Commit 310810ae authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'nfs-for-4.18-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfix from Trond Myklebust:
 "Fix a NFSv4 file locking regression"

* tag 'nfs-for-4.18-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFSv4: Fix _nfs4_do_setlk()
parents 2ed7533c 6ea76bf5
...@@ -6466,34 +6466,34 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata) ...@@ -6466,34 +6466,34 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata)
if (data->arg.new_lock && !data->cancelled) { if (data->arg.new_lock && !data->cancelled) {
data->fl.fl_flags &= ~(FL_SLEEP | FL_ACCESS); data->fl.fl_flags &= ~(FL_SLEEP | FL_ACCESS);
if (locks_lock_inode_wait(lsp->ls_state->inode, &data->fl) < 0) if (locks_lock_inode_wait(lsp->ls_state->inode, &data->fl) < 0)
break; goto out_restart;
} }
if (data->arg.new_lock_owner != 0) { if (data->arg.new_lock_owner != 0) {
nfs_confirm_seqid(&lsp->ls_seqid, 0); nfs_confirm_seqid(&lsp->ls_seqid, 0);
nfs4_stateid_copy(&lsp->ls_stateid, &data->res.stateid); nfs4_stateid_copy(&lsp->ls_stateid, &data->res.stateid);
set_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags); set_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags);
goto out_done; } else if (!nfs4_update_lock_stateid(lsp, &data->res.stateid))
} else if (nfs4_update_lock_stateid(lsp, &data->res.stateid)) goto out_restart;
goto out_done;
break; break;
case -NFS4ERR_BAD_STATEID: case -NFS4ERR_BAD_STATEID:
case -NFS4ERR_OLD_STATEID: case -NFS4ERR_OLD_STATEID:
case -NFS4ERR_STALE_STATEID: case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_EXPIRED: case -NFS4ERR_EXPIRED:
if (data->arg.new_lock_owner != 0) { if (data->arg.new_lock_owner != 0) {
if (nfs4_stateid_match(&data->arg.open_stateid, if (!nfs4_stateid_match(&data->arg.open_stateid,
&lsp->ls_state->open_stateid)) &lsp->ls_state->open_stateid))
goto out_done; goto out_restart;
} else if (nfs4_stateid_match(&data->arg.lock_stateid, } else if (!nfs4_stateid_match(&data->arg.lock_stateid,
&lsp->ls_stateid)) &lsp->ls_stateid))
goto out_done; goto out_restart;
} }
if (!data->cancelled)
rpc_restart_call_prepare(task);
out_done: out_done:
dprintk("%s: done, ret = %d!\n", __func__, data->rpc_status); dprintk("%s: done, ret = %d!\n", __func__, data->rpc_status);
return;
out_restart:
if (!data->cancelled)
rpc_restart_call_prepare(task);
goto out_done;
} }
static void nfs4_lock_release(void *calldata) static void nfs4_lock_release(void *calldata)
...@@ -6502,7 +6502,7 @@ static void nfs4_lock_release(void *calldata) ...@@ -6502,7 +6502,7 @@ static void nfs4_lock_release(void *calldata)
dprintk("%s: begin!\n", __func__); dprintk("%s: begin!\n", __func__);
nfs_free_seqid(data->arg.open_seqid); nfs_free_seqid(data->arg.open_seqid);
if (data->cancelled) { if (data->cancelled && data->rpc_status == 0) {
struct rpc_task *task; struct rpc_task *task;
task = nfs4_do_unlck(&data->fl, data->ctx, data->lsp, task = nfs4_do_unlck(&data->fl, data->ctx, data->lsp,
data->arg.lock_seqid); data->arg.lock_seqid);
......
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