linux-ext4 - Re: [PATCH 05/10] libext2fs: add explicit casts to ext2fs.h

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Date:	Tue, 3 Dec 2013 11:16:08 -0800
From:	"Darrick J. Wong" <darrick.wong@...cle.com>
To:	"Theodore Ts'o" <tytso@....edu>
Cc:	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	Kit Westneat <kwestneat@....com>
Subject: Re: [PATCH 05/10] libext2fs: add explicit casts to ext2fs.h

On Tue, Dec 03, 2013 at 12:10:13AM -0500, Theodore Ts'o wrote:
> Add some explicit casts to silence some -Wconversion noise.
> 
> Signed-off-by: "Theodore Ts'o" <tytso@....edu>
> ---
>  lib/ext2fs/ext2fs.h | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
> index b7a784e..eb1901e 100644
> --- a/lib/ext2fs/ext2fs.h
> +++ b/lib/ext2fs/ext2fs.h
> @@ -1673,14 +1673,14 @@ _INLINE_ int ext2fs_test_bb_dirty(ext2_filsys fs)
>  /*
>   * Return the group # of a block
>   */
> -_INLINE_ int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk)
> +_INLINE_ dgrp_t ext2fs_group_of_blk(ext2_filsys fs, blk_t blk)

The function prototypes up around line 1604 need to be updated:

In file included from inline.c:38:0:
ext2fs.h:1810:17: error: conflicting types for ‘ext2fs_group_of_blk’
ext2fs.h:1604:12: note: previous declaration of ‘ext2fs_group_of_blk’ was here
ext2fs.h:1817:17: error: conflicting types for ‘ext2fs_group_of_ino’
ext2fs.h:1605:12: note: previous declaration of ‘ext2fs_group_of_ino’ was here

--D

---
libext2fs: fix function declarations to match definition

Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
---
 lib/ext2fs/ext2fs.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index f9b795a..898ad0c 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -1601,8 +1601,8 @@ extern void ext2fs_mark_ib_dirty(ext2_filsys fs);
 extern void ext2fs_mark_bb_dirty(ext2_filsys fs);
 extern int ext2fs_test_ib_dirty(ext2_filsys fs);
 extern int ext2fs_test_bb_dirty(ext2_filsys fs);
-extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk);
-extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino);
+extern dgrp_t ext2fs_group_of_blk(ext2_filsys fs, blk_t blk);
+extern dgrp_t ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino);
 extern blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group);
 extern blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group);
 extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
--
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