/*
* This gets called when the inode's version needs to be changed from 1 to 2.
* Currently this happens when the nlink field overflows the old 16-bit value
* or when chproj is called to change the project for the first time.
* As a side effect the superblock version will also get rev'd
* to contain the NLINK bit.
*/
void
xfs_bump_ino_vers2(
xfs_trans_t *tp,
xfs_inode_t *ip)
{
xfs_mount_t *mp;
unsigned long s;
ASSERT(ismrlocked (&ip->i_lock, MR_UPDATE));
ASSERT(ip->i_d.di_version == XFS_DINODE_VERSION_1);
ip->i_d.di_version = XFS_DINODE_VERSION_2;
ip->i_d.di_onlink = 0;
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
mp = tp->t_mountp;
if (!XFS_SB_VERSION_HASNLINK(&mp->m_sb)) {
s = XFS_SB_LOCK(mp);
if (!XFS_SB_VERSION_HASNLINK(&mp->m_sb)) {
XFS_SB_VERSION_ADDNLINK(&mp->m_sb);
XFS_SB_UNLOCK(mp, s);
xfs_mod_sb(tp, XFS_SB_VERSIONNUM);
} else {
XFS_SB_UNLOCK(mp, s);
}
}
/* Caller must log the inode */
}
void
xfs_sb_version_addnlink(xfs_sb_t *sbp)
{
XFS_SB_VERSION_ADDNLINK(sbp);
}
