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NFSv4: If recovery failed for a specific open stateid, then don't retry

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Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2016-09-22 13:39:20 -04:00 committed by Anna Schumaker
parent 76e8a1bd14
commit 7ebeb7fe74
1 changed files with 11 additions and 7 deletions
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18
fs/nfs/nfs4state.c
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@ -991,6 +991,8 @@ int nfs4_select_rw_stateid(struct nfs4_state *state,
{
int ret;
if (!nfs4_valid_open_stateid(state))
return -EIO;
if (cred != NULL)
*cred = NULL;
ret = nfs4_copy_lock_stateid(dst, state, lockowner);
@ -1303,6 +1305,8 @@ void nfs4_schedule_path_down_recovery(struct nfs_client *clp)
static int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *state)
{
if (!nfs4_valid_open_stateid(state))
return 0;
set_bit(NFS_STATE_RECLAIM_REBOOT, &state->flags);
/* Don't recover state that expired before the reboot */
if (test_bit(NFS_STATE_RECLAIM_NOGRACE, &state->flags)) {
@ -1316,6 +1320,8 @@ static int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_st
int nfs4_state_mark_reclaim_nograce(struct nfs_client *clp, struct nfs4_state *state)
{
if (!nfs4_valid_open_stateid(state))
return 0;
set_bit(NFS_STATE_RECLAIM_NOGRACE, &state->flags);
clear_bit(NFS_STATE_RECLAIM_REBOOT, &state->flags);
set_bit(NFS_OWNER_RECLAIM_NOGRACE, &state->owner->so_flags);
@ -1327,9 +1333,8 @@ int nfs4_schedule_stateid_recovery(const struct nfs_server *server, struct nfs4_
{
struct nfs_client *clp = server->nfs_client;
if (!nfs4_valid_open_stateid(state))
if (!nfs4_state_mark_reclaim_nograce(clp, state))
return -EBADF;
nfs4_state_mark_reclaim_nograce(clp, state);
dprintk("%s: scheduling stateid recovery for server %s\n", __func__,
clp->cl_hostname);
nfs4_schedule_state_manager(clp);
@ -1380,15 +1385,14 @@ void nfs_inode_find_state_and_recover(struct inode *inode,
state = ctx->state;
if (state == NULL)
continue;
if (nfs4_stateid_match_other(&state->stateid, stateid)) {
nfs4_state_mark_reclaim_nograce(clp, state);
if (nfs4_stateid_match_other(&state->stateid, stateid) &&
nfs4_state_mark_reclaim_nograce(clp, state)) {
found = true;
continue;
}
if (nfs_state_lock_state_matches_stateid(state, stateid)) {
nfs4_state_mark_reclaim_nograce(clp, state);
if (nfs_state_lock_state_matches_stateid(state, stateid) &&
nfs4_state_mark_reclaim_nograce(clp, state))
found = true;
}
}
spin_unlock(&inode->i_lock);