NFSv4: Convert the open and close ops to use fmode

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index d22eb38..1cf3920 100644 (file)
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -592,7 +592,7 @@ static void nfs_file_set_open_context(struct file *filp, struct nfs_open_context
 /*
  * Given an inode, search for an open context with the desired characteristics
  */
-struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, int mode)
+struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, fmode_t mode)
 {
        struct nfs_inode *nfsi = NFS_I(inode);
        struct nfs_open_context *pos, *ctx = NULL;

diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index ee5f51e..d5f5efa 100644 (file)
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -161,7 +161,7 @@ struct nfs4_state {
        unsigned int n_rdonly;          /* Number of read-only references */
        unsigned int n_wronly;          /* Number of write-only references */
        unsigned int n_rdwr;            /* Number of read/write references */
-       int state;                      /* State on the server (R,W, or RW) */
+       fmode_t state;                  /* State on the server (R,W, or RW) */
        atomic_t count;
 };
 
@@ -223,9 +223,9 @@ extern struct nfs4_state_owner * nfs4_get_state_owner(struct nfs_server *, struc
 extern void nfs4_put_state_owner(struct nfs4_state_owner *);
 extern struct nfs4_state * nfs4_get_open_state(struct inode *, struct nfs4_state_owner *);
 extern void nfs4_put_open_state(struct nfs4_state *);
-extern void nfs4_close_state(struct path *, struct nfs4_state *, mode_t);
-extern void nfs4_close_sync(struct path *, struct nfs4_state *, mode_t);
-extern void nfs4_state_set_mode_locked(struct nfs4_state *, mode_t);
+extern void nfs4_close_state(struct path *, struct nfs4_state *, fmode_t);
+extern void nfs4_close_sync(struct path *, struct nfs4_state *, fmode_t);
+extern void nfs4_state_set_mode_locked(struct nfs4_state *, fmode_t);
 extern void nfs4_schedule_state_recovery(struct nfs_client *);
 extern void nfs4_schedule_state_manager(struct nfs_client *);
 extern int nfs4_state_mark_reclaim_nograce(struct nfs_client *clp, struct nfs4_state *state);

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index fc0c9d2..e8df52d 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -323,7 +323,7 @@ static void nfs4_init_opendata_res(struct nfs4_opendata *p)
 }
 
 static struct nfs4_opendata *nfs4_opendata_alloc(struct path *path,
-               struct nfs4_state_owner *sp, int flags,
+               struct nfs4_state_owner *sp, fmode_t fmode, int flags,
                const struct iattr *attrs)
 {
        struct dentry *parent = dget_parent(path->dentry);
@@ -343,7 +343,8 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct path *path,
        p->owner = sp;
        atomic_inc(&sp->so_count);
        p->o_arg.fh = NFS_FH(dir);
-       p->o_arg.open_flags = flags,
+       p->o_arg.open_flags = flags;
+       p->o_arg.fmode = fmode & (FMODE_READ|FMODE_WRITE);
        p->o_arg.clientid = server->nfs_client->cl_clientid;
        p->o_arg.id = sp->so_owner_id.id;
        p->o_arg.name = &p->path.dentry->d_name;
@@ -399,10 +400,13 @@ static int nfs4_wait_for_completion_rpc_task(struct rpc_task *task)
        return ret;
 }
 
-static int can_open_cached(struct nfs4_state *state, int mode)
+static int can_open_cached(struct nfs4_state *state, fmode_t mode, int open_mode)
 {
        int ret = 0;
-       switch (mode & (FMODE_READ|FMODE_WRITE|O_EXCL)) {
+
+       if (open_mode & O_EXCL)
+               goto out;
+       switch (mode & (FMODE_READ|FMODE_WRITE)) {
                case FMODE_READ:
                        ret |= test_bit(NFS_O_RDONLY_STATE, &state->flags) != 0;
                        break;
@@ -412,12 +416,13 @@ static int can_open_cached(struct nfs4_state *state, int mode)
                case FMODE_READ|FMODE_WRITE:
                        ret |= test_bit(NFS_O_RDWR_STATE, &state->flags) != 0;
        }
+out:
        return ret;
 }
 
-static int can_open_delegated(struct nfs_delegation *delegation, mode_t open_flags)
+static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode)
 {
-       if ((delegation->type & open_flags) != open_flags)
+       if ((delegation->type & fmode) != fmode)
                return 0;
        if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))
                return 0;
@@ -425,9 +430,9 @@ static int can_open_delegated(struct nfs_delegation *delegation, mode_t open_fla
        return 1;
 }
 
-static void update_open_stateflags(struct nfs4_state *state, mode_t open_flags)
+static void update_open_stateflags(struct nfs4_state *state, fmode_t fmode)
 {
-       switch (open_flags) {
+       switch (fmode) {
                case FMODE_WRITE:
                        state->n_wronly++;
                        break;
@@ -437,15 +442,15 @@ static void update_open_stateflags(struct nfs4_state *state, mode_t open_flags)
                case FMODE_READ|FMODE_WRITE:
                        state->n_rdwr++;
        }
-       nfs4_state_set_mode_locked(state, state->state | open_flags);
+       nfs4_state_set_mode_locked(state, state->state | fmode);
 }
 
-static void nfs_set_open_stateid_locked(struct nfs4_state *state, nfs4_stateid *stateid, int open_flags)
+static void nfs_set_open_stateid_locked(struct nfs4_state *state, nfs4_stateid *stateid, fmode_t fmode)
 {
        if (test_bit(NFS_DELEGATED_STATE, &state->flags) == 0)
                memcpy(state->stateid.data, stateid->data, sizeof(state->stateid.data));
        memcpy(state->open_stateid.data, stateid->data, sizeof(state->open_stateid.data));
-       switch (open_flags) {
+       switch (fmode) {
                case FMODE_READ:
                        set_bit(NFS_O_RDONLY_STATE, &state->flags);
                        break;
@@ -457,14 +462,14 @@ static void nfs_set_open_stateid_locked(struct nfs4_state *state, nfs4_stateid *
        }
 }
 
-static void nfs_set_open_stateid(struct nfs4_state *state, nfs4_stateid *stateid, int open_flags)
+static void nfs_set_open_stateid(struct nfs4_state *state, nfs4_stateid *stateid, fmode_t fmode)
 {
        write_seqlock(&state->seqlock);
-       nfs_set_open_stateid_locked(state, stateid, open_flags);
+       nfs_set_open_stateid_locked(state, stateid, fmode);
        write_sequnlock(&state->seqlock);
 }
 
-static void __update_open_stateid(struct nfs4_state *state, nfs4_stateid *open_stateid, const nfs4_stateid *deleg_stateid, int open_flags)
+static void __update_open_stateid(struct nfs4_state *state, nfs4_stateid *open_stateid, const nfs4_stateid *deleg_stateid, fmode_t fmode)
 {
        /*
         * Protect the call to nfs4_state_set_mode_locked and
@@ -476,20 +481,20 @@ static void __update_open_stateid(struct nfs4_state *state, nfs4_stateid *open_s
                set_bit(NFS_DELEGATED_STATE, &state->flags);
        }
        if (open_stateid != NULL)
-               nfs_set_open_stateid_locked(state, open_stateid, open_flags);
+               nfs_set_open_stateid_locked(state, open_stateid, fmode);
        write_sequnlock(&state->seqlock);
        spin_lock(&state->owner->so_lock);
-       update_open_stateflags(state, open_flags);
+       update_open_stateflags(state, fmode);
        spin_unlock(&state->owner->so_lock);
 }
 
-static int update_open_stateid(struct nfs4_state *state, nfs4_stateid *open_stateid, nfs4_stateid *delegation, int open_flags)
+static int update_open_stateid(struct nfs4_state *state, nfs4_stateid *open_stateid, nfs4_stateid *delegation, fmode_t fmode)
 {
        struct nfs_inode *nfsi = NFS_I(state->inode);
        struct nfs_delegation *deleg_cur;
        int ret = 0;
 
-       open_flags &= (FMODE_READ|FMODE_WRITE);
+       fmode &= (FMODE_READ|FMODE_WRITE);
 
        rcu_read_lock();
        deleg_cur = rcu_dereference(nfsi->delegation);
@@ -498,7 +503,7 @@ static int update_open_stateid(struct nfs4_state *state, nfs4_stateid *open_stat
 
        spin_lock(&deleg_cur->lock);
        if (nfsi->delegation != deleg_cur ||
-           (deleg_cur->type & open_flags) != open_flags)
+           (deleg_cur->type & fmode) != fmode)
                goto no_delegation_unlock;
 
        if (delegation == NULL)
@@ -507,7 +512,7 @@ static int update_open_stateid(struct nfs4_state *state, nfs4_stateid *open_stat
                goto no_delegation_unlock;
 
        nfs_mark_delegation_referenced(deleg_cur);
-       __update_open_stateid(state, open_stateid, &deleg_cur->stateid, open_flags);
+       __update_open_stateid(state, open_stateid, &deleg_cur->stateid, fmode);
        ret = 1;
 no_delegation_unlock:
        spin_unlock(&deleg_cur->lock);
@@ -515,7 +520,7 @@ no_delegation:
        rcu_read_unlock();
 
        if (!ret && open_stateid != NULL) {
-               __update_open_stateid(state, open_stateid, NULL, open_flags);
+               __update_open_stateid(state, open_stateid, NULL, fmode);
                ret = 1;
        }
 
@@ -523,13 +528,13 @@ no_delegation:
 }
 
 
-static void nfs4_return_incompatible_delegation(struct inode *inode, mode_t open_flags)
+static void nfs4_return_incompatible_delegation(struct inode *inode, fmode_t fmode)
 {
        struct nfs_delegation *delegation;
 
        rcu_read_lock();
        delegation = rcu_dereference(NFS_I(inode)->delegation);
-       if (delegation == NULL || (delegation->type & open_flags) == open_flags) {
+       if (delegation == NULL || (delegation->type & fmode) == fmode) {
                rcu_read_unlock();
                return;
        }
@@ -542,15 +547,16 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
        struct nfs4_state *state = opendata->state;
        struct nfs_inode *nfsi = NFS_I(state->inode);
        struct nfs_delegation *delegation;
-       int open_mode = opendata->o_arg.open_flags & (FMODE_READ|FMODE_WRITE|O_EXCL);
+       int open_mode = opendata->o_arg.open_flags & O_EXCL;
+       fmode_t fmode = opendata->o_arg.fmode;
        nfs4_stateid stateid;
        int ret = -EAGAIN;
 
        for (;;) {
-               if (can_open_cached(state, open_mode)) {
+               if (can_open_cached(state, fmode, open_mode)) {
                        spin_lock(&state->owner->so_lock);
-                       if (can_open_cached(state, open_mode)) {
-                               update_open_stateflags(state, open_mode);
+                       if (can_open_cached(state, fmode, open_mode)) {
+                               update_open_stateflags(state, fmode);
                                spin_unlock(&state->owner->so_lock);
                                goto out_return_state;
                        }
@@ -559,7 +565,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
                rcu_read_lock();
                delegation = rcu_dereference(nfsi->delegation);
                if (delegation == NULL ||
-                   !can_open_delegated(delegation, open_mode)) {
+                   !can_open_delegated(delegation, fmode)) {
                        rcu_read_unlock();
                        break;
                }
@@ -572,7 +578,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
                ret = -EAGAIN;
 
                /* Try to update the stateid using the delegation */
-               if (update_open_stateid(state, NULL, &stateid, open_mode))
+               if (update_open_stateid(state, NULL, &stateid, fmode))
                        goto out_return_state;
        }
 out:
@@ -624,7 +630,7 @@ static struct nfs4_state *nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data
        }
 
        update_open_stateid(state, &data->o_res.stateid, NULL,
-                       data->o_arg.open_flags);
+                       data->o_arg.fmode);
        iput(inode);
 out:
        return state;
@@ -655,7 +661,7 @@ static struct nfs4_opendata *nfs4_open_recoverdata_alloc(struct nfs_open_context
 {
        struct nfs4_opendata *opendata;
 
-       opendata = nfs4_opendata_alloc(&ctx->path, state->owner, 0, NULL);
+       opendata = nfs4_opendata_alloc(&ctx->path, state->owner, 0, 0, NULL);
        if (opendata == NULL)
                return ERR_PTR(-ENOMEM);
        opendata->state = state;
@@ -663,12 +669,13 @@ static struct nfs4_opendata *nfs4_open_recoverdata_alloc(struct nfs_open_context
        return opendata;
 }
 
-static int nfs4_open_recover_helper(struct nfs4_opendata *opendata, mode_t openflags, struct nfs4_state **res)
+static int nfs4_open_recover_helper(struct nfs4_opendata *opendata, fmode_t fmode, struct nfs4_state **res)
 {
        struct nfs4_state *newstate;
        int ret;
 
-       opendata->o_arg.open_flags = openflags;
+       opendata->o_arg.open_flags = 0;
+       opendata->o_arg.fmode = fmode;
        memset(&opendata->o_res, 0, sizeof(opendata->o_res));
        memset(&opendata->c_res, 0, sizeof(opendata->c_res));
        nfs4_init_opendata_res(opendata);
@@ -678,7 +685,7 @@ static int nfs4_open_recover_helper(struct nfs4_opendata *opendata, mode_t openf
        newstate = nfs4_opendata_to_nfs4_state(opendata);
        if (IS_ERR(newstate))
                return PTR_ERR(newstate);
-       nfs4_close_state(&opendata->path, newstate, openflags);
+       nfs4_close_state(&opendata->path, newstate, fmode);
        *res = newstate;
        return 0;
 }
@@ -734,7 +741,7 @@ static int _nfs4_do_open_reclaim(struct nfs_open_context *ctx, struct nfs4_state
 {
        struct nfs_delegation *delegation;
        struct nfs4_opendata *opendata;
-       int delegation_type = 0;
+       fmode_t delegation_type = 0;
        int status;
 
        opendata = nfs4_open_recoverdata_alloc(ctx, state);
@@ -847,7 +854,7 @@ static void nfs4_open_confirm_release(void *calldata)
                goto out_free;
        state = nfs4_opendata_to_nfs4_state(data);
        if (!IS_ERR(state))
-               nfs4_close_state(&data->path, state, data->o_arg.open_flags);
+               nfs4_close_state(&data->path, state, data->o_arg.fmode);
 out_free:
        nfs4_opendata_put(data);
 }
@@ -911,7 +918,7 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
        if (data->state != NULL) {
                struct nfs_delegation *delegation;
 
-               if (can_open_cached(data->state, data->o_arg.open_flags & (FMODE_READ|FMODE_WRITE|O_EXCL)))
+               if (can_open_cached(data->state, data->o_arg.fmode, data->o_arg.open_flags))
                        goto out_no_action;
                rcu_read_lock();
                delegation = rcu_dereference(NFS_I(data->state->inode)->delegation);
@@ -980,7 +987,7 @@ static void nfs4_open_release(void *calldata)
                goto out_free;
        state = nfs4_opendata_to_nfs4_state(data);
        if (!IS_ERR(state))
-               nfs4_close_state(&data->path, state, data->o_arg.open_flags);
+               nfs4_close_state(&data->path, state, data->o_arg.fmode);
 out_free:
        nfs4_opendata_put(data);
 }
@@ -1135,7 +1142,7 @@ static inline void nfs4_exclusive_attrset(struct nfs4_opendata *opendata, struct
 /*
  * Returns a referenced nfs4_state
  */
-static int _nfs4_do_open(struct inode *dir, struct path *path, int flags, struct iattr *sattr, struct rpc_cred *cred, struct nfs4_state **res)
+static int _nfs4_do_open(struct inode *dir, struct path *path, fmode_t fmode, int flags, struct iattr *sattr, struct rpc_cred *cred, struct nfs4_state **res)
 {
        struct nfs4_state_owner  *sp;
        struct nfs4_state     *state = NULL;
@@ -1153,9 +1160,9 @@ static int _nfs4_do_open(struct inode *dir, struct path *path, int flags, struct
        if (status != 0)
                goto err_put_state_owner;
        if (path->dentry->d_inode != NULL)
-               nfs4_return_incompatible_delegation(path->dentry->d_inode, flags & (FMODE_READ|FMODE_WRITE));
+               nfs4_return_incompatible_delegation(path->dentry->d_inode, fmode);
        status = -ENOMEM;
-       opendata = nfs4_opendata_alloc(path, sp, flags, sattr);
+       opendata = nfs4_opendata_alloc(path, sp, fmode, flags, sattr);
        if (opendata == NULL)
                goto err_put_state_owner;
 
@@ -1187,14 +1194,14 @@ out_err:
 }
 
 
-static struct nfs4_state *nfs4_do_open(struct inode *dir, struct path *path, int flags, struct iattr *sattr, struct rpc_cred *cred)
+static struct nfs4_state *nfs4_do_open(struct inode *dir, struct path *path, fmode_t fmode, int flags, struct iattr *sattr, struct rpc_cred *cred)
 {
        struct nfs4_exception exception = { };
        struct nfs4_state *res;
        int status;
 
        do {
-               status = _nfs4_do_open(dir, path, flags, sattr, cred, &res);
+               status = _nfs4_do_open(dir, path, fmode, flags, sattr, cred, &res);
                if (status == 0)
                        break;
                /* NOTE: BAD_SEQID means the server and client disagree about the
@@ -1332,7 +1339,7 @@ static void nfs4_close_done(struct rpc_task *task, void *data)
                case -NFS4ERR_OLD_STATEID:
                case -NFS4ERR_BAD_STATEID:
                case -NFS4ERR_EXPIRED:
-                       if (calldata->arg.open_flags == 0)
+                       if (calldata->arg.fmode == 0)
                                break;
                default:
                        if (nfs4_async_handle_error(task, server, state) == -EAGAIN) {
@@ -1374,10 +1381,10 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data)
        nfs_fattr_init(calldata->res.fattr);
        if (test_bit(NFS_O_RDONLY_STATE, &state->flags) != 0) {
                task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_DOWNGRADE];
-               calldata->arg.open_flags = FMODE_READ;
+               calldata->arg.fmode = FMODE_READ;
        } else if (test_bit(NFS_O_WRONLY_STATE, &state->flags) != 0) {
                task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_DOWNGRADE];
-               calldata->arg.open_flags = FMODE_WRITE;
+               calldata->arg.fmode = FMODE_WRITE;
        }
        calldata->timestamp = jiffies;
        rpc_call_start(task);
@@ -1430,7 +1437,7 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait)
        calldata->arg.seqid = nfs_alloc_seqid(&state->owner->so_seqid);
        if (calldata->arg.seqid == NULL)
                goto out_free_calldata;
-       calldata->arg.open_flags = 0;
+       calldata->arg.fmode = 0;
        calldata->arg.bitmask = server->attr_bitmask;
        calldata->res.fattr = &calldata->fattr;
        calldata->res.seqid = calldata->arg.seqid;
@@ -1457,13 +1464,13 @@ out:
        return status;
 }
 
-static int nfs4_intent_set_file(struct nameidata *nd, struct path *path, struct nfs4_state *state)
+static int nfs4_intent_set_file(struct nameidata *nd, struct path *path, struct nfs4_state *state, fmode_t fmode)
 {
        struct file *filp;
        int ret;
 
        /* If the open_intent is for execute, we have an extra check to make */
-       if (nd->intent.open.flags & FMODE_EXEC) {
+       if (fmode & FMODE_EXEC) {
                ret = nfs_may_open(state->inode,
                                state->owner->so_cred,
                                nd->intent.open.flags);
@@ -1479,7 +1486,7 @@ static int nfs4_intent_set_file(struct nameidata *nd, struct path *path, struct
        }
        ret = PTR_ERR(filp);
 out_close:
-       nfs4_close_sync(path, state, nd->intent.open.flags);
+       nfs4_close_sync(path, state, fmode & (FMODE_READ|FMODE_WRITE));
        return ret;
 }
 
@@ -1495,6 +1502,7 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
        struct rpc_cred *cred;
        struct nfs4_state *state;
        struct dentry *res;
+       fmode_t fmode = nd->intent.open.flags & (FMODE_READ | FMODE_WRITE | FMODE_EXEC);
 
        if (nd->flags & LOOKUP_CREATE) {
                attr.ia_mode = nd->intent.open.create_mode;
@@ -1512,7 +1520,7 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
        parent = dentry->d_parent;
        /* Protect against concurrent sillydeletes */
        nfs_block_sillyrename(parent);
-       state = nfs4_do_open(dir, &path, nd->intent.open.flags, &attr, cred);
+       state = nfs4_do_open(dir, &path, fmode, nd->intent.open.flags, &attr, cred);
        put_rpccred(cred);
        if (IS_ERR(state)) {
                if (PTR_ERR(state) == -ENOENT) {
@@ -1527,7 +1535,7 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
                path.dentry = res;
        nfs_set_verifier(path.dentry, nfs_save_change_attribute(dir));
        nfs_unblock_sillyrename(parent);
-       nfs4_intent_set_file(nd, &path, state);
+       nfs4_intent_set_file(nd, &path, state, fmode);
        return res;
 }
 
@@ -1540,11 +1548,12 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st
        };
        struct rpc_cred *cred;
        struct nfs4_state *state;
+       fmode_t fmode = openflags & (FMODE_READ | FMODE_WRITE);
 
        cred = rpc_lookup_cred();
        if (IS_ERR(cred))
                return PTR_ERR(cred);
-       state = nfs4_do_open(dir, &path, openflags, NULL, cred);
+       state = nfs4_do_open(dir, &path, fmode, openflags, NULL, cred);
        put_rpccred(cred);
        if (IS_ERR(state)) {
                switch (PTR_ERR(state)) {
@@ -1561,10 +1570,10 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st
        }
        if (state->inode == dentry->d_inode) {
                nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
-               nfs4_intent_set_file(nd, &path, state);
+               nfs4_intent_set_file(nd, &path, state, fmode);
                return 1;
        }
-       nfs4_close_sync(&path, state, openflags);
+       nfs4_close_sync(&path, state, fmode);
 out_drop:
        d_drop(dentry);
        return 0;
@@ -1990,6 +1999,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
        };
        struct nfs4_state *state;
        struct rpc_cred *cred;
+       fmode_t fmode = flags & (FMODE_READ | FMODE_WRITE);
        int status = 0;
 
        cred = rpc_lookup_cred();
@@ -1997,7 +2007,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
                status = PTR_ERR(cred);
                goto out;
        }
-       state = nfs4_do_open(dir, &path, flags, sattr, cred);
+       state = nfs4_do_open(dir, &path, fmode, flags, sattr, cred);
        d_drop(dentry);
        if (IS_ERR(state)) {
                status = PTR_ERR(state);
@@ -2013,9 +2023,9 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
                nfs_post_op_update_inode(state->inode, &fattr);
        }
        if (status == 0 && (nd->flags & LOOKUP_OPEN) != 0)
-               status = nfs4_intent_set_file(nd, &path, state);
+               status = nfs4_intent_set_file(nd, &path, state, fmode);
        else
-               nfs4_close_sync(&path, state, flags);
+               nfs4_close_sync(&path, state, fmode);
 out_putcred:
        put_rpccred(cred);
 out:

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index cd16b30..2022fe4 100644 (file)
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -363,18 +363,18 @@ nfs4_alloc_open_state(void)
 }
 
 void
-nfs4_state_set_mode_locked(struct nfs4_state *state, mode_t mode)
+nfs4_state_set_mode_locked(struct nfs4_state *state, fmode_t fmode)
 {
-       if (state->state == mode)
+       if (state->state == fmode)
                return;
        /* NB! List reordering - see the reclaim code for why.  */
-       if ((mode & FMODE_WRITE) != (state->state & FMODE_WRITE)) {
-               if (mode & FMODE_WRITE)
+       if ((fmode & FMODE_WRITE) != (state->state & FMODE_WRITE)) {
+               if (fmode & FMODE_WRITE)
                        list_move(&state->open_states, &state->owner->so_states);
                else
                        list_move_tail(&state->open_states, &state->owner->so_states);
        }
-       state->state = mode;
+       state->state = fmode;
 }
 
 static struct nfs4_state *
@@ -454,16 +454,16 @@ void nfs4_put_open_state(struct nfs4_state *state)
 /*
  * Close the current file.
  */
-static void __nfs4_close(struct path *path, struct nfs4_state *state, mode_t mode, int wait)
+static void __nfs4_close(struct path *path, struct nfs4_state *state, fmode_t fmode, int wait)
 {
        struct nfs4_state_owner *owner = state->owner;
        int call_close = 0;
-       int newstate;
+       fmode_t newstate;
 
        atomic_inc(&owner->so_count);
        /* Protect against nfs4_find_state() */
        spin_lock(&owner->so_lock);
-       switch (mode & (FMODE_READ | FMODE_WRITE)) {
+       switch (fmode & (FMODE_READ | FMODE_WRITE)) {
                case FMODE_READ:
                        state->n_rdonly--;
                        break;
@@ -498,14 +498,14 @@ static void __nfs4_close(struct path *path, struct nfs4_state *state, mode_t mod
                nfs4_do_close(path, state, wait);
 }
 
-void nfs4_close_state(struct path *path, struct nfs4_state *state, mode_t mode)
+void nfs4_close_state(struct path *path, struct nfs4_state *state, fmode_t fmode)
 {
-       __nfs4_close(path, state, mode, 0);
+       __nfs4_close(path, state, fmode, 0);
 }
 
-void nfs4_close_sync(struct path *path, struct nfs4_state *state, mode_t mode)
+void nfs4_close_sync(struct path *path, struct nfs4_state *state, fmode_t fmode)
 {
-       __nfs4_close(path, state, mode, 1);
+       __nfs4_close(path, state, fmode, 1);
 }
 
 /*

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 879911c..d8ddfc5 100644 (file)
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -953,12 +953,12 @@ static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name)
        return 0;
 }
 
-static void encode_share_access(struct xdr_stream *xdr, int open_flags)
+static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode)
 {
        __be32 *p;
 
        RESERVE_SPACE(8);
-       switch (open_flags & (FMODE_READ|FMODE_WRITE)) {
+       switch (fmode & (FMODE_READ|FMODE_WRITE)) {
                case FMODE_READ:
                        WRITE32(NFS4_SHARE_ACCESS_READ);
                        break;
@@ -969,7 +969,7 @@ static void encode_share_access(struct xdr_stream *xdr, int open_flags)
                        WRITE32(NFS4_SHARE_ACCESS_BOTH);
                        break;
                default:
-                       BUG();
+                       WRITE32(0);
        }
        WRITE32(0);             /* for linux, share_deny = 0 always */
 }
@@ -984,7 +984,7 @@ static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_opena
        RESERVE_SPACE(8);
        WRITE32(OP_OPEN);
        WRITE32(arg->seqid->sequence->counter);
-       encode_share_access(xdr, arg->open_flags);
+       encode_share_access(xdr, arg->fmode);
        RESERVE_SPACE(28);
        WRITE64(arg->clientid);
        WRITE32(16);
@@ -1112,7 +1112,7 @@ static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closea
        WRITE32(OP_OPEN_DOWNGRADE);
        WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE);
        WRITE32(arg->seqid->sequence->counter);
-       encode_share_access(xdr, arg->open_flags);
+       encode_share_access(xdr, arg->fmode);
        return 0;
 }
 

diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 8d71d7b..b8d9c6d 100644 (file)
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -83,7 +83,7 @@ struct nfs_open_context {
        struct rpc_cred *cred;
        struct nfs4_state *state;
        fl_owner_t lockowner;
-       int mode;
+       fmode_t mode;
 
        unsigned long flags;
 #define NFS_CONTEXT_ERROR_WRITE                (0)
@@ -342,7 +342,7 @@ extern int nfs_setattr(struct dentry *, struct iattr *);
 extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr);
 extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx);
 extern void put_nfs_open_context(struct nfs_open_context *ctx);
-extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, int mode);
+extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, fmode_t mode);
 extern u64 nfs_compat_user_ino64(u64 fileid);
 extern void nfs_fattr_init(struct nfs_fattr *fattr);
 

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 32c1a0e..a550b52 100644 (file)
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -120,6 +120,7 @@ struct nfs_openargs {
        const struct nfs_fh *   fh;
        struct nfs_seqid *      seqid;
        int                     open_flags;
+       fmode_t                 fmode;
        __u64                   clientid;
        __u64                   id;
        union {
@@ -171,7 +172,7 @@ struct nfs_closeargs {
        struct nfs_fh *         fh;
        nfs4_stateid *          stateid;
        struct nfs_seqid *      seqid;
-       int                     open_flags;
+       fmode_t                 fmode;
        const u32 *             bitmask;
 };