]> git.sesse.net Git - bcachefs-tools-debian/blobdiff - libbcachefs/str_hash.h
Update bcachefs sources to 3ca08ab51ec9 bcachefs: six locks: Simplify optimistic...
[bcachefs-tools-debian] / libbcachefs / str_hash.h
index ae21a8cca1b49d4d9bbfe2b38a330c78b9abc023..89fdb7c21134ebbb6c145a88ed5b1943ab54588a 100644 (file)
 #include <crypto/hash.h>
 #include <crypto/sha2.h>
 
+typedef unsigned __bitwise bch_str_hash_flags_t;
+
+enum bch_str_hash_flags {
+       __BCH_HASH_SET_MUST_CREATE,
+       __BCH_HASH_SET_MUST_REPLACE,
+};
+
+#define BCH_HASH_SET_MUST_CREATE       (__force bch_str_hash_flags_t) BIT(__BCH_HASH_SET_MUST_CREATE)
+#define BCH_HASH_SET_MUST_REPLACE      (__force bch_str_hash_flags_t) BIT(__BCH_HASH_SET_MUST_REPLACE)
+
 static inline enum bch_str_hash_type
 bch2_str_hash_opt_to_type(struct bch_fs *c, enum bch_str_hash_opts opt)
 {
@@ -246,7 +256,7 @@ int bch2_hash_set_snapshot(struct btree_trans *trans,
                           const struct bch_hash_info *info,
                           subvol_inum inum, u32 snapshot,
                           struct bkey_i *insert,
-                          int flags,
+                          bch_str_hash_flags_t str_hash_flags,
                           int update_flags)
 {
        struct btree_iter iter, slot = { NULL };
@@ -269,7 +279,7 @@ int bch2_hash_set_snapshot(struct btree_trans *trans,
                }
 
                if (!slot.path &&
-                   !(flags & BCH_HASH_SET_MUST_REPLACE))
+                   !(str_hash_flags & BCH_HASH_SET_MUST_REPLACE))
                        bch2_trans_copy_iter(&slot, &iter);
 
                if (k.k->type != KEY_TYPE_hash_whiteout)
@@ -287,16 +297,16 @@ found:
        found = true;
 not_found:
 
-       if (!found && (flags & BCH_HASH_SET_MUST_REPLACE)) {
+       if (!found && (str_hash_flags & BCH_HASH_SET_MUST_REPLACE)) {
                ret = -BCH_ERR_ENOENT_str_hash_set_must_replace;
-       } else if (found && (flags & BCH_HASH_SET_MUST_CREATE)) {
+       } else if (found && (str_hash_flags & BCH_HASH_SET_MUST_CREATE)) {
                ret = -EEXIST;
        } else {
                if (!found && slot.path)
                        swap(iter, slot);
 
                insert->k.p = iter.pos;
-               ret = bch2_trans_update(trans, &iter, insert, 0);
+               ret = bch2_trans_update(trans, &iter, insert, update_flags);
        }
 
        goto out;
@@ -307,7 +317,8 @@ int bch2_hash_set(struct btree_trans *trans,
                  const struct bch_hash_desc desc,
                  const struct bch_hash_info *info,
                  subvol_inum inum,
-                 struct bkey_i *insert, int flags)
+                 struct bkey_i *insert,
+                 bch_str_hash_flags_t str_hash_flags)
 {
        u32 snapshot;
        int ret;
@@ -319,7 +330,7 @@ int bch2_hash_set(struct btree_trans *trans,
        insert->k.p.inode = inum.inum;
 
        return bch2_hash_set_snapshot(trans, desc, info, inum,
-                                     snapshot, insert, flags, 0);
+                                     snapshot, insert, str_hash_flags, 0);
 }
 
 static __always_inline