ext4: mext_insert_extents should update extent block checksum

Submitted by Darrick J. Wong on April 19, 2013, 5:50 a.m.

Details

Message ID 20130419055012.GB5617@blackbox.djwong.org
State Accepted, archived
Headers show

Commit Message

Darrick J. Wong April 19, 2013, 5:50 a.m.
When we alter any part of the extent tree that is not part of the inode during
on online defrag, we must update the extent header's checksum before dirtying
the block.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 fs/ext4/ext4_extents.h |    5 +++++
 fs/ext4/extents.c      |    7 ++-----
 fs/ext4/move_extent.c  |   13 +------------
 3 files changed, 8 insertions(+), 17 deletions(-)

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Comments

Theodore Ts'o April 19, 2013, 6:20 p.m.
On Thu, Apr 18, 2013 at 10:50:12PM -0700, Darrick J. Wong wrote:
> When we alter any part of the extent tree that is not part of the inode during
> on online defrag, we must update the extent header's checksum before dirtying
> the block.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

Thanks, applied.

					- Ted
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Patch hide | download patch | download mbox

diff --git a/fs/ext4/ext4_extents.h b/fs/ext4/ext4_extents.h
index 8643ff5..51bc821 100644
--- a/fs/ext4/ext4_extents.h
+++ b/fs/ext4/ext4_extents.h
@@ -270,5 +270,10 @@  static inline void ext4_idx_store_pblock(struct ext4_extent_idx *ix,
 				     0xffff);
 }
 
+#define ext4_ext_dirty(handle, inode, path) \
+		__ext4_ext_dirty(__func__, __LINE__, (handle), (inode), (path))
+int __ext4_ext_dirty(const char *where, unsigned int line, handle_t *handle,
+		     struct inode *inode, struct ext4_ext_path *path);
+
 #endif /* _EXT4_EXTENTS */
 
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 9c6d06d..cd43b4c 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -157,11 +157,8 @@  static int ext4_ext_get_access(handle_t *handle, struct inode *inode,
  *  - ENOMEM
  *  - EIO
  */
-#define ext4_ext_dirty(handle, inode, path) \
-		__ext4_ext_dirty(__func__, __LINE__, (handle), (inode), (path))
-static int __ext4_ext_dirty(const char *where, unsigned int line,
-			    handle_t *handle, struct inode *inode,
-			    struct ext4_ext_path *path)
+int __ext4_ext_dirty(const char *where, unsigned int line, handle_t *handle,
+		     struct inode *inode, struct ext4_ext_path *path)
 {
 	int err;
 	if (path->p_bh) {
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 33e1c08..9a20c91 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -407,18 +407,7 @@  mext_insert_extents(handle_t *handle, struct inode *orig_inode,
 		mext_insert_inside_block(o_start, o_end, start_ext, new_ext,
 						end_ext, eh, range_to_move);
 
-	if (depth) {
-		ret = ext4_handle_dirty_metadata(handle, orig_inode,
-						 orig_path->p_bh);
-		if (ret)
-			return ret;
-	} else {
-		ret = ext4_mark_inode_dirty(handle, orig_inode);
-		if (ret < 0)
-			return ret;
-	}
-
-	return 0;
+	return ext4_ext_dirty(handle, orig_inode, orig_path);
 }
 
 /**