Re: 2.4 bug: fifo-write causes diskwrites to read-only fs !

[Andrew Morton (akpm@digeo.com)]

"Stephen C. Tweedie" <sct@xxxxxxxxxx> wrote:
>
> It's pure cut-and-paste from the update_atime immediately above it.  But
> sure, we can clean them both up while we're at it if you want.

2.5 seems to have gained a handy library function.

diff -puN fs/pipe.c~pipe-rofs-fix fs/pipe.c
--- 25/fs/pipe.c~pipe-rofs-fix	2003-05-30 09:33:29.000000000 -0700
+++ 25-akpm/fs/pipe.c	2003-05-30 09:34:08.000000000 -0700
@@ -208,10 +208,8 @@ pipe_write(struct file *filp, const char
 		wake_up_interruptible(PIPE_WAIT(*inode));
 		kill_fasync(PIPE_FASYNC_READERS(*inode), SIGIO, POLL_IN);
 	}
-	if (ret > 0) {
-		inode->i_ctime = inode->i_mtime = CURRENT_TIME;
-		mark_inode_dirty(inode);
-	}
+	if (ret > 0)
+		inode_update_time(inode, 1);	/* mtime and ctime */
 	return ret;
 }
 

_

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