summaryrefslogtreecommitdiff
path: root/fs/btrfs/file.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r--fs/btrfs/file.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 36a81368ed46..a0179cc62913 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -49,6 +49,15 @@ struct inode_defrag {
/* root objectid */
u64 root;
+
+ /*
+ * The extent size threshold for autodefrag.
+ *
+ * This value is different for compressed/non-compressed extents,
+ * thus needs to be passed from higher layer.
+ * (aka, inode_should_defrag())
+ */
+ u32 extent_thresh;
};
static int __compare_inode_defrag(struct inode_defrag *defrag1,
@@ -101,6 +110,8 @@ static int __btrfs_add_inode_defrag(struct btrfs_inode *inode,
*/
if (defrag->transid < entry->transid)
entry->transid = defrag->transid;
+ entry->extent_thresh = min(defrag->extent_thresh,
+ entry->extent_thresh);
return -EEXIST;
}
}
@@ -126,7 +137,7 @@ static inline int __need_auto_defrag(struct btrfs_fs_info *fs_info)
* enabled
*/
int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
- struct btrfs_inode *inode)
+ struct btrfs_inode *inode, u32 extent_thresh)
{
struct btrfs_root *root = inode->root;
struct btrfs_fs_info *fs_info = root->fs_info;
@@ -152,6 +163,7 @@ int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
defrag->ino = btrfs_ino(inode);
defrag->transid = transid;
defrag->root = root->root_key.objectid;
+ defrag->extent_thresh = extent_thresh;
spin_lock(&fs_info->defrag_inodes_lock);
if (!test_bit(BTRFS_INODE_IN_DEFRAG, &inode->runtime_flags)) {
@@ -275,6 +287,7 @@ again:
memset(&range, 0, sizeof(range));
range.len = (u64)-1;
range.start = cur;
+ range.extent_thresh = defrag->extent_thresh;
sb_start_write(fs_info->sb);
ret = btrfs_defrag_file(inode, NULL, &range, defrag->transid,