ref: 8f81cab8ae1a5d77fefb69698e92fa0a1dd1cdb4
parent: 890f937d5373c9b76bd954253c6360f9f06bfdfb
author: ngkaho1234 <[email protected]>
date: Sat Nov 14 17:46:30 EST 2015
ext4_journal: add block_get(_noread)/block_set.
--- a/lwext4/ext4_journal.c
+++ b/lwext4/ext4_journal.c
@@ -35,9 +35,9 @@
return rc;
}
-int jbd_bmap(struct jbd_fs *jbd_fs,
- ext4_lblk_t iblock,
- ext4_fsblk_t *fblock)
+int jbd_inode_bmap(struct jbd_fs *jbd_fs,
+ ext4_lblk_t iblock,
+ ext4_fsblk_t *fblock)
{int rc = ext4_fs_get_inode_data_block_index(
&jbd_fs->inode_ref,
@@ -45,4 +45,45 @@
fblock,
false);
return rc;
+}
+
+int jbd_block_get(struct jbd_fs *jbd_fs,
+ struct ext4_block *block,
+ ext4_fsblk_t fblock)
+{+ /* TODO: journal device. */
+ int rc;
+ ext4_lblk_t iblock = (ext4_lblk_t)fblock;
+ rc = jbd_inode_bmap(jbd_fs, iblock,
+ &fblock);
+ if (rc != EOK)
+ return rc;
+
+ struct ext4_blockdev *bdev = jbd_fs->inode_ref.fs->bdev;
+ rc = ext4_block_get(bdev, block, fblock);
+ return rc;
+}
+
+int jbd_block_get_noread(struct jbd_fs *jbd_fs,
+ struct ext4_block *block,
+ ext4_fsblk_t fblock)
+{+ /* TODO: journal device. */
+ int rc;
+ ext4_lblk_t iblock = (ext4_lblk_t)fblock;
+ rc = jbd_inode_bmap(jbd_fs, iblock,
+ &fblock);
+ if (rc != EOK)
+ return rc;
+
+ struct ext4_blockdev *bdev = jbd_fs->inode_ref.fs->bdev;
+ rc = ext4_block_get_noread(bdev, block, fblock);
+ return rc;
+}
+
+int jbd_block_set(struct jbd_fs *jbd_fs,
+ struct ext4_block *block)
+{+ return ext4_block_set(jbd_fs->inode_ref.fs->bdev,
+ block);
}