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vfs: retire unused vn_seqc_write_begin_unheld*

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(cherry picked from commit 3cf75ca220)
This commit is contained in:
Mateusz Guzik 2021-05-29 04:26:19 +02:00
parent 666584a04d
commit b1203ecc7b
2 changed files with 4 additions and 23 deletions
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25
sys/kern/vfs_subr.c
View file

@ -6823,24 +6823,16 @@ vn_dir_check_exec(struct vnode *vp, struct componentname *cnp)
* Do not use this variant unless you have means other than the hold count
* to prevent the vnode from getting freed.
*/
void
vn_seqc_write_begin_unheld_locked(struct vnode *vp)
{
ASSERT_VI_LOCKED(vp, __func__);
VNPASS(vp->v_seqc_users >= 0, vp);
vp->v_seqc_users++;
if (vp->v_seqc_users == 1)
seqc_sleepable_write_begin(&vp->v_seqc);
}
void
vn_seqc_write_begin_locked(struct vnode *vp)
{
ASSERT_VI_LOCKED(vp, __func__);
VNPASS(vp->v_holdcnt > 0, vp);
vn_seqc_write_begin_unheld_locked(vp);
VNPASS(vp->v_seqc_users >= 0, vp);
vp->v_seqc_users++;
if (vp->v_seqc_users == 1)
seqc_sleepable_write_begin(&vp->v_seqc);
}
void
@ -6852,15 +6844,6 @@ vn_seqc_write_begin(struct vnode *vp)
VI_UNLOCK(vp);
}
void
vn_seqc_write_begin_unheld(struct vnode *vp)
{
VI_LOCK(vp);
vn_seqc_write_begin_unheld_locked(vp);
VI_UNLOCK(vp);
}
void
vn_seqc_write_end_locked(struct vnode *vp)
{

2
sys/sys/vnode.h
View file

@ -785,8 +785,6 @@ int vn_io_fault_uiomove(char *data, int xfersize, struct uio *uio);
int vn_io_fault_pgmove(vm_page_t ma[], vm_offset_t offset, int xfersize,
struct uio *uio);
void vn_seqc_write_begin_unheld_locked(struct vnode *vp);
void vn_seqc_write_begin_unheld(struct vnode *vp);
void vn_seqc_write_begin_locked(struct vnode *vp);
void vn_seqc_write_begin(struct vnode *vp);
void vn_seqc_write_end_locked(struct vnode *vp);