svn commit: r221261 - in head/sys: fs/ext2fs ufs/ffs

Konstantin Belousov kib at FreeBSD.org
Sat Apr 30 13:49:03 UTC 2011


Author: kib
Date: Sat Apr 30 13:49:03 2011
New Revision: 221261
URL: http://svn.freebsd.org/changeset/base/221261

Log:
  Clarify the comment.
  
  MFC after:	1 week

Modified:
  head/sys/fs/ext2fs/ext2_readwrite.c
  head/sys/ufs/ffs/ffs_vnops.c

Modified: head/sys/fs/ext2fs/ext2_readwrite.c
==============================================================================
--- head/sys/fs/ext2fs/ext2_readwrite.c	Sat Apr 30 12:39:47 2011	(r221260)
+++ head/sys/fs/ext2fs/ext2_readwrite.c	Sat Apr 30 13:49:03 2011	(r221261)
@@ -166,7 +166,8 @@ READ(ap)
 			/*
 			 * If it's VMIO or direct I/O, then we don't
 			 * need the buf, mark it available for
-			 * freeing. If it's VMIO, the VM has the data.
+			 * freeing. If it's non-direct VMIO, the VM has
+			 * the data.
 			 */
 			bp->b_flags |= B_RELBUF;
 			brelse(bp);

Modified: head/sys/ufs/ffs/ffs_vnops.c
==============================================================================
--- head/sys/ufs/ffs/ffs_vnops.c	Sat Apr 30 12:39:47 2011	(r221260)
+++ head/sys/ufs/ffs/ffs_vnops.c	Sat Apr 30 13:49:03 2011	(r221261)
@@ -591,7 +591,8 @@ ffs_read(ap)
 			/*
 			 * If there are no dependencies, and it's VMIO,
 			 * then we don't need the buf, mark it available
-			 * for freeing. The VM has the data.
+			 * for freeing.  For non-direct VMIO reads, he VM
+			 * has the data.
 			 */
 			bp->b_flags |= B_RELBUF;
 			brelse(bp);
@@ -985,7 +986,8 @@ ffs_extread(struct vnode *vp, struct uio
 			/*
 			 * If there are no dependencies, and it's VMIO,
 			 * then we don't need the buf, mark it available
-			 * for freeing. The VM has the data.
+			 * for freeing.  For non-direct VMIO reads, The VM
+			 * has the data.
 			 */
 			bp->b_flags |= B_RELBUF;
 			brelse(bp);


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