* Copyright (c) 1982, 1986, 1989, 1993
* The Regents of the University of California. All rights reserved.
* %sccs.include.redist.c%
* @(#)ffs_vnops.c 8.8 (Berkeley) %G%
#include <sys/resourcevar.h>
#include <miscfs/specfs/specdev.h>
#include <miscfs/fifofs/fifo.h>
#include <ufs/ufs/lockf.h>
#include <ufs/ufs/quota.h>
#include <ufs/ufs/inode.h>
#include <ufs/ufs/ufs_extern.h>
#include <ufs/ffs/ffs_extern.h>
/* Global vfs data structures for ufs. */
struct vnodeopv_entry_desc ffs_vnodeop_entries
[] = {
{ &vop_default_desc
, vn_default_error
},
{ &vop_lookup_desc
, ufs_lookup
}, /* lookup */
{ &vop_create_desc
, ufs_create
}, /* create */
{ &vop_mknod_desc
, ufs_mknod
}, /* mknod */
{ &vop_open_desc
, ufs_open
}, /* open */
{ &vop_close_desc
, ufs_close
}, /* close */
{ &vop_access_desc
, ufs_access
}, /* access */
{ &vop_getattr_desc
, ufs_getattr
}, /* getattr */
{ &vop_setattr_desc
, ufs_setattr
}, /* setattr */
{ &vop_read_desc
, ffs_read
}, /* read */
{ &vop_write_desc
, ffs_write
}, /* write */
{ &vop_ioctl_desc
, ufs_ioctl
}, /* ioctl */
{ &vop_select_desc
, ufs_select
}, /* select */
{ &vop_mmap_desc
, ufs_mmap
}, /* mmap */
{ &vop_fsync_desc
, ffs_fsync
}, /* fsync */
{ &vop_seek_desc
, ufs_seek
}, /* seek */
{ &vop_remove_desc
, ufs_remove
}, /* remove */
{ &vop_link_desc
, ufs_link
}, /* link */
{ &vop_rename_desc
, ufs_rename
}, /* rename */
{ &vop_mkdir_desc
, ufs_mkdir
}, /* mkdir */
{ &vop_rmdir_desc
, ufs_rmdir
}, /* rmdir */
{ &vop_symlink_desc
, ufs_symlink
}, /* symlink */
{ &vop_readdir_desc
, ufs_readdir
}, /* readdir */
{ &vop_readlink_desc
, ufs_readlink
}, /* readlink */
{ &vop_abortop_desc
, ufs_abortop
}, /* abortop */
{ &vop_inactive_desc
, ufs_inactive
}, /* inactive */
{ &vop_reclaim_desc
, ffs_reclaim
}, /* reclaim */
{ &vop_lock_desc
, ufs_lock
}, /* lock */
{ &vop_unlock_desc
, ufs_unlock
}, /* unlock */
{ &vop_bmap_desc
, ufs_bmap
}, /* bmap */
{ &vop_strategy_desc
, ufs_strategy
}, /* strategy */
{ &vop_print_desc
, ufs_print
}, /* print */
{ &vop_islocked_desc
, ufs_islocked
}, /* islocked */
{ &vop_pathconf_desc
, ufs_pathconf
}, /* pathconf */
{ &vop_advlock_desc
, ufs_advlock
}, /* advlock */
{ &vop_blkatoff_desc
, ffs_blkatoff
}, /* blkatoff */
{ &vop_valloc_desc
, ffs_valloc
}, /* valloc */
{ &vop_reallocblks_desc
, ffs_reallocblks
}, /* reallocblks */
{ &vop_vfree_desc
, ffs_vfree
}, /* vfree */
{ &vop_truncate_desc
, ffs_truncate
}, /* truncate */
{ &vop_update_desc
, ffs_update
}, /* update */
{ &vop_bwrite_desc
, vn_bwrite
},
{ (struct vnodeop_desc
*)NULL
, (int(*)())NULL
}
struct vnodeopv_desc ffs_vnodeop_opv_desc
=
{ &ffs_vnodeop_p
, ffs_vnodeop_entries
};
struct vnodeopv_entry_desc ffs_specop_entries
[] = {
{ &vop_default_desc
, vn_default_error
},
{ &vop_lookup_desc
, spec_lookup
}, /* lookup */
{ &vop_create_desc
, spec_create
}, /* create */
{ &vop_mknod_desc
, spec_mknod
}, /* mknod */
{ &vop_open_desc
, spec_open
}, /* open */
{ &vop_close_desc
, ufsspec_close
}, /* close */
{ &vop_access_desc
, ufs_access
}, /* access */
{ &vop_getattr_desc
, ufs_getattr
}, /* getattr */
{ &vop_setattr_desc
, ufs_setattr
}, /* setattr */
{ &vop_read_desc
, ufsspec_read
}, /* read */
{ &vop_write_desc
, ufsspec_write
}, /* write */
{ &vop_ioctl_desc
, spec_ioctl
}, /* ioctl */
{ &vop_select_desc
, spec_select
}, /* select */
{ &vop_mmap_desc
, spec_mmap
}, /* mmap */
{ &vop_fsync_desc
, ffs_fsync
}, /* fsync */
{ &vop_seek_desc
, spec_seek
}, /* seek */
{ &vop_remove_desc
, spec_remove
}, /* remove */
{ &vop_link_desc
, spec_link
}, /* link */
{ &vop_rename_desc
, spec_rename
}, /* rename */
{ &vop_mkdir_desc
, spec_mkdir
}, /* mkdir */
{ &vop_rmdir_desc
, spec_rmdir
}, /* rmdir */
{ &vop_symlink_desc
, spec_symlink
}, /* symlink */
{ &vop_readdir_desc
, spec_readdir
}, /* readdir */
{ &vop_readlink_desc
, spec_readlink
}, /* readlink */
{ &vop_abortop_desc
, spec_abortop
}, /* abortop */
{ &vop_inactive_desc
, ufs_inactive
}, /* inactive */
{ &vop_reclaim_desc
, ffs_reclaim
}, /* reclaim */
{ &vop_lock_desc
, ufs_lock
}, /* lock */
{ &vop_unlock_desc
, ufs_unlock
}, /* unlock */
{ &vop_bmap_desc
, spec_bmap
}, /* bmap */
{ &vop_strategy_desc
, spec_strategy
}, /* strategy */
{ &vop_print_desc
, ufs_print
}, /* print */
{ &vop_islocked_desc
, ufs_islocked
}, /* islocked */
{ &vop_pathconf_desc
, spec_pathconf
}, /* pathconf */
{ &vop_advlock_desc
, spec_advlock
}, /* advlock */
{ &vop_blkatoff_desc
, spec_blkatoff
}, /* blkatoff */
{ &vop_valloc_desc
, spec_valloc
}, /* valloc */
{ &vop_reallocblks_desc
, spec_reallocblks
}, /* reallocblks */
{ &vop_vfree_desc
, ffs_vfree
}, /* vfree */
{ &vop_truncate_desc
, spec_truncate
}, /* truncate */
{ &vop_update_desc
, ffs_update
}, /* update */
{ &vop_bwrite_desc
, vn_bwrite
},
{ (struct vnodeop_desc
*)NULL
, (int(*)())NULL
}
struct vnodeopv_desc ffs_specop_opv_desc
=
{ &ffs_specop_p
, ffs_specop_entries
};
struct vnodeopv_entry_desc ffs_fifoop_entries
[] = {
{ &vop_default_desc
, vn_default_error
},
{ &vop_lookup_desc
, fifo_lookup
}, /* lookup */
{ &vop_create_desc
, fifo_create
}, /* create */
{ &vop_mknod_desc
, fifo_mknod
}, /* mknod */
{ &vop_open_desc
, fifo_open
}, /* open */
{ &vop_close_desc
, ufsfifo_close
}, /* close */
{ &vop_access_desc
, ufs_access
}, /* access */
{ &vop_getattr_desc
, ufs_getattr
}, /* getattr */
{ &vop_setattr_desc
, ufs_setattr
}, /* setattr */
{ &vop_read_desc
, ufsfifo_read
}, /* read */
{ &vop_write_desc
, ufsfifo_write
}, /* write */
{ &vop_ioctl_desc
, fifo_ioctl
}, /* ioctl */
{ &vop_select_desc
, fifo_select
}, /* select */
{ &vop_mmap_desc
, fifo_mmap
}, /* mmap */
{ &vop_fsync_desc
, ffs_fsync
}, /* fsync */
{ &vop_seek_desc
, fifo_seek
}, /* seek */
{ &vop_remove_desc
, fifo_remove
}, /* remove */
{ &vop_link_desc
, fifo_link
}, /* link */
{ &vop_rename_desc
, fifo_rename
}, /* rename */
{ &vop_mkdir_desc
, fifo_mkdir
}, /* mkdir */
{ &vop_rmdir_desc
, fifo_rmdir
}, /* rmdir */
{ &vop_symlink_desc
, fifo_symlink
}, /* symlink */
{ &vop_readdir_desc
, fifo_readdir
}, /* readdir */
{ &vop_readlink_desc
, fifo_readlink
}, /* readlink */
{ &vop_abortop_desc
, fifo_abortop
}, /* abortop */
{ &vop_inactive_desc
, ufs_inactive
}, /* inactive */
{ &vop_reclaim_desc
, ffs_reclaim
}, /* reclaim */
{ &vop_lock_desc
, ufs_lock
}, /* lock */
{ &vop_unlock_desc
, ufs_unlock
}, /* unlock */
{ &vop_bmap_desc
, fifo_bmap
}, /* bmap */
{ &vop_strategy_desc
, fifo_strategy
}, /* strategy */
{ &vop_print_desc
, ufs_print
}, /* print */
{ &vop_islocked_desc
, ufs_islocked
}, /* islocked */
{ &vop_pathconf_desc
, fifo_pathconf
}, /* pathconf */
{ &vop_advlock_desc
, fifo_advlock
}, /* advlock */
{ &vop_blkatoff_desc
, fifo_blkatoff
}, /* blkatoff */
{ &vop_valloc_desc
, fifo_valloc
}, /* valloc */
{ &vop_reallocblks_desc
, fifo_reallocblks
}, /* reallocblks */
{ &vop_vfree_desc
, ffs_vfree
}, /* vfree */
{ &vop_truncate_desc
, fifo_truncate
}, /* truncate */
{ &vop_update_desc
, ffs_update
}, /* update */
{ &vop_bwrite_desc
, vn_bwrite
},
{ (struct vnodeop_desc
*)NULL
, (int(*)())NULL
}
struct vnodeopv_desc ffs_fifoop_opv_desc
=
{ &ffs_fifoop_p
, ffs_fifoop_entries
};
* Enabling cluster read/write operations.
struct ctldebug debug11
= { "doclusterread", &doclusterread
};
struct ctldebug debug12
= { "doclusterwrite", &doclusterwrite
};
/* XXX for ufs_readwrite */
#include <ufs/ufs/ufs_readwrite.c>
struct vop_fsync_args
/* {
register struct vnode
*vp
= ap
->a_vp
;
* Flush all dirty buffers associated with a vnode.
for (bp
= vp
->v_dirtyblkhd
.lh_first
; bp
; bp
= nbp
) {
nbp
= bp
->b_vnbufs
.le_next
;
if ((bp
->b_flags
& B_BUSY
))
if ((bp
->b_flags
& B_DELWRI
) == 0)
panic("ffs_fsync: not dirty");
* Wait for I/O associated with indirect blocks to complete,
* since there is no way to quickly wait for them below.
if (bp
->b_vp
== vp
|| ap
->a_waitfor
== MNT_NOWAIT
)
if (ap
->a_waitfor
== MNT_WAIT
) {
while (vp
->v_numoutput
) {
sleep((caddr_t
)&vp
->v_numoutput
, PRIBIO
+ 1);
if (vp
->v_dirtyblkhd
.lh_first
) {
vprint("ffs_fsync: dirty", vp
);
return (VOP_UPDATE(ap
->a_vp
, &tv
, &tv
, ap
->a_waitfor
== MNT_WAIT
));
* Reclaim an inode so that it can be used for other purposes.
struct vop_reclaim_args
/* {
register struct vnode
*vp
= ap
->a_vp
;
if (error
= ufs_reclaim(vp
))
FREE(vp
->v_data
, M_FFSNODE
);