Commit 68d1498c authored May 06, 2005 by Russell Cattelan Committed by Christoph Hellwig May 06, 2005

[XFS] Fix a bug in xfs_iomap for extent handling of write cases



This may be the cause of several open PV's of incorrect
delay flags being set and then tripping asserts.
Do not return a delay alloc extent when the caller is asking to do a write.

SGI Modid: xfs-linux:xfs-kern:189616a

Signed-off-by: Russell Cattelan <cattelan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@sgi.com>

parent 25128092

fs/xfs/xfs_iomap.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -278,7 +278,9 @@ xfs_iomap(
		switch (flags & (BMAPI_WRITE\|BMAPI_ALLOCATE\|BMAPI_UNWRITTEN)) {
		case BMAPI_WRITE:
		/* If we found an extent, return it */
		if (nimaps && (imap.br_startblock != HOLESTARTBLOCK)) {
		if (nimaps &&
		(imap.br_startblock != HOLESTARTBLOCK) &&
		(imap.br_startblock != DELAYSTARTBLOCK)) {
		xfs_iomap_map_trace(XFS_IOMAP_WRITE_MAP, io,
		offset, count, iomapp, &imap, flags);
		break;