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xfs: remove the possibly unused mp variable in xfs_file_compat_ioctl

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The mp variable in xfs_file_compat_ioctl is only used when
BROKEN_X86_ALIGNMENT is define.  Remove it and just open code the
dereference in a few places.

Link: https://lore.kernel.org/r/20210203173009.462205-1-christian.brauner@ubuntu.com
Fixes: f736d93d76 ("xfs: support idmapped mounts")
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christoph Hellwig 2021-02-03 18:30:10 +01:00 committed by Christian Brauner
parent f736d93d76
commit f69e8091c4
No known key found for this signature in database
GPG key ID: 91C61BC06578DCA2
1 changed files with 3 additions and 4 deletions
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7
fs/xfs/xfs_ioctl32.c
View file

@ -438,7 +438,6 @@ xfs_file_compat_ioctl(
{
struct inode *inode = file_inode(filp);
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
void __user *arg = compat_ptr(p);
int error;
@ -458,7 +457,7 @@ xfs_file_compat_ioctl(
return xfs_ioc_space(filp, &bf);
}
case XFS_IOC_FSGEOMETRY_V1_32:
return xfs_compat_ioc_fsgeometry_v1(mp, arg);
return xfs_compat_ioc_fsgeometry_v1(ip->i_mount, arg);
case XFS_IOC_FSGROWFSDATA_32: {
struct xfs_growfs_data in;
@ -467,7 +466,7 @@ xfs_file_compat_ioctl(
error = mnt_want_write_file(filp);
if (error)
return error;
error = xfs_growfs_data(mp, &in);
error = xfs_growfs_data(ip->i_mount, &in);
mnt_drop_write_file(filp);
return error;
}
@ -479,7 +478,7 @@ xfs_file_compat_ioctl(
error = mnt_want_write_file(filp);
if (error)
return error;
error = xfs_growfs_rt(mp, &in);
error = xfs_growfs_rt(ip->i_mount, &in);
mnt_drop_write_file(filp);
return error;
}