linux-kernel - Re: [Jfs-discussion] [PATCH] JFS: diAlloc() should return -EIO rather than EIO

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Message-Id: <1211983325.31158.30.camel@norville.austin.ibm.com>
Date:	Wed, 28 May 2008 09:02:05 -0500
From:	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	jfs-discussion@...ts.sourceforge.net
Subject: Re: [Jfs-discussion] [PATCH] JFS: diAlloc() should return -EIO
	rather than EIO

On Tue, 2008-05-27 at 15:55 +0800, Li Zefan wrote:
> The comment above the function says one of its return value is -EIO,
> and also the caller of diAlloc() checks for -EIO:
> 
> struct inode *ialloc(struct inode *parent, umode_t mode)
> {
> 	...
> 	rc = diAlloc(parent, S_ISDIR(mode), inode);
> 	if (rc) {
> 		jfs_warn("ialloc: diAlloc returned %d!", rc);
> 		if (rc == -EIO)
> 			make_bad_inode(inode);
> 	...
> 
> Signed-off-by: Li Zefan <lizf@...fujitsu.com>
Signed-off-by: Dave Kleikamp <shaggy@...ux.vnet.ibm.com>

> ---
>  fs/jfs/jfs_imap.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
> index 734ec91..d6363d8 100644
> --- a/fs/jfs/jfs_imap.c
> +++ b/fs/jfs/jfs_imap.c
> @@ -1520,7 +1520,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
>  					jfs_error(ip->i_sb,
>  						  "diAlloc: can't find free bit "
>  						  "in wmap");
> -					return EIO;
> +					return -EIO;
>  				}
> 
>  				/* determine the inode number within the
> -- 1.5.4.rc3

I'm not sure how this one escaped detection this long.  I've added this
patch to the jfs git tree.

Thanks,
Shaggy
-- 
David Kleikamp
IBM Linux Technology Center

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