On Fri, Aug 02, 2013 at 05:49:33PM +0800, Zheng Liu wrote:
> From: Zheng Liu <wenqing.lz@xxxxxxxxxx>
>
> If there is an inode with inline data, we just print the size of inline
> data in stat command.
>
> Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
> Signed-off-by: Zheng Liu <wenqing.lz@xxxxxxxxxx>
> ---
> debugfs/debugfs.c | 11 +++++++++++
> lib/ext2fs/ext2fs.h | 1 +
> lib/ext2fs/inline_data.c | 27 +++++++++++++++++++++++++++
> 3 files changed, 39 insertions(+)
>
> diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
> index 969dbe0..2837ee6 100644
> --- a/debugfs/debugfs.c
> +++ b/debugfs/debugfs.c
> @@ -704,6 +704,15 @@ static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
> fprintf(f, "\n");
> }
>
> +static void dump_inline_data(FILE *out, const char *prefix, ext2_ino_t inode_num)
> +{
> + int size;
> +
> + fprintf(out, "%sINLINE DATA:\n %s", prefix, prefix);
> + size = ext2fs_inline_data_get_size(current_fs, inode_num);
> + fprintf(out, " The size of inline data: %d", size);
> +}
> +
> void internal_dump_inode(FILE *out, const char *prefix,
> ext2_ino_t inode_num, struct ext2_inode *inode,
> int do_dump_blocks)
> @@ -837,6 +846,8 @@ void internal_dump_inode(FILE *out, const char *prefix,
> if (inode->i_flags & EXT4_EXTENTS_FL)
> dump_extents(out, prefix, inode_num,
> DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
> + else if (inode->i_flags & EXT4_INLINE_DATA_FL)
> + dump_inline_data(out, prefix, inode_num);
> else
> dump_blocks(out, prefix, inode_num);
> }
> diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
> index 7b05b48..6e3bf6e 100644
> --- a/lib/ext2fs/ext2fs.h
> +++ b/lib/ext2fs/ext2fs.h
> @@ -1344,6 +1344,7 @@ extern errcode_t ext2fs_get_memalign(unsigned long size,
>
> /* inline_data.c */
> extern int ext2fs_inode_has_inline_data(ext2_filsys fs, ext2_ino_t ino);
> +extern int ext2fs_inline_data_get_size(ext2_filsys fs, ext2_ino_t ino);
> extern errcode_t ext2fs_inline_data_iterate(ext2_filsys fs,
> ext2_ino_t ino,
> int flags,
> diff --git a/lib/ext2fs/inline_data.c b/lib/ext2fs/inline_data.c
> index 922c959..1220418 100644
> --- a/lib/ext2fs/inline_data.c
> +++ b/lib/ext2fs/inline_data.c
> @@ -80,6 +80,33 @@ int ext2fs_inode_has_inline_data(ext2_filsys fs, ext2_ino_t ino)
> return (inode.i_flags & EXT4_INLINE_DATA_FL);
> }
>
> +int ext2fs_inline_data_get_size(ext2_filsys fs, ext2_ino_t ino)
> +{
> + struct ext2_inode_large *inode;
> + struct inline_data data;
> + errcode_t retval = 0;
> + int size = 0;
> +
> + retval = ext2fs_get_mem(EXT2_INODE_SIZE(fs->super), &inode);
> + if (retval)
> + return 0;
> + retval = ext2fs_read_inode_full(fs, ino, (void *)inode,
> + EXT2_INODE_SIZE(fs->super));
> + if (retval)
> + goto out;
> +
> + if (inode->i_flags & EXT4_INLINE_DATA_FL) {
> + retval = ext2fs_inline_data_find(fs, inode, &data);
> + if (retval)
> + goto out;
> + size = data.inline_size;
Doesn't this miss the inline data in i_block? Afaict ext2fs_inline_data_find
only picks up EA inline data.
--D
> + }
> +
> +out:
> + ext2fs_free_mem(&inode);
> + return size;
> +}
> +
> errcode_t ext2fs_inline_data_iterate(ext2_filsys fs,
> ext2_ino_t ino,
> int flags,
> --
> 1.7.9.7
>
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