path: root/fs/btrfs/extent_map.h
diff options
authorJosef Bacik <jbacik@fusionio.com>2012-12-03 10:58:15 -0500
committerChris Mason <chris.mason@fusionio.com>2012-12-16 20:46:23 -0500
commitb11e234d21e73df94099e473a080bca502b9a496 (patch)
treeeb931368e5b4111b8eb95fff5921d78220c590ff /fs/btrfs/extent_map.h
parentb493968096944a11422c4d80fb87af537ca1cac7 (diff)
Btrfs: do not mark ems as prealloc if we are writing to them
We are going to use EM's to log extents in the future, so we need to not mark them as prealloc if they aren't actually prealloc extents. Instead mark them with FILLING so we know to ammend mod_start/mod_len and that way we don't confuse the extent logging code. Thanks, Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/extent_map.h')
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 99a0dcb5ba2..922943ce29e 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -14,6 +14,7 @@
#define EXTENT_FLAG_VACANCY 2 /* no file extent item found */
#define EXTENT_FLAG_PREALLOC 3 /* pre-allocated extent */
#define EXTENT_FLAG_LOGGING 4 /* Logging this extent */
+#define EXTENT_FLAG_FILLING 5 /* Filling in a preallocated extent */
struct extent_map {
struct rb_node rb_node;