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Diffstat (limited to 'fs/btrfs/ordered-data.c')
-rw-r--r--fs/btrfs/ordered-data.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index e2c176f7c387..d446d89c2c34 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -19,6 +19,7 @@
#include "qgroup.h"
#include "subpage.h"
#include "file.h"
+#include "block-group.h"
static struct kmem_cache *btrfs_ordered_extent_cache;
@@ -711,11 +712,11 @@ static void btrfs_run_ordered_extent_work(struct btrfs_work *work)
}
/*
- * wait for all the ordered extents in a root. This is done when balancing
- * space between drives.
+ * Wait for all the ordered extents in a root. Use @bg as range or do whole
+ * range if it's NULL.
*/
u64 btrfs_wait_ordered_extents(struct btrfs_root *root, u64 nr,
- const u64 range_start, const u64 range_len)
+ const struct btrfs_block_group *bg)
{
struct btrfs_fs_info *fs_info = root->fs_info;
LIST_HEAD(splice);
@@ -723,7 +724,17 @@ u64 btrfs_wait_ordered_extents(struct btrfs_root *root, u64 nr,
LIST_HEAD(works);
struct btrfs_ordered_extent *ordered, *next;
u64 count = 0;
- const u64 range_end = range_start + range_len;
+ u64 range_start, range_len;
+ u64 range_end;
+
+ if (bg) {
+ range_start = bg->start;
+ range_len = bg->length;
+ } else {
+ range_start = 0;
+ range_len = U64_MAX;
+ }
+ range_end = range_start + range_len;
mutex_lock(&root->ordered_extent_mutex);
spin_lock(&root->ordered_extent_lock);
@@ -770,8 +781,12 @@ u64 btrfs_wait_ordered_extents(struct btrfs_root *root, u64 nr,
return count;
}
+/*
+ * Wait for @nr ordered extents that intersect the @bg, or the whole range of
+ * the filesystem if @bg is NULL.
+ */
void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr,
- const u64 range_start, const u64 range_len)
+ const struct btrfs_block_group *bg)
{
struct btrfs_root *root;
LIST_HEAD(splice);
@@ -789,8 +804,7 @@ void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr,
&fs_info->ordered_roots);
spin_unlock(&fs_info->ordered_root_lock);
- done = btrfs_wait_ordered_extents(root, nr,
- range_start, range_len);
+ done = btrfs_wait_ordered_extents(root, nr, bg);
btrfs_put_root(root);
spin_lock(&fs_info->ordered_root_lock);