Changeset aca1777 in mainline for uspace/lib/device/src/vol.c

Timestamp:

2025-05-08T17:12:05Z (2 months ago)

Author:

Miroslav Cimerman <mc@…>

Children:

2f21cd4

Parents:

1cfce3f (diff), 61f28c4 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge upstream into helenraid

File:

• uspace/lib/device/src/vol.c (modified) (1 diff)

uspace/lib/device/src/vol.c

@@ -608 +608 @@
 }
 
+/** Find volume by current mount point.
+ *
+ * @param vol Volume service
+ * @param mp Mount point
+ * @param rid Place to store partition service ID
+ * @return EOK on success or an error code
+ */
+errno_t vol_part_by_mp(vol_t *vol, const char *mp, service_id_t *rid)
+{
+        vol_part_info_t vinfo;
+        service_id_t *part_ids = NULL;
+        char *canon_mp_buf = NULL;
+        char *canon_mp;
+        size_t nparts;
+        size_t i;
+        errno_t rc;
+
+        canon_mp_buf = str_dup(mp);
+        if (canon_mp_buf == NULL) {
+                rc = ENOMEM;
+                goto out;
+        }
+
+        canon_mp = vfs_absolutize(canon_mp_buf, NULL);
+        if (canon_mp == NULL) {
+                rc = EINVAL;
+                goto out;
+        }
+
+        rc = vol_get_parts(vol, &part_ids, &nparts);
+        if (rc != EOK)
+                goto out;
+
+        for (i = 0; i < nparts; i++) {
+                rc = vol_part_info(vol, part_ids[i], &vinfo);
+                if (rc != EOK) {
+                        rc = EIO;
+                        goto out;
+                }
+
+                if (str_cmp(vinfo.cur_mp, canon_mp) == 0) {
+                        *rid = part_ids[i];
+                        rc = EOK;
+                        goto out;
+                }
+        }
+
+        rc = ENOENT;
+out:
+        free(part_ids);
+        free(canon_mp_buf);
+        return rc;
+}
+
 /** @}
  */