summaryrefslogtreecommitdiffstats
path: root/fs/nfs/nfs4proc.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c77
1 files changed, 49 insertions, 28 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index b2ff8c7a21..3a816c4a6d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3069,10 +3069,8 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
fmode_t acc_mode = _nfs4_ctx_to_accessmode(ctx);
struct inode *dir = d_inode(opendata->dir);
unsigned long dir_verifier;
- unsigned int seq;
int ret;
- seq = raw_seqcount_begin(&sp->so_reclaim_seqcount);
dir_verifier = nfs_save_change_attribute(dir);
ret = _nfs4_proc_open(opendata, ctx);
@@ -3125,11 +3123,8 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
if (ret != 0)
goto out;
- if (d_inode(dentry) == state->inode) {
+ if (d_inode(dentry) == state->inode)
nfs_inode_attach_open_context(ctx);
- if (read_seqcount_retry(&sp->so_reclaim_seqcount, seq))
- nfs4_schedule_stateid_recovery(server, state);
- }
out:
if (!opendata->cancelled) {
@@ -4028,6 +4023,23 @@ static void test_fs_location_for_trunking(struct nfs4_fs_location *location,
}
}
+static bool _is_same_nfs4_pathname(struct nfs4_pathname *path1,
+ struct nfs4_pathname *path2)
+{
+ int i;
+
+ if (path1->ncomponents != path2->ncomponents)
+ return false;
+ for (i = 0; i < path1->ncomponents; i++) {
+ if (path1->components[i].len != path2->components[i].len)
+ return false;
+ if (memcmp(path1->components[i].data, path2->components[i].data,
+ path1->components[i].len))
+ return false;
+ }
+ return true;
+}
+
static int _nfs4_discover_trunking(struct nfs_server *server,
struct nfs_fh *fhandle)
{
@@ -4061,9 +4073,13 @@ static int _nfs4_discover_trunking(struct nfs_server *server,
if (status)
goto out_free_3;
- for (i = 0; i < locations->nlocations; i++)
+ for (i = 0; i < locations->nlocations; i++) {
+ if (!_is_same_nfs4_pathname(&locations->fs_path,
+ &locations->locations[i].rootpath))
+ continue;
test_fs_location_for_trunking(&locations->locations[i], clp,
server);
+ }
out_free_3:
kfree(locations->fattr);
out_free_2:
@@ -5461,7 +5477,7 @@ static bool nfs4_read_plus_not_supported(struct rpc_task *task,
struct rpc_message *msg = &task->tk_msg;
if (msg->rpc_proc == &nfs4_procedures[NFSPROC4_CLNT_READ_PLUS] &&
- server->caps & NFS_CAP_READ_PLUS && task->tk_status == -ENOTSUPP) {
+ task->tk_status == -ENOTSUPP) {
server->caps &= ~NFS_CAP_READ_PLUS;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ];
rpc_restart_call_prepare(task);
@@ -6800,7 +6816,7 @@ static int _nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock
status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1);
switch (status) {
case 0:
- request->fl_type = F_UNLCK;
+ request->c.flc_type = F_UNLCK;
break;
case -NFS4ERR_DENIED:
status = 0;
@@ -7018,8 +7034,8 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl,
/* Ensure this is an unlock - when canceling a lock, the
* canceled lock is passed in, and it won't be an unlock.
*/
- fl->fl_type = F_UNLCK;
- if (fl->fl_flags & FL_CLOSE)
+ fl->c.flc_type = F_UNLCK;
+ if (fl->c.flc_flags & FL_CLOSE)
set_bit(NFS_CONTEXT_UNLOCK, &ctx->flags);
data = nfs4_alloc_unlockdata(fl, ctx, lsp, seqid);
@@ -7045,11 +7061,11 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *
struct rpc_task *task;
struct nfs_seqid *(*alloc_seqid)(struct nfs_seqid_counter *, gfp_t);
int status = 0;
- unsigned char fl_flags = request->fl_flags;
+ unsigned char saved_flags = request->c.flc_flags;
status = nfs4_set_lock_state(state, request);
/* Unlock _before_ we do the RPC call */
- request->fl_flags |= FL_EXISTS;
+ request->c.flc_flags |= FL_EXISTS;
/* Exclude nfs_delegation_claim_locks() */
mutex_lock(&sp->so_delegreturn_mutex);
/* Exclude nfs4_reclaim_open_stateid() - note nesting! */
@@ -7073,14 +7089,16 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *
status = -ENOMEM;
if (IS_ERR(seqid))
goto out;
- task = nfs4_do_unlck(request, nfs_file_open_context(request->fl_file), lsp, seqid);
+ task = nfs4_do_unlck(request,
+ nfs_file_open_context(request->c.flc_file),
+ lsp, seqid);
status = PTR_ERR(task);
if (IS_ERR(task))
goto out;
status = rpc_wait_for_completion_task(task);
rpc_put_task(task);
out:
- request->fl_flags = fl_flags;
+ request->c.flc_flags = saved_flags;
trace_nfs4_unlock(request, state, F_SETLK, status);
return status;
}
@@ -7191,7 +7209,7 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata)
renew_lease(NFS_SERVER(d_inode(data->ctx->dentry)),
data->timestamp);
if (data->arg.new_lock && !data->cancelled) {
- data->fl.fl_flags &= ~(FL_SLEEP | FL_ACCESS);
+ data->fl.c.flc_flags &= ~(FL_SLEEP | FL_ACCESS);
if (locks_lock_inode_wait(lsp->ls_state->inode, &data->fl) < 0)
goto out_restart;
}
@@ -7292,7 +7310,8 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
if (nfs_server_capable(state->inode, NFS_CAP_MOVEABLE))
task_setup_data.flags |= RPC_TASK_MOVEABLE;
- data = nfs4_alloc_lockdata(fl, nfs_file_open_context(fl->fl_file),
+ data = nfs4_alloc_lockdata(fl,
+ nfs_file_open_context(fl->c.flc_file),
fl->fl_u.nfs4_fl.owner, GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
@@ -7398,10 +7417,10 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock
{
struct nfs_inode *nfsi = NFS_I(state->inode);
struct nfs4_state_owner *sp = state->owner;
- unsigned char fl_flags = request->fl_flags;
+ unsigned char flags = request->c.flc_flags;
int status;
- request->fl_flags |= FL_ACCESS;
+ request->c.flc_flags |= FL_ACCESS;
status = locks_lock_inode_wait(state->inode, request);
if (status < 0)
goto out;
@@ -7410,7 +7429,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock
if (test_bit(NFS_DELEGATED_STATE, &state->flags)) {
/* Yes: cache locks! */
/* ...but avoid races with delegation recall... */
- request->fl_flags = fl_flags & ~FL_SLEEP;
+ request->c.flc_flags = flags & ~FL_SLEEP;
status = locks_lock_inode_wait(state->inode, request);
up_read(&nfsi->rwsem);
mutex_unlock(&sp->so_delegreturn_mutex);
@@ -7420,7 +7439,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock
mutex_unlock(&sp->so_delegreturn_mutex);
status = _nfs4_do_setlk(state, cmd, request, NFS_LOCK_NEW);
out:
- request->fl_flags = fl_flags;
+ request->c.flc_flags = flags;
return status;
}
@@ -7562,7 +7581,7 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request)
if (!(IS_SETLK(cmd) || IS_SETLKW(cmd)))
return -EINVAL;
- if (request->fl_type == F_UNLCK) {
+ if (lock_is_unlock(request)) {
if (state != NULL)
return nfs4_proc_unlck(state, cmd, request);
return 0;
@@ -7571,7 +7590,7 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request)
if (state == NULL)
return -ENOLCK;
- if ((request->fl_flags & FL_POSIX) &&
+ if ((request->c.flc_flags & FL_POSIX) &&
!test_bit(NFS_STATE_POSIX_LOCKS, &state->flags))
return -ENOLCK;
@@ -7579,7 +7598,7 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request)
* Don't rely on the VFS having checked the file open mode,
* since it won't do this for flock() locks.
*/
- switch (request->fl_type) {
+ switch (request->c.flc_type) {
case F_RDLCK:
if (!(filp->f_mode & FMODE_READ))
return -EBADF;
@@ -7601,7 +7620,7 @@ static int nfs4_delete_lease(struct file *file, void **priv)
return generic_setlease(file, F_UNLCK, NULL, priv);
}
-static int nfs4_add_lease(struct file *file, int arg, struct file_lock **lease,
+static int nfs4_add_lease(struct file *file, int arg, struct file_lease **lease,
void **priv)
{
struct inode *inode = file_inode(file);
@@ -7619,7 +7638,7 @@ static int nfs4_add_lease(struct file *file, int arg, struct file_lock **lease,
return -EAGAIN;
}
-int nfs4_proc_setlease(struct file *file, int arg, struct file_lock **lease,
+int nfs4_proc_setlease(struct file *file, int arg, struct file_lease **lease,
void **priv)
{
switch (arg) {
@@ -8970,10 +8989,12 @@ try_again:
return;
status = task->tk_status;
- if (status == 0)
+ if (status == 0) {
status = nfs4_detect_session_trunking(adata->clp,
task->tk_msg.rpc_resp, xprt);
-
+ trace_nfs4_trunked_exchange_id(adata->clp,
+ xprt->address_strings[RPC_DISPLAY_ADDR], status);
+ }
if (status == 0)
rpc_clnt_xprt_switch_add_xprt(clnt, xprt);
else if (status != -NFS4ERR_DELAY && rpc_clnt_xprt_switch_has_addr(clnt,
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-13 19:15:57 +0000