COW allocated new extents, which are new part of the inode, So we need to update the metadata.
Signed-off-by: Shiyang Ruan <[email protected]> --- fs/xfs/xfs_iomap.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index a45b4e5a1d87..5c05c11e0cb2 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -1146,6 +1146,9 @@ xfs_file_iomap_end( if ((flags & IOMAP_WRITE) && iomap->type == IOMAP_DELALLOC) return xfs_file_iomap_end_delalloc(XFS_I(inode), offset, length, written, iomap); + /* update the extent list after a COW operation */ + if (iomap->flags & IOMAP_F_SHARED && iomap->src_addr) + return xfs_reflink_end_cow(XFS_I(inode), offset, length); return 0; } -- 2.17.0 _______________________________________________ Linux-nvdimm mailing list [email protected] https://lists.01.org/mailman/listinfo/linux-nvdimm
