So far we did not return BH_New buffers from ext4_dax_get_block()
because that would trigger racy zeroing in DAX code. This zeroing is
gone these days so we can remove the workaround.
Signed-off-by: Jan Kara <j...@suse.cz>
---
fs/ext4/inode.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 87150122d361..7ccd6fd7819d 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3298,11 +3298,6 @@ int ext4_dax_get_block(struct inode *inode, sector_t
iblock,
if (ret < 0)
return ret;
}
- /*
- * At least for now we have to clear BH_New so that DAX code
- * doesn't attempt to zero blocks again in a racy way.
- */
- clear_buffer_new(bh_result);
return 0;
}
#else
--
2.6.6
_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm
