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Merge branch 'devel-for-2.6.31' into for-2.6.31

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Conflicts:
	fs/nfs/client.c
	fs/nfs/super.c
This commit is contained in:
Trond Myklebust
2009-06-17 18:13:00 -07:00
parent 301933a0ac 4bf259e3ae
commit 1f84603c09
18 changed files with 633 additions and 234 deletions
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37
fs/nfs/nfs4state.c
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@@ -853,32 +853,45 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_
struct file_lock *fl;
int status = 0;
if (inode->i_flock == NULL)
return 0;
/* Guard against delegation returns and new lock/unlock calls */
down_write(&nfsi->rwsem);
/* Protect inode->i_flock using the BKL */
lock_kernel();
for (fl = inode->i_flock; fl != NULL; fl = fl->fl_next) {
if (!(fl->fl_flags & (FL_POSIX|FL_FLOCK)))
continue;
if (nfs_file_open_context(fl->fl_file)->state != state)
continue;
unlock_kernel();
status = ops->recover_lock(state, fl);
if (status >= 0)
continue;
switch (status) {
case 0:
break;
case -ESTALE:
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_BAD_STATEID:
case -NFS4ERR_EXPIRED:
case -NFS4ERR_NO_GRACE:
case -NFS4ERR_STALE_CLIENTID:
goto out;
default:
printk(KERN_ERR "%s: unhandled error %d. Zeroing state\n",
__func__, status);
case -NFS4ERR_EXPIRED:
case -NFS4ERR_NO_GRACE:
case -ENOMEM:
case -NFS4ERR_DENIED:
case -NFS4ERR_RECLAIM_BAD:
case -NFS4ERR_RECLAIM_CONFLICT:
/* kill_proc(fl->fl_pid, SIGLOST, 1); */
break;
case -NFS4ERR_STALE_CLIENTID:
goto out_err;
status = 0;
}
lock_kernel();
}
up_write(&nfsi->rwsem);
return 0;
out_err:
unlock_kernel();
out:
up_write(&nfsi->rwsem);
return status;
}
@@ -924,6 +937,7 @@ restart:
printk(KERN_ERR "%s: unhandled error %d. Zeroing state\n",
__func__, status);
case -ENOENT:
case -ENOMEM:
case -ESTALE:
/*
* Open state on this file cannot be recovered
@@ -934,6 +948,9 @@ restart:
/* Mark the file as being 'closed' */
state->state = 0;
break;
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_BAD_STATEID:
case -NFS4ERR_RECLAIM_BAD:
case -NFS4ERR_RECLAIM_CONFLICT:
nfs4_state_mark_reclaim_nograce(sp->so_client, state);