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-rw-r--r--fs/nfs/client.c2
-rw-r--r--fs/nfs/filelayout/filelayout.c2
-rw-r--r--fs/nfs/namespace.c2
-rw-r--r--fs/nfs/nfs4_fs.h1
-rw-r--r--fs/nfs/nfs4client.c2
-rw-r--r--fs/nfs/nfs4file.c2
-rw-r--r--fs/nfs/nfs4proc.c41
-rw-r--r--fs/nfs/nfstrace.h4
-rw-r--r--fs/nfs/pagelist.c20
-rw-r--r--fs/nfs/pnfs.c17
-rw-r--r--fs/nfs/super.c2
11 files changed, 53 insertions, 42 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index cfeaadf56bf0..330f65727c45 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -406,7 +406,7 @@ struct nfs_client *nfs_get_client(const struct nfs_client_initdata *cl_init)
if (cl_init->hostname == NULL) {
WARN_ON(1);
- return NULL;
+ return ERR_PTR(-EINVAL);
}
/* see if the client already exists */
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index d158a500c25c..d2103852475f 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -718,7 +718,7 @@ filelayout_decode_layout(struct pnfs_layout_hdr *flo,
if (unlikely(!p))
goto out_err;
fl->fh_array[i]->size = be32_to_cpup(p++);
- if (sizeof(struct nfs_fh) < fl->fh_array[i]->size) {
+ if (fl->fh_array[i]->size > NFS_MAXFHSIZE) {
printk(KERN_ERR "NFS: Too big fh %d received %d\n",
i, fl->fh_array[i]->size);
goto out_err;
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 93e60e921f92..bc0c698f3350 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -362,7 +362,7 @@ static const struct kernel_param_ops param_ops_nfs_timeout = {
.set = param_set_nfs_timeout,
.get = param_get_nfs_timeout,
};
-#define param_check_nfs_timeout(name, p) __param_check(name, p, int);
+#define param_check_nfs_timeout(name, p) __param_check(name, p, int)
module_param(nfs_mountpoint_expiry_timeout, nfs_timeout, 0644);
MODULE_PARM_DESC(nfs_mountpoint_expiry_timeout,
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 065cb04222a1..543d916f79ab 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -205,6 +205,7 @@ struct nfs4_exception {
struct inode *inode;
nfs4_stateid *stateid;
long timeout;
+ unsigned char task_is_privileged : 1;
unsigned char delay : 1,
recovering : 1,
retry : 1;
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 889a9f4c0310..42719384e25f 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -435,8 +435,8 @@ struct nfs_client *nfs4_init_client(struct nfs_client *clp,
*/
nfs_mark_client_ready(clp, -EPERM);
}
- nfs_put_client(clp);
clear_bit(NFS_CS_TSM_POSSIBLE, &clp->cl_flags);
+ nfs_put_client(clp);
return old;
error:
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index 57b3821d975a..a1e5c6b85ded 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -211,7 +211,7 @@ static loff_t nfs4_file_llseek(struct file *filep, loff_t offset, int whence)
case SEEK_HOLE:
case SEEK_DATA:
ret = nfs42_proc_llseek(filep, offset, whence);
- if (ret != -ENOTSUPP)
+ if (ret != -EOPNOTSUPP)
return ret;
fallthrough;
default:
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 87d04f2c9385..e653654c10bc 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -589,6 +589,8 @@ int nfs4_handle_exception(struct nfs_server *server, int errorcode, struct nfs4_
goto out_retry;
}
if (exception->recovering) {
+ if (exception->task_is_privileged)
+ return -EDEADLOCK;
ret = nfs4_wait_clnt_recover(clp);
if (test_bit(NFS_MIG_FAILED, &server->mig_status))
return -EIO;
@@ -614,6 +616,8 @@ nfs4_async_handle_exception(struct rpc_task *task, struct nfs_server *server,
goto out_retry;
}
if (exception->recovering) {
+ if (exception->task_is_privileged)
+ return -EDEADLOCK;
rpc_sleep_on(&clp->cl_rpcwaitq, task, NULL);
if (test_bit(NFS4CLNT_MANAGER_RUNNING, &clp->cl_state) == 0)
rpc_wake_up_queued_task(&clp->cl_rpcwaitq, task);
@@ -1706,7 +1710,7 @@ static void nfs_set_open_stateid_locked(struct nfs4_state *state,
rcu_read_unlock();
trace_nfs4_open_stateid_update_wait(state->inode, stateid, 0);
- if (!signal_pending(current)) {
+ if (!fatal_signal_pending(current)) {
if (schedule_timeout(5*HZ) == 0)
status = -EAGAIN;
else
@@ -3487,7 +3491,7 @@ static bool nfs4_refresh_open_old_stateid(nfs4_stateid *dst,
write_sequnlock(&state->seqlock);
trace_nfs4_close_stateid_update_wait(state->inode, dst, 0);
- if (signal_pending(current))
+ if (fatal_signal_pending(current))
status = -EINTR;
else
if (schedule_timeout(5*HZ) != 0)
@@ -3878,6 +3882,10 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
server->caps |= NFS_CAP_HARDLINKS;
if (res.has_symlinks != 0)
server->caps |= NFS_CAP_SYMLINKS;
+#ifdef CONFIG_NFS_V4_SECURITY_LABEL
+ if (res.attr_bitmask[2] & FATTR4_WORD2_SECURITY_LABEL)
+ server->caps |= NFS_CAP_SECURITY_LABEL;
+#endif
if (!(res.attr_bitmask[0] & FATTR4_WORD0_FILEID))
server->fattr_valid &= ~NFS_ATTR_FATTR_FILEID;
if (!(res.attr_bitmask[1] & FATTR4_WORD1_MODE))
@@ -3898,10 +3906,6 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
server->fattr_valid &= ~NFS_ATTR_FATTR_CTIME;
if (!(res.attr_bitmask[1] & FATTR4_WORD1_TIME_MODIFY))
server->fattr_valid &= ~NFS_ATTR_FATTR_MTIME;
-#ifdef CONFIG_NFS_V4_SECURITY_LABEL
- if (!(res.attr_bitmask[2] & FATTR4_WORD2_SECURITY_LABEL))
- server->fattr_valid &= ~NFS_ATTR_FATTR_V4_SECURITY_LABEL;
-#endif
memcpy(server->attr_bitmask_nl, res.attr_bitmask,
sizeof(server->attr_bitmask));
server->attr_bitmask_nl[2] &= ~FATTR4_WORD2_SECURITY_LABEL;
@@ -5968,6 +5972,14 @@ static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen
do {
err = __nfs4_proc_set_acl(inode, buf, buflen);
trace_nfs4_set_acl(inode, err);
+ if (err == -NFS4ERR_BADOWNER || err == -NFS4ERR_BADNAME) {
+ /*
+ * no need to retry since the kernel
+ * isn't involved in encoding the ACEs.
+ */
+ err = -EINVAL;
+ break;
+ }
err = nfs4_handle_exception(NFS_SERVER(inode), err,
&exception);
} while (exception.retry);
@@ -6409,6 +6421,7 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
struct nfs4_exception exception = {
.inode = data->inode,
.stateid = &data->stateid,
+ .task_is_privileged = data->args.seq_args.sa_privileged,
};
if (!nfs4_sequence_done(task, &data->res.seq_res))
@@ -6532,7 +6545,6 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred,
data = kzalloc(sizeof(*data), GFP_NOFS);
if (data == NULL)
return -ENOMEM;
- nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 1, 0);
nfs4_state_protect(server->nfs_client,
NFS_SP4_MACH_CRED_CLEANUP,
@@ -6563,6 +6575,12 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred,
}
}
+ if (!data->inode)
+ nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 1,
+ 1);
+ else
+ nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 1,
+ 0);
task_setup_data.callback_data = data;
msg.rpc_argp = &data->args;
msg.rpc_resp = &data->res;
@@ -9640,15 +9658,20 @@ int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp, bool sync)
&task_setup_data.rpc_client, &msg);
dprintk("--> %s\n", __func__);
+ lrp->inode = nfs_igrab_and_active(lrp->args.inode);
if (!sync) {
- lrp->inode = nfs_igrab_and_active(lrp->args.inode);
if (!lrp->inode) {
nfs4_layoutreturn_release(lrp);
return -EAGAIN;
}
task_setup_data.flags |= RPC_TASK_ASYNC;
}
- nfs4_init_sequence(&lrp->args.seq_args, &lrp->res.seq_res, 1, 0);
+ if (!lrp->inode)
+ nfs4_init_sequence(&lrp->args.seq_args, &lrp->res.seq_res, 1,
+ 1);
+ else
+ nfs4_init_sequence(&lrp->args.seq_args, &lrp->res.seq_res, 1,
+ 0);
task = rpc_run_task(&task_setup_data);
if (IS_ERR(task))
return PTR_ERR(task);
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index eb1ef3462e84..ccef43e02b48 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -430,10 +430,6 @@ TRACE_DEFINE_ENUM(O_CLOEXEC);
{ O_NOATIME, "O_NOATIME" }, \
{ O_CLOEXEC, "O_CLOEXEC" })
-TRACE_DEFINE_ENUM(FMODE_READ);
-TRACE_DEFINE_ENUM(FMODE_WRITE);
-TRACE_DEFINE_ENUM(FMODE_EXEC);
-
#define show_fmode_flags(mode) \
__print_flags(mode, "|", \
{ ((__force unsigned long)FMODE_READ), "READ" }, \
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 6c20b28d9d7c..cf9cc62ec48e 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -1094,15 +1094,16 @@ nfs_pageio_do_add_request(struct nfs_pageio_descriptor *desc,
struct nfs_page *prev = NULL;
unsigned int size;
- if (mirror->pg_count != 0) {
- prev = nfs_list_entry(mirror->pg_list.prev);
- } else {
+ if (list_empty(&mirror->pg_list)) {
if (desc->pg_ops->pg_init)
desc->pg_ops->pg_init(desc, req);
if (desc->pg_error < 0)
return 0;
mirror->pg_base = req->wb_pgbase;
- }
+ mirror->pg_count = 0;
+ mirror->pg_recoalesce = 0;
+ } else
+ prev = nfs_list_entry(mirror->pg_list.prev);
if (desc->pg_maxretrans && req->wb_nio > desc->pg_maxretrans) {
if (NFS_SERVER(desc->pg_inode)->flags & NFS_MOUNT_SOFTERR)
@@ -1127,18 +1128,13 @@ static void nfs_pageio_doio(struct nfs_pageio_descriptor *desc)
{
struct nfs_pgio_mirror *mirror = nfs_pgio_current_mirror(desc);
-
if (!list_empty(&mirror->pg_list)) {
int error = desc->pg_ops->pg_doio(desc);
if (error < 0)
desc->pg_error = error;
- else
+ if (list_empty(&mirror->pg_list))
mirror->pg_bytes_written += mirror->pg_count;
}
- if (list_empty(&mirror->pg_list)) {
- mirror->pg_count = 0;
- mirror->pg_base = 0;
- }
}
static void
@@ -1227,10 +1223,6 @@ static int nfs_do_recoalesce(struct nfs_pageio_descriptor *desc)
do {
list_splice_init(&mirror->pg_list, &head);
- mirror->pg_bytes_written -= mirror->pg_count;
- mirror->pg_count = 0;
- mirror->pg_base = 0;
- mirror->pg_recoalesce = 0;
while (!list_empty(&head)) {
struct nfs_page *req;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 03e0b34c4a64..2c01ee805306 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1317,6 +1317,11 @@ _pnfs_return_layout(struct inode *ino)
{
struct pnfs_layout_hdr *lo = NULL;
struct nfs_inode *nfsi = NFS_I(ino);
+ struct pnfs_layout_range range = {
+ .iomode = IOMODE_ANY,
+ .offset = 0,
+ .length = NFS4_MAX_UINT64,
+ };
LIST_HEAD(tmp_list);
const struct cred *cred;
nfs4_stateid stateid;
@@ -1344,16 +1349,10 @@ _pnfs_return_layout(struct inode *ino)
}
valid_layout = pnfs_layout_is_valid(lo);
pnfs_clear_layoutcommit(ino, &tmp_list);
- pnfs_mark_matching_lsegs_return(lo, &tmp_list, NULL, 0);
+ pnfs_mark_matching_lsegs_return(lo, &tmp_list, &range, 0);
- if (NFS_SERVER(ino)->pnfs_curr_ld->return_range) {
- struct pnfs_layout_range range = {
- .iomode = IOMODE_ANY,
- .offset = 0,
- .length = NFS4_MAX_UINT64,
- };
+ if (NFS_SERVER(ino)->pnfs_curr_ld->return_range)
NFS_SERVER(ino)->pnfs_curr_ld->return_range(lo, &range);
- }
/* Don't send a LAYOUTRETURN if list was initially empty */
if (!test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags) ||
@@ -2678,7 +2677,7 @@ EXPORT_SYMBOL_GPL(pnfs_generic_pg_check_range);
void
pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)
{
- u64 rd_size = req->wb_bytes;
+ u64 rd_size;
pnfs_generic_pg_check_layout(pgio);
pnfs_generic_pg_check_range(pgio, req);
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 19a212f9725d..fe58525cfed4 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1379,7 +1379,7 @@ static const struct kernel_param_ops param_ops_portnr = {
.set = param_set_portnr,
.get = param_get_uint,
};
-#define param_check_portnr(name, p) __param_check(name, p, unsigned int);
+#define param_check_portnr(name, p) __param_check(name, p, unsigned int)
module_param_named(callback_tcpport, nfs_callback_set_tcpport, portnr, 0644);
module_param_named(callback_nr_threads, nfs_callback_nr_threads, ushort, 0644);