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[XFS] kill xfs_root 

The only caller (xfs_fs_fill_super) can simplify call igrab on the root
inode.

SGI-PV: 971186
SGI-Modid: xfs-linux-melb:xfs-kern:30393a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Christoph Hellwig 2008-02-05 12:14:01 +11:00 committed by Lachlan McIlroy
parent 4188c78d95
commit cbc89dcfd2
3 changed files with 4 additions and 23 deletions
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6
fs/xfs/linux-2.6/xfs_super.c
View File

@ -1344,9 +1344,11 @@ xfs_fs_fill_super(
sb->s_time_gran = 1;
set_posix_acl_flag(sb);
error = xfs_root(mp, &rootvp);
if (error)
rootvp = igrab(mp->m_rootip->i_vnode);
if (!rootvp) {
error = ENOENT;
goto fail_unmount;
}
sb->s_root = d_alloc_root(vn_to_inode(rootvp));
if (!sb->s_root) {

20
fs/xfs/xfs_vfsops.c
View File

@ -807,26 +807,6 @@ fscorrupt_out2:
return XFS_ERROR(EFSCORRUPTED);
}
/*
* xfs_root extracts the root vnode from a vfs.
*
* vfsp -- the vfs struct for the desired file system
* vpp -- address of the caller's vnode pointer which should be
* set to the desired fs root vnode
*/
int
xfs_root(
xfs_mount_t *mp,
bhv_vnode_t **vpp)
{
bhv_vnode_t *vp;
vp = XFS_ITOV(mp->m_rootip);
VN_HOLD(vp);
*vpp = vp;
return 0;
}
/*
* xfs_sync flushes any pending I/O to file system vfsp.
*

1
fs/xfs/xfs_vfsops.h
View File

@ -13,7 +13,6 @@ int xfs_mount(struct xfs_mount *mp, struct xfs_mount_args *args,
int xfs_unmount(struct xfs_mount *mp, int flags, struct cred *credp);
int xfs_mntupdate(struct xfs_mount *mp, int *flags,
struct xfs_mount_args *args);
int xfs_root(struct xfs_mount *mp, bhv_vnode_t **vpp);
int xfs_sync(struct xfs_mount *mp, int flags);
void xfs_do_force_shutdown(struct xfs_mount *mp, int flags, char *fname,
int lnnum);