diff options
| author | Filipe Manana <fdmanana@suse.com> | 2014-07-02 20:07:54 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-05 16:34:16 -0700 |
| commit | 8a6de3b6c9dd8b1fb52b40e4aa4d6c8bd9ce0a26 (patch) | |
| tree | 67b542670ebb5109628105e7751e64bc0ef0e48a /fs/jbd2/commit.c | |
| parent | dcc48de73f9a8d7c85f27579ba9cc11000910cd7 (diff) | |
Btrfs: read lock extent buffer while walking backrefs
commit 6f7ff6d7832c6be13e8c95598884dbc40ad69fb7 upstream.
Before processing the extent buffer, acquire a read lock on it, so
that we're safe against concurrent updates on the extent buffer.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/jbd2/commit.c')
0 files changed, 0 insertions, 0 deletions