Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

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

Browse source 
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>
This commit is contained in:
Russell Cattelan 2005-05-06 06:42:22 -07:00 committed by Christoph Hellwig
parent 2512809255
commit 68d1498c3a
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
fs/xfs/xfs_iomap.c
View file

@ -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;