diff options
Diffstat (limited to 'freebsd/sys/sys/vnode.h')
| -rw-r--r-- | freebsd/sys/sys/vnode.h | 71 |
1 files changed, 65 insertions, 6 deletions
diff --git a/freebsd/sys/sys/vnode.h b/freebsd/sys/sys/vnode.h index 81f90bde..7c75adb4 100644 --- a/freebsd/sys/sys/vnode.h +++ b/freebsd/sys/sys/vnode.h @@ -59,6 +59,7 @@ enum vtype { VNON, VREG, VDIR, VBLK, VCHR, VLNK, VSOCK, VFIFO, VBAD, VMARKER }; +enum vgetstate { VGET_HOLDCNT, VGET_USECOUNT }; /* * Each underlying filesystem allocates its own private area and hangs * it from v_data. If non-null, this area is freed in getnewvnode(). @@ -170,7 +171,8 @@ struct vnode { u_int v_iflag; /* i vnode flags (see below) */ u_int v_vflag; /* v vnode flags */ u_int v_mflag; /* l mnt-specific vnode flags */ - int v_writecount; /* v ref count of writers */ + int v_writecount; /* I ref count of writers or + (negative) text users */ u_int v_hash; enum vtype v_type; /* u vnode type */ }; @@ -233,6 +235,7 @@ struct xvnode { * VI_DOOMED is doubly protected by the interlock and vnode lock. Both * are required for writing but the status may be checked with either. */ +#define VI_TEXT_REF 0x0001 /* Text ref grabbed use ref */ #define VI_MOUNT 0x0020 /* Mount in progress */ #define VI_DOOMED 0x0080 /* This vnode is being recycled */ #define VI_FREE 0x0100 /* This vnode is on the freelist */ @@ -245,7 +248,6 @@ struct xvnode { #define VV_NOSYNC 0x0004 /* unlinked, stop syncing */ #define VV_ETERNALDEV 0x0008 /* device that is never destroyed */ #define VV_CACHEDLABEL 0x0010 /* Vnode has valid cached MAC label */ -#define VV_TEXT 0x0020 /* vnode is a pure text prototype */ #define VV_COPYONWRITE 0x0040 /* vnode is doing copy-on-write */ #define VV_SYSTEM 0x0080 /* vnode being used by kernel */ #define VV_PROCDEP 0x0100 /* vnode is process dependent */ @@ -652,14 +654,18 @@ int vcount(struct vnode *vp); #define vdropl(vp) _vdrop((vp), 1) void _vdrop(struct vnode *, bool); int vflush(struct mount *mp, int rootrefs, int flags, struct thread *td); -int vget(struct vnode *vp, int lockflag, struct thread *td); +int vget(struct vnode *vp, int flags, struct thread *td); +enum vgetstate vget_prep(struct vnode *vp); +int vget_finish(struct vnode *vp, int flags, enum vgetstate vs); void vgone(struct vnode *vp); #define vhold(vp) _vhold((vp), 0) #define vholdl(vp) _vhold((vp), 1) void _vhold(struct vnode *, bool); +void vholdnz(struct vnode *); void vinactive(struct vnode *, struct thread *); int vinvalbuf(struct vnode *vp, int save, int slpflag, int slptimeo); -int vtruncbuf(struct vnode *vp, struct ucred *cred, off_t length, +int vtruncbuf(struct vnode *vp, off_t length, int blksize); +void v_inval_buf_range(struct vnode *vp, daddr_t startlbn, daddr_t endlbn, int blksize); void vunref(struct vnode *); void vn_printf(struct vnode *vp, const char *fmt, ...) __printflike(2,3); @@ -669,8 +675,18 @@ int vn_bmap_seekhole(struct vnode *vp, u_long cmd, off_t *off, struct ucred *cred); int vn_close(struct vnode *vp, int flags, struct ucred *file_cred, struct thread *td); +int vn_copy_file_range(struct vnode *invp, off_t *inoffp, + struct vnode *outvp, off_t *outoffp, size_t *lenp, + unsigned int flags, struct ucred *incred, struct ucred *outcred, + struct thread *fsize_td); void vn_finished_write(struct mount *mp); void vn_finished_secondary_write(struct mount *mp); +int vn_fsync_buf(struct vnode *vp, int waitfor); +int vn_generic_copy_file_range(struct vnode *invp, off_t *inoffp, + struct vnode *outvp, off_t *outoffp, size_t *lenp, + unsigned int flags, struct ucred *incred, struct ucred *outcred, + struct thread *fsize_td); +int vn_need_pageq_flush(struct vnode *vp); int vn_isdisk(struct vnode *vp, int *errp); int _vn_lock(struct vnode *vp, int flags, char *file, int line); #define vn_lock(vp, flags) _vn_lock(vp, flags, __FILE__, __LINE__) @@ -696,6 +712,8 @@ int vn_stat(struct vnode *vp, struct stat *sb, struct ucred *active_cred, int vn_start_write(struct vnode *vp, struct mount **mpp, int flags); int vn_start_secondary_write(struct vnode *vp, struct mount **mpp, int flags); +int vn_truncate_locked(struct vnode *vp, off_t length, bool sync, + struct ucred *cred); int vn_writechk(struct vnode *vp); int vn_extattr_get(struct vnode *vp, int ioflg, int attrnamespace, const char *attrname, int *buflen, char *buf, struct thread *td); @@ -721,8 +739,12 @@ int vn_io_fault_pgmove(vm_page_t ma[], vm_offset_t offset, int xfersize, VI_MTX(vp)) #define vn_rangelock_rlock(vp, start, end) \ rangelock_rlock(&(vp)->v_rl, (start), (end), VI_MTX(vp)) +#define vn_rangelock_tryrlock(vp, start, end) \ + rangelock_tryrlock(&(vp)->v_rl, (start), (end), VI_MTX(vp)) #define vn_rangelock_wlock(vp, start, end) \ rangelock_wlock(&(vp)->v_rl, (start), (end), VI_MTX(vp)) +#define vn_rangelock_trywlock(vp, start, end) \ + rangelock_trywlock(&(vp)->v_rl, (start), (end), VI_MTX(vp)) int vfs_cache_lookup(struct vop_lookup_args *ap); void vfs_timestamp(struct timespec *); @@ -736,6 +758,7 @@ int vop_stdfsync(struct vop_fsync_args *); int vop_stdgetwritemount(struct vop_getwritemount_args *); int vop_stdgetpages(struct vop_getpages_args *); int vop_stdinactive(struct vop_inactive_args *); +int vop_stdneed_inactive(struct vop_need_inactive_args *); int vop_stdislocked(struct vop_islocked_args *); int vop_stdkqfilter(struct vop_kqfilter_args *); int vop_stdlock(struct vop_lock1_args *); @@ -749,6 +772,7 @@ int vop_stdadvlock(struct vop_advlock_args *ap); int vop_stdadvlockasync(struct vop_advlockasync_args *ap); int vop_stdadvlockpurge(struct vop_advlockpurge_args *ap); int vop_stdallocate(struct vop_allocate_args *ap); +int vop_stdset_text(struct vop_set_text_args *ap); int vop_stdpathconf(struct vop_pathconf_args *); int vop_stdpoll(struct vop_poll_args *); int vop_stdvptocnp(struct vop_vptocnp_args *ap); @@ -793,14 +817,18 @@ int vop_sigdefer(struct vop_vector *vop, struct vop_generic_args *a); void vop_strategy_pre(void *a); void vop_lock_pre(void *a); void vop_lock_post(void *a, int rc); -void vop_unlock_post(void *a, int rc); void vop_unlock_pre(void *a); +void vop_unlock_post(void *a, int rc); +void vop_need_inactive_pre(void *a); +void vop_need_inactive_post(void *a, int rc); #else #define vop_strategy_pre(x) do { } while (0) #define vop_lock_pre(x) do { } while (0) #define vop_lock_post(x, y) do { } while (0) -#define vop_unlock_post(x, y) do { } while (0) #define vop_unlock_pre(x) do { } while (0) +#define vop_unlock_post(x, y) do { } while (0) +#define vop_need_inactive_pre(x) do { } while (0) +#define vop_need_inactive_post(x, y) do { } while (0) #endif void vop_rename_fail(struct vop_rename_args *ap); @@ -828,6 +856,36 @@ void vop_rename_fail(struct vop_rename_args *ap); #define VOP_LOCK(vp, flags) VOP_LOCK1(vp, flags, __FILE__, __LINE__) +#ifdef INVARIANTS +#define VOP_ADD_WRITECOUNT_CHECKED(vp, cnt) \ +do { \ + int error_; \ + \ + error_ = VOP_ADD_WRITECOUNT((vp), (cnt)); \ + VNASSERT(error_ == 0, (vp), ("VOP_ADD_WRITECOUNT returned %d", \ + error_)); \ +} while (0) +#define VOP_SET_TEXT_CHECKED(vp) \ +do { \ + int error_; \ + \ + error_ = VOP_SET_TEXT((vp)); \ + VNASSERT(error_ == 0, (vp), ("VOP_SET_TEXT returned %d", \ + error_)); \ +} while (0) +#define VOP_UNSET_TEXT_CHECKED(vp) \ +do { \ + int error_; \ + \ + error_ = VOP_UNSET_TEXT((vp)); \ + VNASSERT(error_ == 0, (vp), ("VOP_UNSET_TEXT returned %d", \ + error_)); \ +} while (0) +#else +#define VOP_ADD_WRITECOUNT_CHECKED(vp, cnt) VOP_ADD_WRITECOUNT((vp), (cnt)) +#define VOP_SET_TEXT_CHECKED(vp) VOP_SET_TEXT((vp)) +#define VOP_UNSET_TEXT_CHECKED(vp) VOP_UNSET_TEXT((vp)) +#endif void vput(struct vnode *vp); void vrele(struct vnode *vp); @@ -873,6 +931,7 @@ int vfs_kqfilter(struct vop_kqfilter_args *); void vfs_mark_atime(struct vnode *vp, struct ucred *cred); struct dirent; int vfs_read_dirent(struct vop_readdir_args *ap, struct dirent *dp, off_t off); +int vfs_emptydir(struct vnode *vp); int vfs_unixify_accmode(accmode_t *accmode); |