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path: root/fs/nfsd/nfs4state.c
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Diffstat (limited to 'fs/nfsd/nfs4state.c')
-rw-r--r--fs/nfsd/nfs4state.c270
1 files changed, 156 insertions, 114 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a366fb1c1b9b..551d2958ec29 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -400,6 +400,7 @@ static const struct nfsd4_callback_ops nfsd4_cb_notify_lock_ops = {
.prepare = nfsd4_cb_notify_lock_prepare,
.done = nfsd4_cb_notify_lock_done,
.release = nfsd4_cb_notify_lock_release,
+ .opcode = OP_CB_NOTIFY_LOCK,
};
/*
@@ -1077,7 +1078,8 @@ static void nfs4_free_deleg(struct nfs4_stid *stid)
* When a delegation is recalled, the filehandle is stored in the "new"
* filter.
* Every 30 seconds we swap the filters and clear the "new" one,
- * unless both are empty of course.
+ * unless both are empty of course. This results in delegations for a
+ * given filehandle being blocked for between 30 and 60 seconds.
*
* Each filter is 256 bits. We hash the filehandle to 32bit and use the
* low 3 bytes as hash-table indices.
@@ -1106,9 +1108,9 @@ static int delegation_blocked(struct knfsd_fh *fh)
if (ktime_get_seconds() - bd->swap_time > 30) {
bd->entries -= bd->old_entries;
bd->old_entries = bd->entries;
+ bd->new = 1-bd->new;
memset(bd->set[bd->new], 0,
sizeof(bd->set[0]));
- bd->new = 1-bd->new;
bd->swap_time = ktime_get_seconds();
}
spin_unlock(&blocked_delegations_lock);
@@ -1357,21 +1359,47 @@ static void destroy_delegation(struct nfs4_delegation *dp)
destroy_unhashed_deleg(dp);
}
+/**
+ * revoke_delegation - perform nfs4 delegation structure cleanup
+ * @dp: pointer to the delegation
+ *
+ * This function assumes that it's called either from the administrative
+ * interface (nfsd4_revoke_states()) that's revoking a specific delegation
+ * stateid or it's called from a laundromat thread (nfsd4_landromat()) that
+ * determined that this specific state has expired and needs to be revoked
+ * (both mark state with the appropriate stid sc_status mode). It is also
+ * assumed that a reference was taken on the @dp state.
+ *
+ * If this function finds that the @dp state is SC_STATUS_FREED it means
+ * that a FREE_STATEID operation for this stateid has been processed and
+ * we can proceed to removing it from recalled list. However, if @dp state
+ * isn't marked SC_STATUS_FREED, it means we need place it on the cl_revoked
+ * list and wait for the FREE_STATEID to arrive from the client. At the same
+ * time, we need to mark it as SC_STATUS_FREEABLE to indicate to the
+ * nfsd4_free_stateid() function that this stateid has already been added
+ * to the cl_revoked list and that nfsd4_free_stateid() is now responsible
+ * for removing it from the list. Inspection of where the delegation state
+ * in the revocation process is protected by the clp->cl_lock.
+ */
static void revoke_delegation(struct nfs4_delegation *dp)
{
struct nfs4_client *clp = dp->dl_stid.sc_client;
WARN_ON(!list_empty(&dp->dl_recall_lru));
+ WARN_ON_ONCE(!(dp->dl_stid.sc_status &
+ (SC_STATUS_REVOKED | SC_STATUS_ADMIN_REVOKED)));
trace_nfsd_stid_revoke(&dp->dl_stid);
- if (dp->dl_stid.sc_status &
- (SC_STATUS_REVOKED | SC_STATUS_ADMIN_REVOKED)) {
- spin_lock(&clp->cl_lock);
- refcount_inc(&dp->dl_stid.sc_count);
- list_add(&dp->dl_recall_lru, &clp->cl_revoked);
- spin_unlock(&clp->cl_lock);
+ spin_lock(&clp->cl_lock);
+ if (dp->dl_stid.sc_status & SC_STATUS_FREED) {
+ list_del_init(&dp->dl_recall_lru);
+ goto out;
}
+ list_add(&dp->dl_recall_lru, &clp->cl_revoked);
+ dp->dl_stid.sc_status |= SC_STATUS_FREEABLE;
+out:
+ spin_unlock(&clp->cl_lock);
destroy_unhashed_deleg(dp);
}
@@ -1663,9 +1691,7 @@ static void release_openowner(struct nfs4_openowner *oo)
{
struct nfs4_ol_stateid *stp;
struct nfs4_client *clp = oo->oo_owner.so_client;
- struct list_head reaplist;
-
- INIT_LIST_HEAD(&reaplist);
+ LIST_HEAD(reaplist);
spin_lock(&clp->cl_lock);
unhash_openowner_locked(oo);
@@ -1780,6 +1806,7 @@ void nfsd4_revoke_states(struct net *net, struct super_block *sb)
mutex_unlock(&stp->st_mutex);
break;
case SC_TYPE_DELEG:
+ refcount_inc(&stid->sc_count);
dp = delegstateid(stid);
spin_lock(&state_lock);
if (!unhash_delegation_locked(
@@ -2369,9 +2396,8 @@ __destroy_client(struct nfs4_client *clp)
int i;
struct nfs4_openowner *oo;
struct nfs4_delegation *dp;
- struct list_head reaplist;
+ LIST_HEAD(reaplist);
- INIT_LIST_HEAD(&reaplist);
spin_lock(&state_lock);
while (!list_empty(&clp->cl_delegations)) {
dp = list_entry(clp->cl_delegations.next, struct nfs4_delegation, dl_perclnt);
@@ -2692,7 +2718,7 @@ static int client_info_show(struct seq_file *m, void *v)
clp->cl_nii_time.tv_sec, clp->cl_nii_time.tv_nsec);
}
seq_printf(m, "callback state: %s\n", cb_state2str(clp->cl_cb_state));
- seq_printf(m, "callback address: %pISpc\n", &clp->cl_cb_conn.cb_addr);
+ seq_printf(m, "callback address: \"%pISpc\"\n", &clp->cl_cb_conn.cb_addr);
seq_printf(m, "admin-revoked states: %d\n",
atomic_read(&clp->cl_admin_revoked));
drop_client(clp);
@@ -3059,7 +3085,10 @@ nfsd4_cb_getattr_done(struct nfsd4_callback *cb, struct rpc_task *task)
{
struct nfs4_cb_fattr *ncf =
container_of(cb, struct nfs4_cb_fattr, ncf_getattr);
+ struct nfs4_delegation *dp =
+ container_of(ncf, struct nfs4_delegation, dl_cb_fattr);
+ trace_nfsd_cb_getattr_done(&dp->dl_stid.sc_stateid, task);
ncf->ncf_cb_status = task->tk_status;
switch (task->tk_status) {
case -NFS4ERR_DELAY:
@@ -3078,19 +3107,20 @@ nfsd4_cb_getattr_release(struct nfsd4_callback *cb)
struct nfs4_delegation *dp =
container_of(ncf, struct nfs4_delegation, dl_cb_fattr);
- clear_bit(CB_GETATTR_BUSY, &ncf->ncf_cb_flags);
- wake_up_bit(&ncf->ncf_cb_flags, CB_GETATTR_BUSY);
+ clear_and_wake_up_bit(CB_GETATTR_BUSY, &ncf->ncf_cb_flags);
nfs4_put_stid(&dp->dl_stid);
}
static const struct nfsd4_callback_ops nfsd4_cb_recall_any_ops = {
.done = nfsd4_cb_recall_any_done,
.release = nfsd4_cb_recall_any_release,
+ .opcode = OP_CB_RECALL_ANY,
};
static const struct nfsd4_callback_ops nfsd4_cb_getattr_ops = {
.done = nfsd4_cb_getattr_done,
.release = nfsd4_cb_getattr_release,
+ .opcode = OP_CB_GETATTR,
};
static void nfs4_cb_getattr(struct nfs4_cb_fattr *ncf)
@@ -4704,6 +4734,7 @@ void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate)
if (so != NULL) {
cstate->replay_owner = NULL;
atomic_set(&so->so_replay.rp_locked, RP_UNLOCKED);
+ smp_mb__after_atomic();
wake_up_var(&so->so_replay.rp_locked);
nfs4_put_stateowner(so);
}
@@ -5004,6 +5035,7 @@ move_to_close_lru(struct nfs4_ol_stateid *s, struct net *net)
* so tell them to stop waiting.
*/
atomic_set(&oo->oo_owner.so_replay.rp_locked, RP_UNHASHED);
+ smp_mb__after_atomic();
wake_up_var(&oo->oo_owner.so_replay.rp_locked);
wait_event(close_wq, refcount_read(&s->st_stid.sc_count) == 2);
@@ -5218,6 +5250,7 @@ static const struct nfsd4_callback_ops nfsd4_cb_recall_ops = {
.prepare = nfsd4_cb_recall_prepare,
.done = nfsd4_cb_recall_done,
.release = nfsd4_cb_recall_release,
+ .opcode = OP_CB_RECALL,
};
static void nfsd_break_one_deleg(struct nfs4_delegation *dp)
@@ -5277,11 +5310,8 @@ static bool nfsd_breaker_owns_lease(struct file_lease *fl)
struct svc_rqst *rqst;
struct nfs4_client *clp;
- if (!i_am_nfsd())
- return false;
- rqst = kthread_data(current);
- /* Note rq_prog == NFS_ACL_PROGRAM is also possible: */
- if (rqst->rq_prog != NFS_PROGRAM || rqst->rq_vers < 4)
+ rqst = nfsd_current_rqst();
+ if (!nfsd_v4client(rqst))
return false;
clp = *(rqst->rq_lease_breaker);
return dl->dl_stid.sc_client == clp;
@@ -5859,7 +5889,7 @@ nfs4_set_delegation(struct nfsd4_open *open, struct nfs4_ol_stateid *stp,
/*
* Now that the deleg is set, check again to ensure that nothing
- * raced in and changed the mode while we weren't lookng.
+ * raced in and changed the mode while we weren't looking.
*/
status = nfsd4_verify_setuid_write(open, fp->fi_deleg_file);
if (status)
@@ -5912,6 +5942,28 @@ static void nfsd4_open_deleg_none_ext(struct nfsd4_open *open, int status)
}
}
+static bool
+nfs4_delegation_stat(struct nfs4_delegation *dp, struct svc_fh *currentfh,
+ struct kstat *stat)
+{
+ struct nfsd_file *nf = find_rw_file(dp->dl_stid.sc_file);
+ struct path path;
+ int rc;
+
+ if (!nf)
+ return false;
+
+ path.mnt = currentfh->fh_export->ex_path.mnt;
+ path.dentry = file_dentry(nf->nf_file);
+
+ rc = vfs_getattr(&path, stat,
+ (STATX_SIZE | STATX_CTIME | STATX_CHANGE_COOKIE),
+ AT_STATX_SYNC_AS_STAT);
+
+ nfsd_file_put(nf);
+ return rc == 0;
+}
+
/*
* The Linux NFS server does not offer write delegations to NFSv4.0
* clients in order to avoid conflicts between write delegations and
@@ -5947,7 +5999,6 @@ nfs4_open_delegation(struct nfsd4_open *open, struct nfs4_ol_stateid *stp,
int cb_up;
int status = 0;
struct kstat stat;
- struct path path;
cb_up = nfsd4_cb_channel_good(oo->oo_owner.so_client);
open->op_recall = false;
@@ -5983,20 +6034,16 @@ nfs4_open_delegation(struct nfsd4_open *open, struct nfs4_ol_stateid *stp,
memcpy(&open->op_delegate_stateid, &dp->dl_stid.sc_stateid, sizeof(dp->dl_stid.sc_stateid));
if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE) {
- open->op_delegate_type = NFS4_OPEN_DELEGATE_WRITE;
- trace_nfsd_deleg_write(&dp->dl_stid.sc_stateid);
- path.mnt = currentfh->fh_export->ex_path.mnt;
- path.dentry = currentfh->fh_dentry;
- if (vfs_getattr(&path, &stat,
- (STATX_SIZE | STATX_CTIME | STATX_CHANGE_COOKIE),
- AT_STATX_SYNC_AS_STAT)) {
+ if (!nfs4_delegation_stat(dp, currentfh, &stat)) {
nfs4_put_stid(&dp->dl_stid);
destroy_delegation(dp);
goto out_no_deleg;
}
+ open->op_delegate_type = NFS4_OPEN_DELEGATE_WRITE;
dp->dl_cb_fattr.ncf_cur_fsize = stat.size;
dp->dl_cb_fattr.ncf_initial_cinfo =
nfsd4_change_attribute(&stat, d_inode(currentfh->fh_dentry));
+ trace_nfsd_deleg_write(&dp->dl_stid.sc_stateid);
} else {
open->op_delegate_type = NFS4_OPEN_DELEGATE_READ;
trace_nfsd_deleg_read(&dp->dl_stid.sc_stateid);
@@ -6271,7 +6318,6 @@ void nfsd4_ssc_init_umount_work(struct nfsd_net *nn)
INIT_LIST_HEAD(&nn->nfsd_ssc_mount_list);
init_waitqueue_head(&nn->nfsd_ssc_waitq);
}
-EXPORT_SYMBOL_GPL(nfsd4_ssc_init_umount_work);
/*
* This is called when nfsd is being shutdown, after all inter_ssc
@@ -6526,6 +6572,7 @@ nfs4_laundromat(struct nfsd_net *nn)
dp = list_entry (pos, struct nfs4_delegation, dl_recall_lru);
if (!state_expired(&lt, dp->dl_time))
break;
+ refcount_inc(&dp->dl_stid.sc_count);
unhash_delegation_locked(dp, SC_STATUS_REVOKED);
list_add(&dp->dl_recall_lru, &reaplist);
}
@@ -6619,9 +6666,8 @@ deleg_reaper(struct nfsd_net *nn)
{
struct list_head *pos, *next;
struct nfs4_client *clp;
- struct list_head cblist;
+ LIST_HEAD(cblist);
- INIT_LIST_HEAD(&cblist);
spin_lock(&nn->client_lock);
list_for_each_safe(pos, next, &nn->client_lru) {
clp = list_entry(pos, struct nfs4_client, cl_lru);
@@ -6647,7 +6693,6 @@ deleg_reaper(struct nfsd_net *nn)
cl_ra_cblist);
list_del_init(&clp->cl_ra_cblist);
clp->cl_ra->ra_keep = 0;
- clp->cl_ra->ra_bmval[0] = BIT(RCA4_TYPE_MASK_RDATA_DLG);
clp->cl_ra->ra_bmval[0] = BIT(RCA4_TYPE_MASK_RDATA_DLG) |
BIT(RCA4_TYPE_MASK_WDATA_DLG);
trace_nfsd_cb_recall_any(clp->cl_ra);
@@ -6892,7 +6937,8 @@ nfs4_check_file(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfs4_stid *s,
nf = nfs4_find_file(s, flags);
if (nf) {
- status = nfsd_permission(rqstp, fhp->fh_export, fhp->fh_dentry,
+ status = nfsd_permission(&rqstp->rq_cred,
+ fhp->fh_export, fhp->fh_dentry,
acc | NFSD_MAY_OWNER_OVERRIDE);
if (status) {
nfsd_file_put(nf);
@@ -7023,11 +7069,7 @@ nfs4_preprocess_stateid_op(struct svc_rqst *rqstp,
*nfp = NULL;
if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) {
- if (cstid)
- status = nfserr_bad_stateid;
- else
- status = check_special_stateids(net, fhp, stateid,
- flags);
+ status = check_special_stateids(net, fhp, stateid, flags);
goto done;
}
@@ -7140,9 +7182,12 @@ nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
switch (s->sc_type) {
case SC_TYPE_DELEG:
if (s->sc_status & SC_STATUS_REVOKED) {
+ s->sc_status |= SC_STATUS_CLOSED;
spin_unlock(&s->sc_lock);
dp = delegstateid(s);
- list_del_init(&dp->dl_recall_lru);
+ if (s->sc_status & SC_STATUS_FREEABLE)
+ list_del_init(&dp->dl_recall_lru);
+ s->sc_status |= SC_STATUS_FREED;
spin_unlock(&cl->cl_lock);
nfs4_put_stid(s);
ret = nfs_ok;
@@ -7472,7 +7517,9 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
if ((status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0)))
return status;
- status = nfsd4_lookup_stateid(cstate, stateid, SC_TYPE_DELEG, 0, &s, nn);
+ status = nfsd4_lookup_stateid(cstate, stateid, SC_TYPE_DELEG,
+ SC_STATUS_REVOKED | SC_STATUS_FREEABLE,
+ &s, nn);
if (status)
goto out;
dp = delegstateid(s);
@@ -7481,8 +7528,9 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
goto put_stateid;
trace_nfsd_deleg_return(stateid);
- wake_up_var(d_inode(cstate->current_fh.fh_dentry));
destroy_delegation(dp);
+ smp_mb__after_atomic();
+ wake_up_var(d_inode(cstate->current_fh.fh_dentry));
put_stateid:
nfs4_put_stid(&dp->dl_stid);
out:
@@ -8338,7 +8386,7 @@ out:
* @cstate: NFSv4 COMPOUND state
* @u: RELEASE_LOCKOWNER arguments
*
- * Check if theree are any locks still held and if not - free the lockowner
+ * Check if there are any locks still held and if not, free the lockowner
* and any lock state that is owned.
*
* Return values:
@@ -8557,6 +8605,7 @@ static int nfs4_state_create_net(struct net *net)
spin_lock_init(&nn->client_lock);
spin_lock_init(&nn->s2s_cp_lock);
idr_init(&nn->s2s_cp_stateids);
+ atomic_set(&nn->pending_async_copies, 0);
spin_lock_init(&nn->blocked_locks_lock);
INIT_LIST_HEAD(&nn->blocked_locks_lru);
@@ -8667,7 +8716,7 @@ nfs4_state_shutdown_net(struct net *net)
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
shrinker_free(nn->nfsd_client_shrinker);
- cancel_work(&nn->nfsd_shrinker_work);
+ cancel_work_sync(&nn->nfsd_shrinker_work);
cancel_delayed_work_sync(&nn->laundromat_work);
locks_end_grace(&nn->nfsd4_manager);
@@ -8836,6 +8885,7 @@ nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct dentry *dentry,
__be32 status;
struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
struct file_lock_context *ctx;
+ struct nfs4_delegation *dp = NULL;
struct file_lease *fl;
struct iattr attrs;
struct nfs4_cb_fattr *ncf;
@@ -8845,84 +8895,76 @@ nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct dentry *dentry,
ctx = locks_inode_context(inode);
if (!ctx)
return 0;
+
+#define NON_NFSD_LEASE ((void *)1)
+
spin_lock(&ctx->flc_lock);
for_each_file_lock(fl, &ctx->flc_lease) {
- unsigned char type = fl->c.flc_type;
-
if (fl->c.flc_flags == FL_LAYOUT)
continue;
- if (fl->fl_lmops != &nfsd_lease_mng_ops) {
- /*
- * non-nfs lease, if it's a lease with F_RDLCK then
- * we are done; there isn't any write delegation
- * on this inode
- */
- if (type == F_RDLCK)
- break;
-
- nfsd_stats_wdeleg_getattr_inc(nn);
- spin_unlock(&ctx->flc_lock);
-
- status = nfserrno(nfsd_open_break_lease(inode, NFSD_MAY_READ));
+ if (fl->c.flc_type == F_WRLCK) {
+ if (fl->fl_lmops == &nfsd_lease_mng_ops)
+ dp = fl->c.flc_owner;
+ else
+ dp = NON_NFSD_LEASE;
+ }
+ break;
+ }
+ if (dp == NULL || dp == NON_NFSD_LEASE ||
+ dp->dl_recall.cb_clp == *(rqstp->rq_lease_breaker)) {
+ spin_unlock(&ctx->flc_lock);
+ if (dp == NON_NFSD_LEASE) {
+ status = nfserrno(nfsd_open_break_lease(inode,
+ NFSD_MAY_READ));
if (status != nfserr_jukebox ||
!nfsd_wait_for_delegreturn(rqstp, inode))
return status;
- return 0;
}
- if (type == F_WRLCK) {
- struct nfs4_delegation *dp = fl->c.flc_owner;
+ return 0;
+ }
- if (dp->dl_recall.cb_clp == *(rqstp->rq_lease_breaker)) {
- spin_unlock(&ctx->flc_lock);
- return 0;
- }
- nfsd_stats_wdeleg_getattr_inc(nn);
- dp = fl->c.flc_owner;
- refcount_inc(&dp->dl_stid.sc_count);
- ncf = &dp->dl_cb_fattr;
- nfs4_cb_getattr(&dp->dl_cb_fattr);
- spin_unlock(&ctx->flc_lock);
- wait_on_bit_timeout(&ncf->ncf_cb_flags, CB_GETATTR_BUSY,
- TASK_INTERRUPTIBLE, NFSD_CB_GETATTR_TIMEOUT);
- if (ncf->ncf_cb_status) {
- /* Recall delegation only if client didn't respond */
- status = nfserrno(nfsd_open_break_lease(inode, NFSD_MAY_READ));
- if (status != nfserr_jukebox ||
- !nfsd_wait_for_delegreturn(rqstp, inode)) {
- nfs4_put_stid(&dp->dl_stid);
- return status;
- }
- }
- if (!ncf->ncf_file_modified &&
- (ncf->ncf_initial_cinfo != ncf->ncf_cb_change ||
- ncf->ncf_cur_fsize != ncf->ncf_cb_fsize))
- ncf->ncf_file_modified = true;
- if (ncf->ncf_file_modified) {
- int err;
-
- /*
- * Per section 10.4.3 of RFC 8881, the server would
- * not update the file's metadata with the client's
- * modified size
- */
- attrs.ia_mtime = attrs.ia_ctime = current_time(inode);
- attrs.ia_valid = ATTR_MTIME | ATTR_CTIME | ATTR_DELEG;
- inode_lock(inode);
- err = notify_change(&nop_mnt_idmap, dentry, &attrs, NULL);
- inode_unlock(inode);
- if (err) {
- nfs4_put_stid(&dp->dl_stid);
- return nfserrno(err);
- }
- ncf->ncf_cur_fsize = ncf->ncf_cb_fsize;
- *size = ncf->ncf_cur_fsize;
- *modified = true;
- }
- nfs4_put_stid(&dp->dl_stid);
- return 0;
+ nfsd_stats_wdeleg_getattr_inc(nn);
+ refcount_inc(&dp->dl_stid.sc_count);
+ ncf = &dp->dl_cb_fattr;
+ nfs4_cb_getattr(&dp->dl_cb_fattr);
+ spin_unlock(&ctx->flc_lock);
+
+ wait_on_bit_timeout(&ncf->ncf_cb_flags, CB_GETATTR_BUSY,
+ TASK_INTERRUPTIBLE, NFSD_CB_GETATTR_TIMEOUT);
+ if (ncf->ncf_cb_status) {
+ /* Recall delegation only if client didn't respond */
+ status = nfserrno(nfsd_open_break_lease(inode, NFSD_MAY_READ));
+ if (status != nfserr_jukebox ||
+ !nfsd_wait_for_delegreturn(rqstp, inode))
+ goto out_status;
+ }
+ if (!ncf->ncf_file_modified &&
+ (ncf->ncf_initial_cinfo != ncf->ncf_cb_change ||
+ ncf->ncf_cur_fsize != ncf->ncf_cb_fsize))
+ ncf->ncf_file_modified = true;
+ if (ncf->ncf_file_modified) {
+ int err;
+
+ /*
+ * Per section 10.4.3 of RFC 8881, the server would
+ * not update the file's metadata with the client's
+ * modified size
+ */
+ attrs.ia_mtime = attrs.ia_ctime = current_time(inode);
+ attrs.ia_valid = ATTR_MTIME | ATTR_CTIME | ATTR_DELEG;
+ inode_lock(inode);
+ err = notify_change(&nop_mnt_idmap, dentry, &attrs, NULL);
+ inode_unlock(inode);
+ if (err) {
+ status = nfserrno(err);
+ goto out_status;
}
- break;
+ ncf->ncf_cur_fsize = ncf->ncf_cb_fsize;
+ *size = ncf->ncf_cur_fsize;
+ *modified = true;
}
- spin_unlock(&ctx->flc_lock);
- return 0;
+ status = 0;
+out_status:
+ nfs4_put_stid(&dp->dl_stid);
+ return status;
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-27 08:06:50 +0000