shithub: lwext4

Download patch

ref: a4db81436916151e5a820b5848e420b5ac6f1295
parent: 23644a4048b147390df8bef84b1e9cf4dbea2b8e
author: ngkaho1234 <ngkaho1234@gmail.com>
date: Sun Nov 8 02:24:42 EST 2015 

Use ext4_block_get_noread when read operation is not required


--- a/lwext4/ext4_extent_full.c
+++ b/lwext4/ext4_extent_full.c
@@ -627,7 +627,7 @@
 		goto cleanup;
 
 	/*  For write access.# */
-	ret = ext4_block_get(inode_ref->fs->bdev, &bh, newblock);
+	ret = ext4_block_get_noread(inode_ref->fs->bdev, &bh, newblock);
 	if (ret != EOK)
 		goto cleanup;
 
@@ -1129,7 +1129,7 @@
 		return err;
 
 	/* # */
-	err = ext4_block_get(inode_ref->fs->bdev, &bh, newblock);
+	err = ext4_block_get_noread(inode_ref->fs->bdev, &bh, newblock);
 	if (err != EOK) {
 		ext4_ext_free_blocks(inode_ref, newblock, 1, 0);
 		return err;
@@ -1723,7 +1723,7 @@
 	uint32_t block_size = ext4_sb_get_block_size(&inode_ref->fs->sb);
 	for (i = 0; i < blocks_count; i++) {
 		struct ext4_block bh = EXT4_BLOCK_ZERO();
-		err = ext4_block_get(inode_ref->fs->bdev, &bh, block + i);
+		err = ext4_block_get_noread(inode_ref->fs->bdev, &bh, block + i);
 		if (err != EOK)
 			break;