Changes in uspace/lib/block/libblock.c [c4aa9cf:c7bbf029] in mainline

File:

• uspace/lib/block/libblock.c (modified) (2 diffs)

uspace/lib/block/libblock.c

@@ -2 +2 @@
  * Copyright (c) 2008 Jakub Jermar
  * Copyright (c) 2008 Martin Decky
- * Copyright (c) 2011 Martin Sucha
  * All rights reserved.
  *
@@ -828 +827 @@
 }
 
-/** Read bytes directly from the device (bypass cache)
- * 
- * @param devmap_handle Device handle of the block device.
- * @param abs_offset    Absolute offset in bytes where to start reading
- * @param bytes                 Number of bytes to read
- * @param data                  Buffer that receives the data
- * 
- * @return              EOK on success or negative error code on failure.
- */
-int block_read_bytes_direct(devmap_handle_t devmap_handle, aoff64_t abs_offset,
-    size_t bytes, void *data)
-{
-        int rc;
-        size_t phys_block_size;
-        size_t buf_size;
-        void *buffer;
-        aoff64_t first_block;
-        aoff64_t last_block;
-        size_t blocks;
-        size_t offset;
-        
-        rc = block_get_bsize(devmap_handle, &phys_block_size);
-        if (rc != EOK) {
-                return rc;
-        }
-        
-        /* calculate data position and required space */
-        first_block = abs_offset / phys_block_size;
-        offset = abs_offset % phys_block_size;
-        last_block = (abs_offset + bytes - 1) / phys_block_size;
-        blocks = last_block - first_block + 1;
-        buf_size = blocks * phys_block_size;
-        
-        /* read the data into memory */
-        buffer = malloc(buf_size);
-        if (buffer == NULL) {
-                return ENOMEM;
-        }
-        
-        rc = block_read_direct(devmap_handle, first_block, blocks, buffer);
-        if (rc != EOK) {
-                free(buffer);
-                return rc;
-        }
-        
-        /* copy the data from the buffer */
-        memcpy(data, buffer + offset, bytes);
-        free(buffer);
-        
-        return EOK;
-}
-
 /** Read blocks from block device.
  *