bcachefs: bch2_inum_opts_get()

New helper for new rebalance code

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/inode.c b/fs/bcachefs/inode.c
index a3921c397ea254896dc19bd44e2f1cd715da34f1..23fcd442c5145aca5fdb754b78bff2d2c67044a1 100644 (file)
--- a/fs/bcachefs/inode.c
+++ b/fs/bcachefs/inode.c
@@ -981,6 +981,18 @@ void bch2_inode_opts_get(struct bch_io_opts *opts, struct bch_fs *c,
                opts->compression = opts->background_compression = opts->data_checksum = opts->erasure_code = 0;
 }
 
+int bch2_inum_opts_get(struct btree_trans *trans, subvol_inum inum, struct bch_io_opts *opts)
+{
+       struct bch_inode_unpacked inode;
+       int ret = lockrestart_do(trans, bch2_inode_find_by_inum_trans(trans, inum, &inode));
+
+       if (ret)
+               return ret;
+
+       bch2_inode_opts_get(opts, trans->c, &inode);
+       return 0;
+}
+
 int bch2_inode_rm_snapshot(struct btree_trans *trans, u64 inum, u32 snapshot)
 {
        struct bch_fs *c = trans->c;

diff --git a/fs/bcachefs/inode.h b/fs/bcachefs/inode.h
index a7464e1b696046a074f10f2a72cc38163718f041..2781e328158375322dad3b6d7be0858960f0471a 100644 (file)
--- a/fs/bcachefs/inode.h
+++ b/fs/bcachefs/inode.h
@@ -200,6 +200,7 @@ void bch2_inode_nlink_dec(struct btree_trans *, struct bch_inode_unpacked *);
 struct bch_opts bch2_inode_opts_to_opts(struct bch_inode_unpacked *);
 void bch2_inode_opts_get(struct bch_io_opts *, struct bch_fs *,
                         struct bch_inode_unpacked *);
+int bch2_inum_opts_get(struct btree_trans*, subvol_inum, struct bch_io_opts *);
 
 int bch2_inode_rm_snapshot(struct btree_trans *, u64, u32);
 int bch2_delete_dead_inodes(struct bch_fs *);