Commit ee53a891 authored Jan 06, 2009 by Nick Piggin Committed by Linus Torvalds Jan 06, 2009

mm: do_sync_mapping_range integrity fix



Chris Mason notices do_sync_mapping_range didn't actually ask for data
integrity writeout.  Unfortunately, it is advertised as being usable for
data integrity operations.

This is a data integrity bug.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 82fd1a9a

fs/sync.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -295,7 +295,7 @@ int do_sync_mapping_range(struct address_space *mapping, loff_t offset,

		if (flags & SYNC_FILE_RANGE_WRITE) {
		ret = __filemap_fdatawrite_range(mapping, offset, endbyte,
		WB_SYNC_NONE);
		WB_SYNC_ALL);
		if (ret < 0)
		goto out;
		}