkage long sys_fdatasync(unsigned int fd)
  * before performing the write.
  *
  * SYNC_FILE_RANGE_WRITE: initiate writeout of all those dirty pages in the
- * range which are not presently under writeback.
+ * range which are not presently under writeback. Note that this may block for
+ * significant periods due to exhaustion of disk request structures.
  *
  * SYNC_FILE_RANGE_WAIT_AFTER: wait upon writeout of all pages in the range
  * after performing the write.