int *retval);
extern int ext4_inline_data_fiemap(struct inode *inode,
struct fiemap_extent_info *fieinfo,
- int *has_inline);
+ int *has_inline, __u64 start, __u64 len);
extern int ext4_try_to_evict_inline_data(handle_t *handle,
struct inode *inode,
int needed);
if (ext4_has_inline_data(inode)) {
int has_inline = 1;
- error = ext4_inline_data_fiemap(inode, fieinfo, &has_inline);
+ error = ext4_inline_data_fiemap(inode, fieinfo, &has_inline,
+ start, len);
if (has_inline)
return error;
int ext4_inline_data_fiemap(struct inode *inode,
struct fiemap_extent_info *fieinfo,
- int *has_inline)
+ int *has_inline, __u64 start, __u64 len)
{
__u64 physical = 0;
- __u64 length;
- __u32 flags = FIEMAP_EXTENT_DATA_INLINE | FIEMAP_EXTENT_LAST;
+ __u64 inline_len;
+ __u32 flags = FIEMAP_EXTENT_DATA_INLINE | FIEMAP_EXTENT_NOT_ALIGNED |
+ FIEMAP_EXTENT_LAST;
int error = 0;
struct ext4_iloc iloc;
*has_inline = 0;
goto out;
}
+ inline_len = min_t(size_t, ext4_get_inline_size(inode),
+ i_size_read(inode));
+ if (start >= inline_len)
+ goto out;
+ if (start + len < inline_len)
+ inline_len = start + len;
+ inline_len -= start;
error = ext4_get_inode_loc(inode, &iloc);
if (error)
physical = (__u64)iloc.bh->b_blocknr << inode->i_sb->s_blocksize_bits;
physical += (char *)ext4_raw_inode(&iloc) - iloc.bh->b_data;
physical += offsetof(struct ext4_inode, i_block);
- length = i_size_read(inode);
if (physical)
- error = fiemap_fill_next_extent(fieinfo, 0, physical,
- length, flags);
+ error = fiemap_fill_next_extent(fieinfo, start, physical,
+ inline_len, flags);
brelse(iloc.bh);
out:
up_read(&EXT4_I(inode)->xattr_sem);