diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 17 | ||||
| -rw-r--r-- | fs/nfs/nfs4state.c | 4 |
2 files changed, 10 insertions, 11 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index c06a2bade59e..9da7a872ee0e 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -318,13 +318,14 @@ static void renew_lease(const struct nfs_server *server, unsigned long timestamp * so we need to scan down from highest_used_slotid to 0 looking for the now * highest slotid in use. * If none found, highest_used_slotid is set to -1. + * + * Must be called while holding tbl->slot_tbl_lock */ static void nfs4_free_slot(struct nfs4_slot_table *tbl, u8 free_slotid) { int slotid = free_slotid; - spin_lock(&tbl->slot_tbl_lock); /* clear used bit in bitmap */ __clear_bit(slotid, tbl->used_slots); @@ -336,7 +337,6 @@ nfs4_free_slot(struct nfs4_slot_table *tbl, u8 free_slotid) else tbl->highest_used_slotid = -1; } - spin_unlock(&tbl->slot_tbl_lock); dprintk("%s: free_slotid %u highest_used_slotid %d\n", __func__, free_slotid, tbl->highest_used_slotid); } @@ -351,22 +351,23 @@ static void nfs41_sequence_free_slot(const struct nfs_client *clp, /* just wake up the next guy waiting since * we may have not consumed a slot after all */ dprintk("%s: No slot\n", __func__); - } else { - nfs4_free_slot(tbl, res->sr_slotid); - res->sr_slotid = NFS4_MAX_SLOT_TABLE; + return; } + spin_lock(&tbl->slot_tbl_lock); + nfs4_free_slot(tbl, res->sr_slotid); + /* Signal state manager thread if session is drained */ if (test_bit(NFS4CLNT_SESSION_DRAINING, &clp->cl_state)) { - spin_lock(&tbl->slot_tbl_lock); if (tbl->highest_used_slotid == -1) { dprintk("%s COMPLETE: Session Drained\n", __func__); complete(&clp->cl_session->complete); } - spin_unlock(&tbl->slot_tbl_lock); } else { rpc_wake_up_next(&tbl->slot_tbl_waitq); } + spin_unlock(&tbl->slot_tbl_lock); + res->sr_slotid = NFS4_MAX_SLOT_TABLE; } static void nfs41_sequence_done(struct nfs_client *clp, @@ -470,7 +471,6 @@ static int nfs41_setup_sequence(struct nfs4_session *session, */ dprintk("%s Schedule Session Reset\n", __func__); rpc_sleep_on(&tbl->slot_tbl_waitq, task, NULL); - nfs4_schedule_state_manager(session->clp); spin_unlock(&tbl->slot_tbl_lock); return -EAGAIN; } @@ -4489,7 +4489,6 @@ static int nfs4_reset_slot_tables(struct nfs4_session *session) 1); if (status) return status; - init_completion(&session->complete); status = nfs4_reset_slot_table(&session->bc_slot_table, session->bc_attrs.max_reqs, diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 37f020eb92f2..ef9622e500e4 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1220,10 +1220,10 @@ static int nfs4_reset_session(struct nfs_client *clp) struct nfs4_slot_table *tbl = &ses->fc_slot_table; int status; - INIT_COMPLETION(ses->complete); spin_lock(&tbl->slot_tbl_lock); set_bit(NFS4CLNT_SESSION_DRAINING, &clp->cl_state); if (tbl->highest_used_slotid != -1) { + INIT_COMPLETION(ses->complete); spin_unlock(&tbl->slot_tbl_lock); status = wait_for_completion_interruptible(&ses->complete); if (status) /* -ERESTARTSYS */ @@ -1247,7 +1247,7 @@ static int nfs4_reset_session(struct nfs_client *clp) out: /* Wake up the next rpc task even on error */ clear_bit(NFS4CLNT_SESSION_DRAINING, &clp->cl_state); - rpc_wake_up_next(&clp->cl_session->fc_slot_table.slot_tbl_waitq); + rpc_wake_up(&clp->cl_session->fc_slot_table.slot_tbl_waitq); return status; } |