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Code Issues Releases Activity

Revert 195703 and 195821 as this special stop handling in NFS is now

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implemented via VFCF_SBDRY rather than passing PBDRY to individual
sleep calls.
This commit is contained in:
John Baldwin 2013-03-13 21:06:03 +00:00
parent b4cd804a96
commit 3b14c753ff
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=248255
8 changed files with 17 additions and 28 deletions
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7
sys/fs/nfs/nfsport.h
View File

@ -981,13 +981,6 @@ struct nfsreq {
#define NFSVNO_DELEGOK(v) (1)
#endif
/*
* Define this as the flags argument for msleep() when catching signals
* while holding a resource that other threads would block for, such as
* a vnode lock.
*/
#define NFS_PCATCH (PCATCH | PBDRY)
#endif /* _KERNEL */
#endif /* _NFS_NFSPORT_H */

8
sys/fs/nfsclient/nfs_clbio.c
View File

@ -1297,7 +1297,7 @@ nfs_getcacheblk(struct vnode *vp, daddr_t bn, int size, struct thread *td)
sigset_t oldset;
newnfs_set_sigmask(td, &oldset);
bp = getblk(vp, bn, size, NFS_PCATCH, 0, 0);
bp = getblk(vp, bn, size, PCATCH, 0, 0);
newnfs_restore_sigmask(td, &oldset);
while (bp == NULL) {
if (newnfs_sigintr(nmp, td))
@ -1332,7 +1332,7 @@ ncl_vinvalbuf(struct vnode *vp, int flags, struct thread *td, int intrflg)
if ((nmp->nm_mountp->mnt_kern_flag & MNTK_UNMOUNTF))
intrflg = 1;
if (intrflg) {
slpflag = NFS_PCATCH;
slpflag = PCATCH;
slptimeo = 2 * hz;
} else {
slpflag = 0;
@ -1413,7 +1413,7 @@ ncl_asyncio(struct nfsmount *nmp, struct buf *bp, struct ucred *cred, struct thr
}
again:
if (nmp->nm_flag & NFSMNT_INT)
slpflag = NFS_PCATCH;
slpflag = PCATCH;
gotiod = FALSE;
/*
@ -1478,7 +1478,7 @@ ncl_asyncio(struct nfsmount *nmp, struct buf *bp, struct ucred *cred, struct thr
mtx_unlock(&ncl_iod_mutex);
return (error2);
}
if (slpflag == NFS_PCATCH) {
if (slpflag == PCATCH) {
slpflag = 0;
slptimeo = 2 * hz;
}

6
sys/fs/nfsclient/nfs_clvnops.c
View File

@ -2660,7 +2660,7 @@ ncl_flush(struct vnode *vp, int waitfor, struct ucred *cred, struct thread *td,
if (called_from_renewthread != 0)
slptimeo = hz;
if (nmp->nm_flag & NFSMNT_INT)
slpflag = NFS_PCATCH;
slpflag = PCATCH;
if (!commit)
passone = 0;
bo = &vp->v_bufobj;
@ -2866,7 +2866,7 @@ ncl_flush(struct vnode *vp, int waitfor, struct ucred *cred, struct thread *td,
error = EINTR;
goto done;
}
if (slpflag & PCATCH) {
if (slpflag == PCATCH) {
slpflag = 0;
slptimeo = 2 * hz;
}
@ -2912,7 +2912,7 @@ ncl_flush(struct vnode *vp, int waitfor, struct ucred *cred, struct thread *td,
error = newnfs_sigintr(nmp, td);
if (error)
goto done;
if (slpflag & PCATCH) {
if (slpflag == PCATCH) {
slpflag = 0;
slptimeo = 2 * hz;
}

8
sys/nfsclient/nfs_bio.c
View File

@ -1242,7 +1242,7 @@ nfs_getcacheblk(struct vnode *vp, daddr_t bn, int size, struct thread *td)
sigset_t oldset;
nfs_set_sigmask(td, &oldset);
bp = getblk(vp, bn, size, NFS_PCATCH, 0, 0);
bp = getblk(vp, bn, size, PCATCH, 0, 0);
nfs_restore_sigmask(td, &oldset);
while (bp == NULL) {
if (nfs_sigintr(nmp, td))
@ -1275,7 +1275,7 @@ nfs_vinvalbuf(struct vnode *vp, int flags, struct thread *td, int intrflg)
if ((nmp->nm_flag & NFSMNT_INT) == 0)
intrflg = 0;
if (intrflg) {
slpflag = NFS_PCATCH;
slpflag = PCATCH;
slptimeo = 2 * hz;
} else {
slpflag = 0;
@ -1354,7 +1354,7 @@ nfs_asyncio(struct nfsmount *nmp, struct buf *bp, struct ucred *cred, struct thr
}
again:
if (nmp->nm_flag & NFSMNT_INT)
slpflag = NFS_PCATCH;
slpflag = PCATCH;
gotiod = FALSE;
/*
@ -1419,7 +1419,7 @@ nfs_asyncio(struct nfsmount *nmp, struct buf *bp, struct ucred *cred, struct thr
mtx_unlock(&nfs_iod_mtx);
return (error2);
}
if (slpflag == NFS_PCATCH) {
if (slpflag == PCATCH) {
slpflag = 0;
slptimeo = 2 * hz;
}

6
sys/nfsclient/nfs_vnops.c
View File

@ -2992,7 +2992,7 @@ nfs_flush(struct vnode *vp, int waitfor, int commit)
int bvecsize = 0, bveccount;
if (nmp->nm_flag & NFSMNT_INT)
slpflag = NFS_PCATCH;
slpflag = PCATCH;
if (!commit)
passone = 0;
bo = &vp->v_bufobj;
@ -3190,7 +3190,7 @@ nfs_flush(struct vnode *vp, int waitfor, int commit)
error = EINTR;
goto done;
}
if (slpflag & PCATCH) {
if (slpflag == PCATCH) {
slpflag = 0;
slptimeo = 2 * hz;
}
@ -3228,7 +3228,7 @@ nfs_flush(struct vnode *vp, int waitfor, int commit)
error = nfs_sigintr(nmp, td);
if (error)
goto done;
if (slpflag & PCATCH) {
if (slpflag == PCATCH) {
slpflag = 0;
slptimeo = 2 * hz;
}

2
sys/nfsclient/nfsmount.h
View File

@ -125,8 +125,6 @@ struct nfsmount {
#define NFS_DEFAULT_NEGNAMETIMEO 60
#endif
#define NFS_PCATCH (PCATCH | PBDRY)
#endif
#endif

3
sys/rpc/clnt_rc.c
View File

@ -247,8 +247,7 @@ clnt_reconnect_call(
stat = clnt_reconnect_connect(cl);
if (stat == RPC_SYSTEMERROR) {
error = tsleep(&fake_wchan,
rc->rc_intr ? PCATCH | PBDRY : 0, "rpccon",
hz);
rc->rc_intr ? PCATCH : 0, "rpccon", hz);
if (error == EINTR || error == ERESTART)
return (RPC_INTR);
tries++;

5
sys/rpc/clnt_vc.c
View File

@ -162,7 +162,7 @@ clnt_vc_create(
interrupted = 0;
sleep_flag = PSOCK;
if (intrflag != 0)
sleep_flag |= (PCATCH | PBDRY);
sleep_flag |= PCATCH;
while ((so->so_state & SS_ISCONNECTING)
&& so->so_error == 0) {
error = msleep(&so->so_timeo, SOCK_MTX(so),
@ -470,7 +470,6 @@ clnt_vc_call(
errp->re_errno = error;
switch (error) {
case EINTR:
case ERESTART:
stat = RPC_INTR;
break;
case EWOULDBLOCK:
@ -704,7 +703,7 @@ clnt_vc_control(CLIENT *cl, u_int request, void *info)
case CLSET_INTERRUPTIBLE:
if (*(int *) info)
ct->ct_waitflag = PCATCH | PBDRY;
ct->ct_waitflag = PCATCH;
else
ct->ct_waitflag = 0;
break;