[XFS] Flush and invalidate dirty pages at the start of a direct read also,

else we can hit a delalloc-extents-via-direct-io BUG.

SGI-PV: 949916
SGI-Modid: xfs-linux-melb:xfs-kern:25483a

Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Nathan Scott 2006-03-17 17:26:41 +11:00
parent ce9d37c257
commit 9cea236492

View file

@ -270,6 +270,10 @@ xfs_read(
} }
} }
if (unlikely((ioflags & IO_ISDIRECT) && VN_CACHED(vp)))
VOP_FLUSHINVAL_PAGES(vp, ctooff(offtoct(*offset)),
-1, FI_REMAPF_LOCKED);
xfs_rw_enter_trace(XFS_READ_ENTER, &ip->i_iocore, xfs_rw_enter_trace(XFS_READ_ENTER, &ip->i_iocore,
(void *)iovp, segs, *offset, ioflags); (void *)iovp, segs, *offset, ioflags);
ret = __generic_file_aio_read(iocb, iovp, segs, offset); ret = __generic_file_aio_read(iocb, iovp, segs, offset);