/* ARGSUSED */
static int
zpl_shares_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat)
{
struct inode *ip = dentry->d_inode;
zfs_sb_t *zsb = ITOZSB(ip);
znode_t *dzp;
int error;
ZFS_ENTER(zsb);
if (zsb->z_shares_dir == 0) {
error = simple_getattr(mnt, dentry, stat);
stat->nlink = stat->size = 2;
stat->atime = CURRENT_TIME;
ZFS_EXIT(zsb);
return (error);
}
error = -zfs_zget(zsb, zsb->z_shares_dir, &dzp);
if (error == 0) {
error = -zfs_getattr_fast(ZTOI(dzp), stat);
iput(ZTOI(dzp));
}
//VN_RELE(ZTOI(dzp));
ZFS_EXIT(zsb);
ASSERT3S(error, <=, 0);
return (error);
}
static int
zpl_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
{
boolean_t issnap = ITOZSB(dentry->d_inode)->z_issnap;
int error;
fstrans_cookie_t cookie;
/*
* Ensure MNT_SHRINKABLE is set on snapshots to ensure they are
* unmounted automatically with the parent file system. This
* is done on the first getattr because it's not easy to get the
* vfsmount structure at mount time. This call path is explicitly
* marked unlikely to avoid any performance impact. FWIW, ext4
* resorts to a similar trick for sysadmin convenience.
*/
if (unlikely(issnap && !(mnt->mnt_flags & MNT_SHRINKABLE)))
mnt->mnt_flags |= MNT_SHRINKABLE;
cookie = spl_fstrans_mark();
error = -zfs_getattr_fast(dentry->d_inode, stat);
spl_fstrans_unmark(cookie);
ASSERT3S(error, <=, 0);
return (error);
}
static int
zpl_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
{
int error;
error = -zfs_getattr_fast(dentry->d_inode, stat);
ASSERT3S(error, <=, 0);
return (error);
}
static int
zpl_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
{
int error;
fstrans_cookie_t cookie;
cookie = spl_fstrans_mark();
error = -zfs_getattr_fast(dentry->d_inode, stat);
spl_fstrans_unmark(cookie);
ASSERT3S(error, <=, 0);
return (error);
}
