Since backref resolution is CPU-intensive, the cond_resched calls should help alleviate soft lockup occurences.
Signed-off-by: Edmund Nadolski <[email protected]> Signed-off-by: Jeff Mahoney <[email protected]> --- fs/btrfs/backref.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 54180f4..3cd4f05 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -656,6 +656,7 @@ static int resolve_indirect_refs(struct btrfs_fs_info *fs_info, prelim_ref_insert(fs_info, &preftrees->direct, ref); ulist_reinit(parents); + cond_resched(); } out: ulist_free(parents); @@ -698,6 +699,7 @@ static int add_missing_keys(struct btrfs_fs_info *fs_info, btrfs_tree_read_unlock(eb); free_extent_buffer(eb); prelim_ref_insert(fs_info, &preftrees->indirect, ref); + cond_resched(); } return 0; } @@ -1239,6 +1241,7 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, } eie = NULL; } + cond_resched(); } out: -- 2.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
