Re: [PATCH 1/2] CRED: Alter XFS so as to avoid namespace collisionswith upcoming COW creds

From: James Morris
Date: Tue Aug 12 2008 - 18:57:40 EST


On Tue, 12 Aug 2008, David Howells wrote:

> Rename XFS's current_fsuid() and current_fsgid() to avoid collision with
> functions of the same name in upcoming COW creds.
>
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>

Can we get an acked-by from an XFS maintainer before pushing this to
Linus?

> ---
>
> fs/xfs/linux-2.6/xfs_linux.h | 4 ++--
> fs/xfs/xfs_inode.c | 4 ++--
> fs/xfs/xfs_vnodeops.c | 8 ++++----
> 3 files changed, 8 insertions(+), 8 deletions(-)
>
>
> diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
> index 4d45d93..05a2e7e 100644
> --- a/fs/xfs/linux-2.6/xfs_linux.h
> +++ b/fs/xfs/linux-2.6/xfs_linux.h
> @@ -126,8 +126,8 @@
>
> #define current_cpu() (raw_smp_processor_id())
> #define current_pid() (current->pid)
> -#define current_fsuid(cred) (current->fsuid)
> -#define current_fsgid(cred) (current->fsgid)
> +#define this_fsuid(cred) (current->fsuid)
> +#define this_fsgid(cred) (current->fsgid)
> #define current_test_flags(f) (current->flags & (f))
> #define current_set_flags_nested(sp, f) \
> (*(sp) = current->flags, current->flags |= (f))
> diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
> index bedc661..5e481ae 100644
> --- a/fs/xfs/xfs_inode.c
> +++ b/fs/xfs/xfs_inode.c
> @@ -1082,8 +1082,8 @@ xfs_ialloc(
> ip->i_d.di_onlink = 0;
> ip->i_d.di_nlink = nlink;
> ASSERT(ip->i_d.di_nlink == nlink);
> - ip->i_d.di_uid = current_fsuid(cr);
> - ip->i_d.di_gid = current_fsgid(cr);
> + ip->i_d.di_uid = this_fsuid(cr);
> + ip->i_d.di_gid = this_fsgid(cr);
> ip->i_d.di_projid = prid;
> memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
>
> diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
> index 76a1166..3dfe8a0 100644
> --- a/fs/xfs/xfs_vnodeops.c
> +++ b/fs/xfs/xfs_vnodeops.c
> @@ -182,7 +182,7 @@ xfs_setattr(
> xfs_ilock(ip, lock_flags);
>
> /* boolean: are we the file owner? */
> - file_owner = (current_fsuid(credp) == ip->i_d.di_uid);
> + file_owner = (this_fsuid(credp) == ip->i_d.di_uid);
>
> /*
> * Change various properties of a file.
> @@ -1536,7 +1536,7 @@ xfs_create(
> * Make sure that we have allocated dquot(s) on disk.
> */
> error = XFS_QM_DQVOPALLOC(mp, dp,
> - current_fsuid(credp), current_fsgid(credp), prid,
> + this_fsuid(credp), this_fsgid(credp), prid,
> XFS_QMOPT_QUOTALL|XFS_QMOPT_INHERIT, &udqp, &gdqp);
> if (error)
> goto std_return;
> @@ -2352,7 +2352,7 @@ xfs_mkdir(
> * Make sure that we have allocated dquot(s) on disk.
> */
> error = XFS_QM_DQVOPALLOC(mp, dp,
> - current_fsuid(credp), current_fsgid(credp), prid,
> + this_fsuid(credp), this_fsgid(credp), prid,
> XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
> if (error)
> goto std_return;
> @@ -2578,7 +2578,7 @@ xfs_symlink(
> * Make sure that we have allocated dquot(s) on disk.
> */
> error = XFS_QM_DQVOPALLOC(mp, dp,
> - current_fsuid(credp), current_fsgid(credp), prid,
> + this_fsuid(credp), this_fsgid(credp), prid,
> XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
> if (error)
> goto std_return;
>

--
James Morris
<jmorris@xxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/