[PATCH 05/18] xfs: xfs_bmap_finish_one should map unwritten extents properly
From: Darrick J. Wong <hidden>
Date: 2020-04-29 02:46:51
Also in:
linux-fsdevel, linux-xfs
Subsystem:
filesystems (vfs and infrastructure), the rest, xfs filesystem · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds, Carlos Maiolino
From: Darrick J. Wong <redacted> The deferred bmap work state and the log item can transmit unwritten state, so the XFS_BMAP_MAP handler must map in extents with that unwritten state. Signed-off-by: Darrick J. Wong <redacted> --- fs/xfs/libxfs/xfs_bmap.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 2752df4f4e69..81e03461312b 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c@@ -6329,6 +6329,8 @@ xfs_bmap_finish_one( switch (type) { case XFS_BMAP_MAP: + if (state == XFS_EXT_UNWRITTEN) + flags |= XFS_BMAPI_PREALLOC; error = xfs_bmapi_remap(tp, ip, startoff, *blockcount, startblock, flags); *blockcount = 0;