#define BMAP_RET_UNINIT 0x0001
/*
+ * Flags for ext2fs_read_inode2
+ */
+#define READ_INODE_NOCSUM 0x0001
+
+/*
+ * Flags for ext2fs_write_inode2
+ */
+#define WRITE_INODE_NOCSUM 0x0001
+
+/*
* Flags for imager.c functions
*/
#define IMAGER_FLAG_INODEMAP 1
extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode * inode,
int bufsize);
-extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino,
+extern errcode_t ext2fs_read_inode(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode * inode);
+extern errcode_t ext2fs_read_inode2(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode * inode,
+ int bufsize, int flags);
extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode * inode,
int bufsize);
extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode * inode);
+extern errcode_t ext2fs_write_inode2(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode * inode,
+ int bufsize, int flags);
extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode * inode);
extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks);
/*
* Functions to read and write a single inode.
*/
-errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino,
- struct ext2_inode * inode, int bufsize)
+errcode_t ext2fs_read_inode2(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode * inode, int bufsize,
+ int flags)
{
blk64_t block_nr;
unsigned long group, block, offset;
}
memcpy(inode, iptr, (bufsize > length) ? length : bufsize);
- if (!(fs->flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) && fail_csum)
+ if (!(fs->flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) &&
+ !(flags & READ_INODE_NOCSUM) && fail_csum)
return EXT2_ET_INODE_CSUM_INVALID;
return 0;
}
+errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode * inode, int bufsize)
+{
+ return ext2fs_read_inode2(fs, ino, inode, bufsize, 0);
+}
+
errcode_t ext2fs_read_inode(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode * inode)
{
- return ext2fs_read_inode_full(fs, ino, inode,
- sizeof(struct ext2_inode));
+ return ext2fs_read_inode2(fs, ino, inode,
+ sizeof(struct ext2_inode), 0);
}
-errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino,
- struct ext2_inode * inode, int bufsize)
+errcode_t ext2fs_write_inode2(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode * inode, int bufsize,
+ int flags)
{
blk64_t block_nr;
unsigned long group, block, offset;
if (bufsize < length) {
int old_flags = fs->flags;
- fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
- retval = ext2fs_read_inode_full(fs, ino,
- (struct ext2_inode *)w_inode,
- length);
- fs->flags = (old_flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
- (fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
+ retval = ext2fs_read_inode2(fs, ino,
+ (struct ext2_inode *)w_inode,
+ length, READ_INODE_NOCSUM);
if (retval)
goto errout;
}
ext2fs_swap_inode_full(fs, w_inode, w_inode, 1, length);
#endif
- retval = ext2fs_inode_csum_set(fs, ino, w_inode);
- if (retval)
- goto errout;
+ if ((flags & WRITE_INODE_NOCSUM) == 0) {
+ retval = ext2fs_inode_csum_set(fs, ino, w_inode);
+ if (retval)
+ goto errout;
+ }
group = (ino - 1) / EXT2_INODES_PER_GROUP(fs->super);
offset = ((ino - 1) % EXT2_INODES_PER_GROUP(fs->super)) *
return retval;
}
+errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode * inode, int bufsize)
+{
+ return ext2fs_write_inode2(fs, ino, inode, bufsize, 0);
+}
+
errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode *inode)
{
- return ext2fs_write_inode_full(fs, ino, inode,
- sizeof(struct ext2_inode));
+ return ext2fs_write_inode2(fs, ino, inode,
+ sizeof(struct ext2_inode), 0);
}
/*