max_size = min_t(unsigned long, PAGE_SIZE, max_size);
ret = btrfs_decompress(compress_type, tmp, page,
extent_offset, inline_size, max_size);
+
+ /*
+ * decompression code contains a memset to fill in any space between the end
+ * of the uncompressed data and the end of max_size in case the decompressed
+ * data ends up shorter than ram_bytes. That doesn't cover the hole between
+ * the end of an inline extent and the beginning of the next block, so we
+ * cover that region here.
+ */
+
+ if (max_size + pg_offset < PAGE_SIZE) {
+ char *map = kmap(page);
+ memset(map + pg_offset + max_size, 0, PAGE_SIZE - max_size - pg_offset);
+ kunmap(page);
+ }
kfree(tmp);
return ret;
}
return -ENOMEM;
}
-static int btrfs_getattr(struct vfsmount *mnt,
- struct dentry *dentry, struct kstat *stat)
+static int btrfs_getattr(const struct path *path, struct kstat *stat,
+ u32 request_mask, unsigned int flags)
{
u64 delalloc_bytes;
- struct inode *inode = d_inode(dentry);
+ struct inode *inode = d_inode(path->dentry);
u32 blocksize = inode->i_sb->s_blocksize;
generic_fillattr(inode, stat);