version 1.19.2.1, 2000/11/20 18:11:46 |
version 1.77.8.3, 2006/05/24 10:59:25 |
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* 2. Redistributions in binary form must reproduce the above copyright |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* documentation and/or other materials provided with the distribution. |
* 3. All advertising materials mentioning features or use of this software |
* 3. Neither the name of the University nor the names of its contributors |
* must display the following acknowledgement: |
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* This product includes software developed by the University of |
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* California, Berkeley and its contributors. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
* may be used to endorse or promote products derived from this software |
* without specific prior written permission. |
* without specific prior written permission. |
* |
* |
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* @(#)ffs_vnops.c 8.15 (Berkeley) 5/14/95 |
* @(#)ffs_vnops.c 8.15 (Berkeley) 5/14/95 |
*/ |
*/ |
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#include <sys/cdefs.h> |
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__KERNEL_RCSID(0, "$NetBSD$"); |
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#include <sys/param.h> |
#include <sys/param.h> |
#include <sys/systm.h> |
#include <sys/systm.h> |
#include <sys/resourcevar.h> |
#include <sys/resourcevar.h> |
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#include <sys/file.h> |
#include <sys/file.h> |
#include <sys/stat.h> |
#include <sys/stat.h> |
#include <sys/buf.h> |
#include <sys/buf.h> |
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#include <sys/event.h> |
#include <sys/proc.h> |
#include <sys/proc.h> |
#include <sys/mount.h> |
#include <sys/mount.h> |
#include <sys/vnode.h> |
#include <sys/vnode.h> |
#include <sys/pool.h> |
#include <sys/pool.h> |
#include <sys/signalvar.h> |
#include <sys/signalvar.h> |
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#include <sys/kauth.h> |
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#include <miscfs/fifofs/fifo.h> |
#include <miscfs/fifofs/fifo.h> |
#include <miscfs/genfs/genfs.h> |
#include <miscfs/genfs/genfs.h> |
#include <miscfs/specfs/specdev.h> |
#include <miscfs/specfs/specdev.h> |
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#include <ufs/ufs/quota.h> |
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#include <ufs/ufs/inode.h> |
#include <ufs/ufs/inode.h> |
#include <ufs/ufs/dir.h> |
#include <ufs/ufs/dir.h> |
#include <ufs/ufs/ufs_extern.h> |
#include <ufs/ufs/ufs_extern.h> |
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#include <ufs/ffs/fs.h> |
#include <ufs/ffs/fs.h> |
#include <ufs/ffs/ffs_extern.h> |
#include <ufs/ffs/ffs_extern.h> |
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static int ffs_full_fsync __P((void *)); |
#include <uvm/uvm.h> |
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static int ffs_full_fsync(void *); |
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/* Global vfs data structures for ufs. */ |
/* Global vfs data structures for ufs. */ |
int (**ffs_vnodeop_p) __P((void *)); |
int (**ffs_vnodeop_p)(void *); |
struct vnodeopv_entry_desc ffs_vnodeop_entries[] = { |
const struct vnodeopv_entry_desc ffs_vnodeop_entries[] = { |
{ &vop_default_desc, vn_default_error }, |
{ &vop_default_desc, vn_default_error }, |
{ &vop_lookup_desc, ufs_lookup }, /* lookup */ |
{ &vop_lookup_desc, ufs_lookup }, /* lookup */ |
{ &vop_create_desc, ufs_create }, /* create */ |
{ &vop_create_desc, ufs_create }, /* create */ |
Line 82 struct vnodeopv_entry_desc ffs_vnodeop_e |
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Line 84 struct vnodeopv_entry_desc ffs_vnodeop_e |
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{ &vop_ioctl_desc, ufs_ioctl }, /* ioctl */ |
{ &vop_ioctl_desc, ufs_ioctl }, /* ioctl */ |
{ &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ |
{ &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ |
{ &vop_poll_desc, ufs_poll }, /* poll */ |
{ &vop_poll_desc, ufs_poll }, /* poll */ |
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{ &vop_kqfilter_desc, genfs_kqfilter }, /* kqfilter */ |
{ &vop_revoke_desc, ufs_revoke }, /* revoke */ |
{ &vop_revoke_desc, ufs_revoke }, /* revoke */ |
{ &vop_mmap_desc, ufs_mmap }, /* mmap */ |
{ &vop_mmap_desc, ufs_mmap }, /* mmap */ |
{ &vop_fsync_desc, ffs_fsync }, /* fsync */ |
{ &vop_fsync_desc, ffs_fsync }, /* fsync */ |
Line 105 struct vnodeopv_entry_desc ffs_vnodeop_e |
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Line 108 struct vnodeopv_entry_desc ffs_vnodeop_e |
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{ &vop_islocked_desc, ufs_islocked }, /* islocked */ |
{ &vop_islocked_desc, ufs_islocked }, /* islocked */ |
{ &vop_pathconf_desc, ufs_pathconf }, /* pathconf */ |
{ &vop_pathconf_desc, ufs_pathconf }, /* pathconf */ |
{ &vop_advlock_desc, ufs_advlock }, /* advlock */ |
{ &vop_advlock_desc, ufs_advlock }, /* advlock */ |
{ &vop_blkatoff_desc, ffs_blkatoff }, /* blkatoff */ |
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{ &vop_valloc_desc, ffs_valloc }, /* valloc */ |
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{ &vop_balloc_desc, ffs_balloc }, /* balloc */ |
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{ &vop_reallocblks_desc, ffs_reallocblks }, /* reallocblks */ |
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{ &vop_vfree_desc, ffs_vfree }, /* vfree */ |
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{ &vop_truncate_desc, ffs_truncate }, /* truncate */ |
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{ &vop_update_desc, ffs_update }, /* update */ |
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{ &vop_bwrite_desc, vn_bwrite }, /* bwrite */ |
{ &vop_bwrite_desc, vn_bwrite }, /* bwrite */ |
{ (struct vnodeop_desc*)NULL, (int(*) __P((void*)))NULL } |
{ &vop_getpages_desc, ffs_getpages }, /* getpages */ |
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{ &vop_putpages_desc, genfs_putpages }, /* putpages */ |
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{ &vop_openextattr_desc, ffs_openextattr }, /* openextattr */ |
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{ &vop_closeextattr_desc, ffs_closeextattr }, /* closeextattr */ |
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{ &vop_getextattr_desc, ffs_getextattr }, /* getextattr */ |
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{ &vop_setextattr_desc, ffs_setextattr }, /* setextattr */ |
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{ &vop_listextattr_desc, ffs_listextattr }, /* listextattr */ |
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{ &vop_deleteextattr_desc, ffs_deleteextattr }, /* deleteextattr */ |
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{ NULL, NULL } |
}; |
}; |
struct vnodeopv_desc ffs_vnodeop_opv_desc = |
const struct vnodeopv_desc ffs_vnodeop_opv_desc = |
{ &ffs_vnodeop_p, ffs_vnodeop_entries }; |
{ &ffs_vnodeop_p, ffs_vnodeop_entries }; |
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int (**ffs_specop_p) __P((void *)); |
int (**ffs_specop_p)(void *); |
struct vnodeopv_entry_desc ffs_specop_entries[] = { |
const struct vnodeopv_entry_desc ffs_specop_entries[] = { |
{ &vop_default_desc, vn_default_error }, |
{ &vop_default_desc, vn_default_error }, |
{ &vop_lookup_desc, spec_lookup }, /* lookup */ |
{ &vop_lookup_desc, spec_lookup }, /* lookup */ |
{ &vop_create_desc, spec_create }, /* create */ |
{ &vop_create_desc, spec_create }, /* create */ |
Line 135 struct vnodeopv_entry_desc ffs_specop_en |
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Line 139 struct vnodeopv_entry_desc ffs_specop_en |
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{ &vop_ioctl_desc, spec_ioctl }, /* ioctl */ |
{ &vop_ioctl_desc, spec_ioctl }, /* ioctl */ |
{ &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ |
{ &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ |
{ &vop_poll_desc, spec_poll }, /* poll */ |
{ &vop_poll_desc, spec_poll }, /* poll */ |
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{ &vop_kqfilter_desc, spec_kqfilter }, /* kqfilter */ |
{ &vop_revoke_desc, spec_revoke }, /* revoke */ |
{ &vop_revoke_desc, spec_revoke }, /* revoke */ |
{ &vop_mmap_desc, spec_mmap }, /* mmap */ |
{ &vop_mmap_desc, spec_mmap }, /* mmap */ |
{ &vop_fsync_desc, ffs_fsync }, /* fsync */ |
{ &vop_fsync_desc, ffs_fsync }, /* fsync */ |
Line 158 struct vnodeopv_entry_desc ffs_specop_en |
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Line 163 struct vnodeopv_entry_desc ffs_specop_en |
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{ &vop_islocked_desc, ufs_islocked }, /* islocked */ |
{ &vop_islocked_desc, ufs_islocked }, /* islocked */ |
{ &vop_pathconf_desc, spec_pathconf }, /* pathconf */ |
{ &vop_pathconf_desc, spec_pathconf }, /* pathconf */ |
{ &vop_advlock_desc, spec_advlock }, /* advlock */ |
{ &vop_advlock_desc, spec_advlock }, /* advlock */ |
{ &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */ |
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{ &vop_valloc_desc, spec_valloc }, /* valloc */ |
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{ &vop_reallocblks_desc, spec_reallocblks }, /* reallocblks */ |
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{ &vop_vfree_desc, ffs_vfree }, /* vfree */ |
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{ &vop_truncate_desc, spec_truncate }, /* truncate */ |
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{ &vop_update_desc, ffs_update }, /* update */ |
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{ &vop_bwrite_desc, vn_bwrite }, /* bwrite */ |
{ &vop_bwrite_desc, vn_bwrite }, /* bwrite */ |
{ (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL } |
{ &vop_getpages_desc, spec_getpages }, /* getpages */ |
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{ &vop_putpages_desc, spec_putpages }, /* putpages */ |
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{ &vop_openextattr_desc, ffs_openextattr }, /* openextattr */ |
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{ &vop_closeextattr_desc, ffs_closeextattr }, /* closeextattr */ |
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{ &vop_getextattr_desc, ffs_getextattr }, /* getextattr */ |
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{ &vop_setextattr_desc, ffs_setextattr }, /* setextattr */ |
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{ &vop_listextattr_desc, ffs_listextattr }, /* listextattr */ |
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{ &vop_deleteextattr_desc, ffs_deleteextattr }, /* deleteextattr */ |
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{ NULL, NULL } |
}; |
}; |
struct vnodeopv_desc ffs_specop_opv_desc = |
const struct vnodeopv_desc ffs_specop_opv_desc = |
{ &ffs_specop_p, ffs_specop_entries }; |
{ &ffs_specop_p, ffs_specop_entries }; |
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int (**ffs_fifoop_p) __P((void *)); |
int (**ffs_fifoop_p)(void *); |
struct vnodeopv_entry_desc ffs_fifoop_entries[] = { |
const struct vnodeopv_entry_desc ffs_fifoop_entries[] = { |
{ &vop_default_desc, vn_default_error }, |
{ &vop_default_desc, vn_default_error }, |
{ &vop_lookup_desc, fifo_lookup }, /* lookup */ |
{ &vop_lookup_desc, fifo_lookup }, /* lookup */ |
{ &vop_create_desc, fifo_create }, /* create */ |
{ &vop_create_desc, fifo_create }, /* create */ |
Line 187 struct vnodeopv_entry_desc ffs_fifoop_en |
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Line 194 struct vnodeopv_entry_desc ffs_fifoop_en |
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{ &vop_ioctl_desc, fifo_ioctl }, /* ioctl */ |
{ &vop_ioctl_desc, fifo_ioctl }, /* ioctl */ |
{ &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ |
{ &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ |
{ &vop_poll_desc, fifo_poll }, /* poll */ |
{ &vop_poll_desc, fifo_poll }, /* poll */ |
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{ &vop_kqfilter_desc, fifo_kqfilter }, /* kqfilter */ |
{ &vop_revoke_desc, fifo_revoke }, /* revoke */ |
{ &vop_revoke_desc, fifo_revoke }, /* revoke */ |
{ &vop_mmap_desc, fifo_mmap }, /* mmap */ |
{ &vop_mmap_desc, fifo_mmap }, /* mmap */ |
{ &vop_fsync_desc, ffs_fsync }, /* fsync */ |
{ &vop_fsync_desc, ffs_fsync }, /* fsync */ |
Line 210 struct vnodeopv_entry_desc ffs_fifoop_en |
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Line 218 struct vnodeopv_entry_desc ffs_fifoop_en |
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{ &vop_islocked_desc, ufs_islocked }, /* islocked */ |
{ &vop_islocked_desc, ufs_islocked }, /* islocked */ |
{ &vop_pathconf_desc, fifo_pathconf }, /* pathconf */ |
{ &vop_pathconf_desc, fifo_pathconf }, /* pathconf */ |
{ &vop_advlock_desc, fifo_advlock }, /* advlock */ |
{ &vop_advlock_desc, fifo_advlock }, /* advlock */ |
{ &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */ |
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{ &vop_valloc_desc, fifo_valloc }, /* valloc */ |
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{ &vop_reallocblks_desc, fifo_reallocblks }, /* reallocblks */ |
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{ &vop_vfree_desc, ffs_vfree }, /* vfree */ |
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{ &vop_truncate_desc, fifo_truncate }, /* truncate */ |
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{ &vop_update_desc, ffs_update }, /* update */ |
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{ &vop_bwrite_desc, vn_bwrite }, /* bwrite */ |
{ &vop_bwrite_desc, vn_bwrite }, /* bwrite */ |
{ (struct vnodeop_desc*)NULL, (int(*) __P((void *)))NULL } |
{ &vop_putpages_desc, fifo_putpages }, /* putpages */ |
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{ &vop_openextattr_desc, ffs_openextattr }, /* openextattr */ |
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{ &vop_closeextattr_desc, ffs_closeextattr }, /* closeextattr */ |
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{ &vop_getextattr_desc, ffs_getextattr }, /* getextattr */ |
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{ &vop_setextattr_desc, ffs_setextattr }, /* setextattr */ |
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{ &vop_listextattr_desc, ffs_listextattr }, /* listextattr */ |
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{ &vop_deleteextattr_desc, ffs_deleteextattr }, /* deleteextattr */ |
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{ NULL, NULL } |
}; |
}; |
struct vnodeopv_desc ffs_fifoop_opv_desc = |
const struct vnodeopv_desc ffs_fifoop_opv_desc = |
{ &ffs_fifoop_p, ffs_fifoop_entries }; |
{ &ffs_fifoop_p, ffs_fifoop_entries }; |
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int doclusterread = 1; |
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int doclusterwrite = 1; |
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#include <ufs/ufs/ufs_readwrite.c> |
#include <ufs/ufs/ufs_readwrite.c> |
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int |
int |
ffs_fsync(v) |
ffs_fsync(void *v) |
void *v; |
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{ |
{ |
struct vop_fsync_args /* { |
struct vop_fsync_args /* { |
struct vnode *a_vp; |
struct vnode *a_vp; |
struct ucred *a_cred; |
kauth_cred_t a_cred; |
int a_flags; |
int a_flags; |
off_t offlo; |
off_t a_offlo; |
off_t offhi; |
off_t a_offhi; |
struct proc *a_p; |
struct lwp *a_l; |
} */ *ap = v; |
} */ *ap = v; |
struct buf *bp, *nbp, *ibp; |
struct buf *bp; |
int s, num, error, i; |
int s, num, error, i; |
struct indir ia[NIADDR + 1]; |
struct indir ia[NIADDR + 1]; |
int bsize; |
int bsize; |
daddr_t blk_low, blk_high; |
daddr_t blk_high; |
struct vnode *vp; |
struct vnode *vp; |
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/* |
/* |
* XXX no easy way to sync a range in a file with softdep. |
* XXX no easy way to sync a range in a file with softdep. |
*/ |
*/ |
if ((ap->a_offlo == 0 && ap->a_offhi == 0) || DOINGSOFTDEP(ap->a_vp)) |
if ((ap->a_offlo == 0 && ap->a_offhi == 0) || DOINGSOFTDEP(ap->a_vp) || |
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(ap->a_vp->v_type != VREG)) |
return ffs_full_fsync(v); |
return ffs_full_fsync(v); |
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vp = ap->a_vp; |
vp = ap->a_vp; |
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bsize = ap->a_vp->v_mount->mnt_stat.f_iosize; |
bsize = ap->a_vp->v_mount->mnt_stat.f_iosize; |
blk_low = ap->a_offlo / bsize; |
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blk_high = ap->a_offhi / bsize; |
blk_high = ap->a_offhi / bsize; |
if (ap->a_offhi % bsize != 0) |
if (ap->a_offhi % bsize != 0) |
blk_high++; |
blk_high++; |
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/* |
/* |
* First, flush all data blocks in range. |
* First, flush all pages in range. |
*/ |
*/ |
loop: |
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s = splbio(); |
simple_lock(&vp->v_interlock); |
for (bp = LIST_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) { |
error = VOP_PUTPAGES(vp, trunc_page(ap->a_offlo), |
nbp = LIST_NEXT(bp, b_vnbufs); |
round_page(ap->a_offhi), PGO_CLEANIT | |
if ((bp->b_flags & B_BUSY)) |
((ap->a_flags & FSYNC_WAIT) ? PGO_SYNCIO : 0)); |
continue; |
if (error) { |
if (bp->b_lblkno < blk_low || bp->b_lblkno > blk_high) |
return error; |
continue; |
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bp->b_flags |= B_BUSY | B_VFLUSH; |
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splx(s); |
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bawrite(bp); |
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goto loop; |
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} |
} |
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/* |
/* |
* Then, flush possibly unwritten indirect blocks. Without softdeps, |
* Then, flush indirect blocks. |
* these should be the only ones left. |
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*/ |
*/ |
if (!(ap->a_flags & FSYNC_DATAONLY) && blk_high >= NDADDR) { |
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s = splbio(); |
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if (blk_high >= NDADDR) { |
error = ufs_getlbns(vp, blk_high, ia, &num); |
error = ufs_getlbns(vp, blk_high, ia, &num); |
if (error != 0) |
if (error) { |
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splx(s); |
return error; |
return error; |
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} |
for (i = 0; i < num; i++) { |
for (i = 0; i < num; i++) { |
ibp = incore(vp, ia[i].in_lbn); |
bp = incore(vp, ia[i].in_lbn); |
if (ibp != NULL && !(ibp->b_flags & B_BUSY) && |
if (bp != NULL) { |
(ibp->b_flags & B_DELWRI)) { |
simple_lock(&bp->b_interlock); |
ibp->b_flags |= B_BUSY | B_VFLUSH; |
if (!(bp->b_flags & B_BUSY) && (bp->b_flags & B_DELWRI)) { |
splx(s); |
bp->b_flags |= B_BUSY | B_VFLUSH; |
bawrite(ibp); |
simple_unlock(&bp->b_interlock); |
s = splbio(); |
splx(s); |
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bawrite(bp); |
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s = splbio(); |
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} else { |
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simple_unlock(&bp->b_interlock); |
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} |
} |
} |
} |
} |
} |
} |
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if (ap->a_flags & FSYNC_WAIT) { |
if (ap->a_flags & FSYNC_WAIT) { |
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simple_lock(&global_v_numoutput_slock); |
while (vp->v_numoutput > 0) { |
while (vp->v_numoutput > 0) { |
vp->v_flag |= VBWAIT; |
vp->v_flag |= VBWAIT; |
tsleep((caddr_t)&vp->v_numoutput, PRIBIO + 1, |
ltsleep(&vp->v_numoutput, PRIBIO + 1, "fsync_range", 0, |
"fsync_range", 0); |
&global_v_numoutput_slock); |
} |
} |
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simple_unlock(&global_v_numoutput_slock); |
} |
} |
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splx(s); |
splx(s); |
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return (VOP_UPDATE(vp, NULL, NULL, |
error = ffs_update(vp, NULL, NULL, |
(ap->a_flags & FSYNC_WAIT) ? UPDATE_WAIT : 0)); |
((ap->a_flags & (FSYNC_WAIT | FSYNC_DATAONLY)) == FSYNC_WAIT) |
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? UPDATE_WAIT : 0); |
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if (error == 0 && ap->a_flags & FSYNC_CACHE) { |
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int l = 0; |
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VOP_IOCTL(VTOI(vp)->i_devvp, DIOCCACHESYNC, &l, FWRITE, |
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ap->a_l->l_proc->p_cred, ap->a_l); |
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} |
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return error; |
} |
} |
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/* |
/* |
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*/ |
*/ |
/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
ffs_full_fsync(v) |
ffs_full_fsync(void *v) |
void *v; |
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{ |
{ |
struct vop_fsync_args /* { |
struct vop_fsync_args /* { |
struct vnode *a_vp; |
struct vnode *a_vp; |
struct ucred *a_cred; |
kauth_cred_t a_cred; |
int a_flags; |
int a_flags; |
off_t offlo; |
off_t a_offlo; |
off_t offhi; |
off_t a_offhi; |
struct proc *a_p; |
struct lwp *a_l; |
} */ *ap = v; |
} */ *ap = v; |
struct vnode *vp = ap->a_vp; |
struct vnode *vp = ap->a_vp; |
struct buf *bp, *nbp; |
struct buf *bp, *nbp; |
int s, error, passes, skipmeta; |
int s, error, passes, skipmeta, inodedeps_only, waitfor; |
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if (vp->v_type == VBLK && |
if (vp->v_type == VBLK && |
vp->v_specmountpoint != NULL && |
vp->v_specmountpoint != NULL && |
(vp->v_specmountpoint->mnt_flag & MNT_SOFTDEP)) |
(vp->v_specmountpoint->mnt_flag & MNT_SOFTDEP)) |
softdep_fsync_mountdev(vp); |
softdep_fsync_mountdev(vp); |
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/* |
inodedeps_only = DOINGSOFTDEP(vp) && (ap->a_flags & FSYNC_RECLAIM) |
* Flush all dirty buffers associated with a vnode |
&& vp->v_uobj.uo_npages == 0 && LIST_EMPTY(&vp->v_dirtyblkhd); |
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/* |
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* Flush all dirty data associated with a vnode. |
*/ |
*/ |
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if (vp->v_type == VREG || vp->v_type == VBLK) { |
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simple_lock(&vp->v_interlock); |
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error = VOP_PUTPAGES(vp, 0, 0, PGO_ALLPAGES | PGO_CLEANIT | |
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((ap->a_flags & FSYNC_WAIT) ? PGO_SYNCIO : 0)); |
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if (error) { |
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return error; |
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} |
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} |
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passes = NIADDR + 1; |
passes = NIADDR + 1; |
skipmeta = 0; |
skipmeta = 0; |
if (ap->a_flags & (FSYNC_DATAONLY|FSYNC_WAIT)) |
if (ap->a_flags & FSYNC_WAIT) |
skipmeta = 1; |
skipmeta = 1; |
s = splbio(); |
s = splbio(); |
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loop: |
loop: |
for (bp = LIST_FIRST(&vp->v_dirtyblkhd); bp; |
LIST_FOREACH(bp, &vp->v_dirtyblkhd, b_vnbufs) |
bp = LIST_NEXT(bp, b_vnbufs)) |
|
bp->b_flags &= ~B_SCANNED; |
bp->b_flags &= ~B_SCANNED; |
for (bp = LIST_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) { |
for (bp = LIST_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) { |
nbp = LIST_NEXT(bp, b_vnbufs); |
nbp = LIST_NEXT(bp, b_vnbufs); |
if (bp->b_flags & (B_BUSY | B_SCANNED)) |
simple_lock(&bp->b_interlock); |
|
if (bp->b_flags & (B_BUSY | B_SCANNED)) { |
|
simple_unlock(&bp->b_interlock); |
continue; |
continue; |
|
} |
if ((bp->b_flags & B_DELWRI) == 0) |
if ((bp->b_flags & B_DELWRI) == 0) |
panic("ffs_fsync: not dirty"); |
panic("ffs_fsync: not dirty"); |
if (skipmeta && bp->b_lblkno < 0) |
if (skipmeta && bp->b_lblkno < 0) { |
|
simple_unlock(&bp->b_interlock); |
continue; |
continue; |
|
} |
|
simple_unlock(&bp->b_interlock); |
bp->b_flags |= B_BUSY | B_VFLUSH | B_SCANNED; |
bp->b_flags |= B_BUSY | B_VFLUSH | B_SCANNED; |
splx(s); |
splx(s); |
/* |
/* |
|
|
*/ |
*/ |
nbp = LIST_FIRST(&vp->v_dirtyblkhd); |
nbp = LIST_FIRST(&vp->v_dirtyblkhd); |
} |
} |
if (skipmeta && !(ap->a_flags & FSYNC_DATAONLY)) { |
if (skipmeta) { |
skipmeta = 0; |
skipmeta = 0; |
goto loop; |
goto loop; |
} |
} |
if (ap->a_flags & FSYNC_WAIT) { |
if (ap->a_flags & FSYNC_WAIT) { |
|
simple_lock(&global_v_numoutput_slock); |
while (vp->v_numoutput) { |
while (vp->v_numoutput) { |
vp->v_flag |= VBWAIT; |
vp->v_flag |= VBWAIT; |
(void) tsleep(&vp->v_numoutput, PRIBIO + 1, |
(void) ltsleep(&vp->v_numoutput, PRIBIO + 1, |
"ffsfsync", 0); |
"ffsfsync", 0, &global_v_numoutput_slock); |
} |
} |
|
simple_unlock(&global_v_numoutput_slock); |
splx(s); |
splx(s); |
|
|
if (ap->a_flags & FSYNC_DATAONLY) |
/* |
return (0); |
|
|
|
/* |
|
* Ensure that any filesystem metadata associated |
* Ensure that any filesystem metadata associated |
* with the vnode has been written. |
* with the vnode has been written. |
*/ |
*/ |
|
|
} |
} |
} |
} |
splx(s); |
splx(s); |
return (VOP_UPDATE(vp, NULL, NULL, |
|
(ap->a_flags & FSYNC_WAIT) ? UPDATE_WAIT : 0)); |
if (inodedeps_only) |
|
waitfor = 0; |
|
else |
|
waitfor = (ap->a_flags & FSYNC_WAIT) ? UPDATE_WAIT : 0; |
|
error = ffs_update(vp, NULL, NULL, waitfor); |
|
|
|
if (error == 0 && ap->a_flags & FSYNC_CACHE) { |
|
int i = 0; |
|
VOP_IOCTL(VTOI(vp)->i_devvp, DIOCCACHESYNC, &i, FWRITE, |
|
ap->a_l->l_proc->p_cred, ap->a_l); |
|
} |
|
|
|
return error; |
} |
} |
|
|
/* |
/* |
* Reclaim an inode so that it can be used for other purposes. |
* Reclaim an inode so that it can be used for other purposes. |
*/ |
*/ |
int |
int |
ffs_reclaim(v) |
ffs_reclaim(void *v) |
void *v; |
|
{ |
{ |
struct vop_reclaim_args /* { |
struct vop_reclaim_args /* { |
struct vnode *a_vp; |
struct vnode *a_vp; |
struct proc *a_p; |
struct lwp *a_l; |
} */ *ap = v; |
} */ *ap = v; |
struct vnode *vp = ap->a_vp; |
struct vnode *vp = ap->a_vp; |
|
struct inode *ip = VTOI(vp); |
|
struct ufsmount *ump = ip->i_ump; |
int error; |
int error; |
|
|
if ((error = ufs_reclaim(vp, ap->a_p)) != 0) |
if ((error = ufs_reclaim(vp, ap->a_l)) != 0) |
return (error); |
return (error); |
|
if (ip->i_din.ffs1_din != NULL) { |
|
if (ump->um_fstype == UFS1) |
|
pool_put(&ffs_dinode1_pool, ip->i_din.ffs1_din); |
|
else |
|
pool_put(&ffs_dinode2_pool, ip->i_din.ffs2_din); |
|
} |
/* |
/* |
* XXX MFS ends up here, too, to free an inode. Should we create |
* XXX MFS ends up here, too, to free an inode. Should we create |
* XXX a separate pool for MFS inodes? |
* XXX a separate pool for MFS inodes? |
|
|
vp->v_data = NULL; |
vp->v_data = NULL; |
return (0); |
return (0); |
} |
} |
|
|
|
int |
|
ffs_getpages(void *v) |
|
{ |
|
struct vop_getpages_args /* { |
|
struct vnode *a_vp; |
|
voff_t a_offset; |
|
struct vm_page **a_m; |
|
int *a_count; |
|
int a_centeridx; |
|
vm_prot_t a_access_type; |
|
int a_advice; |
|
int a_flags; |
|
} */ *ap = v; |
|
struct vnode *vp = ap->a_vp; |
|
struct inode *ip = VTOI(vp); |
|
struct fs *fs = ip->i_fs; |
|
|
|
/* |
|
* don't allow a softdep write to create pages for only part of a block. |
|
* the dependency tracking requires that all pages be in memory for |
|
* a block involved in a dependency. |
|
*/ |
|
|
|
if (ap->a_flags & PGO_OVERWRITE && |
|
(blkoff(fs, ap->a_offset) != 0 || |
|
blkoff(fs, *ap->a_count << PAGE_SHIFT) != 0) && |
|
DOINGSOFTDEP(ap->a_vp)) { |
|
if ((ap->a_flags & PGO_LOCKED) == 0) { |
|
simple_unlock(&vp->v_interlock); |
|
} |
|
return EINVAL; |
|
} |
|
return genfs_getpages(v); |
|
} |
|
|
|
/* |
|
* Return the last logical file offset that should be written for this file |
|
* if we're doing a write that ends at "size". |
|
*/ |
|
|
|
void |
|
ffs_gop_size(struct vnode *vp, off_t size, off_t *eobp, int flags) |
|
{ |
|
struct inode *ip = VTOI(vp); |
|
struct fs *fs = ip->i_fs; |
|
daddr_t olbn, nlbn; |
|
|
|
olbn = lblkno(fs, ip->i_size); |
|
nlbn = lblkno(fs, size); |
|
if (nlbn < NDADDR && olbn <= nlbn) { |
|
*eobp = fragroundup(fs, size); |
|
} else { |
|
*eobp = blkroundup(fs, size); |
|
} |
|
} |
|
|
|
int |
|
ffs_openextattr(void *v) |
|
{ |
|
struct vop_openextattr_args /* { |
|
struct vnode *a_vp; |
|
kauth_cred_t a_cred; |
|
struct proc *a_p; |
|
} */ *ap = v; |
|
struct inode *ip = VTOI(ap->a_vp); |
|
struct fs *fs = ip->i_fs; |
|
|
|
/* Not supported for UFS1 file systems. */ |
|
if (fs->fs_magic == FS_UFS1_MAGIC) |
|
return (EOPNOTSUPP); |
|
|
|
/* XXX Not implemented for UFS2 file systems. */ |
|
return (EOPNOTSUPP); |
|
} |
|
|
|
int |
|
ffs_closeextattr(void *v) |
|
{ |
|
struct vop_closeextattr_args /* { |
|
struct vnode *a_vp; |
|
int a_commit; |
|
kauth_cred_t a_cred; |
|
struct proc *a_p; |
|
} */ *ap = v; |
|
struct inode *ip = VTOI(ap->a_vp); |
|
struct fs *fs = ip->i_fs; |
|
|
|
/* Not supported for UFS1 file systems. */ |
|
if (fs->fs_magic == FS_UFS1_MAGIC) |
|
return (EOPNOTSUPP); |
|
|
|
/* XXX Not implemented for UFS2 file systems. */ |
|
return (EOPNOTSUPP); |
|
} |
|
|
|
int |
|
ffs_getextattr(void *v) |
|
{ |
|
struct vop_getextattr_args /* { |
|
struct vnode *a_vp; |
|
int a_attrnamespace; |
|
const char *a_name; |
|
struct uio *a_uio; |
|
size_t *a_size; |
|
kauth_cred_t a_cred; |
|
struct proc *a_p; |
|
} */ *ap = v; |
|
struct inode *ip = VTOI(ap->a_vp); |
|
struct fs *fs = ip->i_fs; |
|
|
|
if (fs->fs_magic == FS_UFS1_MAGIC) { |
|
#ifdef UFS_EXTATTR |
|
return (ufs_getextattr(ap)); |
|
#else |
|
return (EOPNOTSUPP); |
|
#endif |
|
} |
|
|
|
/* XXX Not implemented for UFS2 file systems. */ |
|
return (EOPNOTSUPP); |
|
} |
|
|
|
int |
|
ffs_setextattr(void *v) |
|
{ |
|
struct vop_setextattr_args /* { |
|
struct vnode *a_vp; |
|
int a_attrnamespace; |
|
const char *a_name; |
|
struct uio *a_uio; |
|
kauth_cred_t a_cred; |
|
struct proc *a_p; |
|
} */ *ap = v; |
|
struct inode *ip = VTOI(ap->a_vp); |
|
struct fs *fs = ip->i_fs; |
|
|
|
if (fs->fs_magic == FS_UFS1_MAGIC) { |
|
#ifdef UFS_EXTATTR |
|
return (ufs_setextattr(ap)); |
|
#else |
|
return (EOPNOTSUPP); |
|
#endif |
|
} |
|
|
|
/* XXX Not implemented for UFS2 file systems. */ |
|
return (EOPNOTSUPP); |
|
} |
|
|
|
int |
|
ffs_listextattr(void *v) |
|
{ |
|
struct vop_listextattr_args /* { |
|
struct vnode *a_vp; |
|
int a_attrnamespace; |
|
struct uio *a_uio; |
|
size_t *a_size; |
|
kauth_cred_t a_cred; |
|
struct proc *a_p; |
|
} */ *ap = v; |
|
struct inode *ip = VTOI(ap->a_vp); |
|
struct fs *fs = ip->i_fs; |
|
|
|
/* Not supported for UFS1 file systems. */ |
|
if (fs->fs_magic == FS_UFS1_MAGIC) |
|
return (EOPNOTSUPP); |
|
|
|
/* XXX Not implemented for UFS2 file systems. */ |
|
return (EOPNOTSUPP); |
|
} |
|
|
|
int |
|
ffs_deleteextattr(void *v) |
|
{ |
|
struct vop_deleteextattr_args /* { |
|
struct vnode *a_vp; |
|
int a_attrnamespace; |
|
kauth_cred_t a_cred; |
|
struct proc *a_p; |
|
} */ *ap = v; |
|
struct inode *ip = VTOI(ap->a_vp); |
|
struct fs *fs = ip->i_fs; |
|
|
|
if (fs->fs_magic == FS_UFS1_MAGIC) { |
|
#ifdef UFS_EXTATTR |
|
return (ufs_deleteextattr(ap)); |
|
#else |
|
return (EOPNOTSUPP); |
|
#endif |
|
} |
|
|
|
/* XXX Not implemented for UFS2 file systems. */ |
|
return (EOPNOTSUPP); |
|
} |