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Diffstat (limited to 'fs/nfs/nfs42proc.c')
-rw-r--r--fs/nfs/nfs42proc.c364
1 files changed, 297 insertions, 67 deletions
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index 8b21ff1be717..d537fb0c230e 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -21,6 +21,8 @@
#define NFSDBG_FACILITY NFSDBG_PROC
static int nfs42_do_offload_cancel_async(struct file *dst, nfs4_stateid *std);
+static int nfs42_proc_offload_status(struct file *file, nfs4_stateid *stateid,
+ u64 *copied);
static void nfs42_set_netaddr(struct file *filep, struct nfs42_netaddr *naddr)
{
@@ -46,7 +48,7 @@ static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep,
{
struct inode *inode = file_inode(filep);
struct nfs_server *server = NFS_SERVER(inode);
- u32 bitmask[3];
+ u32 bitmask[NFS_BITMASK_SZ];
struct nfs42_falloc_args args = {
.falloc_fh = NFS_FH(inode),
.falloc_offset = offset,
@@ -69,9 +71,8 @@ static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep,
return status;
}
- memcpy(bitmask, server->cache_consistency_bitmask, sizeof(bitmask));
- if (server->attr_bitmask[1] & FATTR4_WORD1_SPACE_USED)
- bitmask[1] |= FATTR4_WORD1_SPACE_USED;
+ nfs4_bitmask_set(bitmask, server->cache_consistency_bitmask, inode,
+ NFS_INO_INVALID_BLOCKS);
res.falloc_fattr = nfs_alloc_fattr();
if (!res.falloc_fattr)
@@ -79,10 +80,16 @@ static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep,
status = nfs4_call_sync(server->client, server, msg,
&args.seq_args, &res.seq_res, 0);
- if (status == 0)
+ if (status == 0) {
+ if (nfs_should_remove_suid(inode)) {
+ spin_lock(&inode->i_lock);
+ nfs_set_cache_invalid(inode,
+ NFS_INO_REVAL_FORCED | NFS_INO_INVALID_MODE);
+ spin_unlock(&inode->i_lock);
+ }
status = nfs_post_op_update_inode_force_wcc(inode,
res.falloc_fattr);
-
+ }
if (msg->rpc_proc == &nfs4_procedures[NFSPROC4_CLNT_ALLOCATE])
trace_nfs4_fallocate(inode, &args, status);
else
@@ -107,6 +114,7 @@ static int nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep,
exception.inode = inode;
exception.state = lock->open_context->state;
+ nfs_file_block_o_direct(NFS_I(inode));
err = nfs_sync_inode(inode);
if (err)
goto out;
@@ -130,6 +138,7 @@ int nfs42_proc_allocate(struct file *filep, loff_t offset, loff_t len)
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_ALLOCATE],
};
struct inode *inode = file_inode(filep);
+ loff_t oldsize = i_size_read(inode);
int err;
if (!nfs_server_capable(inode, NFS_CAP_ALLOCATE))
@@ -138,8 +147,13 @@ int nfs42_proc_allocate(struct file *filep, loff_t offset, loff_t len)
inode_lock(inode);
err = nfs42_proc_fallocate(&msg, filep, offset, len);
- if (err == -EOPNOTSUPP)
- NFS_SERVER(inode)->caps &= ~NFS_CAP_ALLOCATE;
+
+ if (err == 0)
+ nfs_truncate_last_folio(inode->i_mapping, oldsize,
+ offset + len);
+ else if (err == -EOPNOTSUPP)
+ NFS_SERVER(inode)->caps &= ~(NFS_CAP_ALLOCATE |
+ NFS_CAP_ZERO_RANGE);
inode_unlock(inode);
return err;
@@ -162,12 +176,53 @@ int nfs42_proc_deallocate(struct file *filep, loff_t offset, loff_t len)
if (err == 0)
truncate_pagecache_range(inode, offset, (offset + len) -1);
if (err == -EOPNOTSUPP)
- NFS_SERVER(inode)->caps &= ~NFS_CAP_DEALLOCATE;
+ NFS_SERVER(inode)->caps &= ~(NFS_CAP_DEALLOCATE |
+ NFS_CAP_ZERO_RANGE);
+
+ inode_unlock(inode);
+ return err;
+}
+
+int nfs42_proc_zero_range(struct file *filep, loff_t offset, loff_t len)
+{
+ struct rpc_message msg = {
+ .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_ZERO_RANGE],
+ };
+ struct inode *inode = file_inode(filep);
+ loff_t oldsize = i_size_read(inode);
+ int err;
+
+ if (!nfs_server_capable(inode, NFS_CAP_ZERO_RANGE))
+ return -EOPNOTSUPP;
+
+ inode_lock(inode);
+
+ err = nfs42_proc_fallocate(&msg, filep, offset, len);
+ if (err == 0) {
+ nfs_truncate_last_folio(inode->i_mapping, oldsize,
+ offset + len);
+ truncate_pagecache_range(inode, offset, (offset + len) -1);
+ } else if (err == -EOPNOTSUPP)
+ NFS_SERVER(inode)->caps &= ~NFS_CAP_ZERO_RANGE;
inode_unlock(inode);
return err;
}
+static void nfs4_copy_dequeue_callback(struct nfs_server *dst_server,
+ struct nfs_server *src_server,
+ struct nfs4_copy_state *copy)
+{
+ spin_lock(&dst_server->nfs_client->cl_lock);
+ list_del_init(&copy->copies);
+ spin_unlock(&dst_server->nfs_client->cl_lock);
+ if (dst_server != src_server) {
+ spin_lock(&src_server->nfs_client->cl_lock);
+ list_del_init(&copy->src_copies);
+ spin_unlock(&src_server->nfs_client->cl_lock);
+ }
+}
+
static int handle_async_copy(struct nfs42_copy_res *res,
struct nfs_server *dst_server,
struct nfs_server *src_server,
@@ -176,28 +231,30 @@ static int handle_async_copy(struct nfs42_copy_res *res,
nfs4_stateid *src_stateid,
bool *restart)
{
- struct nfs4_copy_state *copy, *tmp_copy;
- int status = NFS4_OK;
- bool found_pending = false;
+ struct nfs4_copy_state *copy, *tmp_copy = NULL, *iter;
struct nfs_open_context *dst_ctx = nfs_file_open_context(dst);
struct nfs_open_context *src_ctx = nfs_file_open_context(src);
+ struct nfs_client *clp = dst_server->nfs_client;
+ unsigned long timeout = 3 * HZ;
+ int status = NFS4_OK;
+ u64 copied;
- copy = kzalloc(sizeof(struct nfs4_copy_state), GFP_NOFS);
+ copy = kzalloc(sizeof(struct nfs4_copy_state), GFP_KERNEL);
if (!copy)
return -ENOMEM;
spin_lock(&dst_server->nfs_client->cl_lock);
- list_for_each_entry(tmp_copy,
+ list_for_each_entry(iter,
&dst_server->nfs_client->pending_cb_stateids,
copies) {
- if (memcmp(&res->write_res.stateid, &tmp_copy->stateid,
+ if (memcmp(&res->write_res.stateid, &iter->stateid,
NFS4_STATEID_SIZE))
continue;
- found_pending = true;
- list_del(&tmp_copy->copies);
+ tmp_copy = iter;
+ list_del(&iter->copies);
break;
}
- if (found_pending) {
+ if (tmp_copy) {
spin_unlock(&dst_server->nfs_client->cl_lock);
kfree(copy);
copy = tmp_copy;
@@ -214,19 +271,16 @@ static int handle_async_copy(struct nfs42_copy_res *res,
if (dst_server != src_server) {
spin_lock(&src_server->nfs_client->cl_lock);
- list_add_tail(&copy->src_copies, &src_server->ss_copies);
+ list_add_tail(&copy->src_copies, &src_server->ss_src_copies);
spin_unlock(&src_server->nfs_client->cl_lock);
}
- status = wait_for_completion_interruptible(&copy->completion);
- spin_lock(&dst_server->nfs_client->cl_lock);
- list_del_init(&copy->copies);
- spin_unlock(&dst_server->nfs_client->cl_lock);
- if (dst_server != src_server) {
- spin_lock(&src_server->nfs_client->cl_lock);
- list_del_init(&copy->src_copies);
- spin_unlock(&src_server->nfs_client->cl_lock);
- }
+wait:
+ status = wait_for_completion_interruptible_timeout(&copy->completion,
+ timeout);
+ if (!status)
+ goto timeout;
+ nfs4_copy_dequeue_callback(dst_server, src_server, copy);
if (status == -ERESTARTSYS) {
goto out_cancel;
} else if (copy->flags || copy->error == NFS4ERR_PARTNER_NO_AUTH) {
@@ -236,6 +290,7 @@ static int handle_async_copy(struct nfs42_copy_res *res,
}
out:
res->write_res.count = copy->count;
+ /* Copy out the updated write verifier provided by CB_OFFLOAD. */
memcpy(&res->write_res.verifier, &copy->verf, sizeof(copy->verf));
status = -copy->error;
@@ -247,6 +302,39 @@ out_cancel:
if (!nfs42_files_from_same_server(src, dst))
nfs42_do_offload_cancel_async(src, src_stateid);
goto out_free;
+timeout:
+ timeout <<= 1;
+ if (timeout > (clp->cl_lease_time >> 1))
+ timeout = clp->cl_lease_time >> 1;
+ status = nfs42_proc_offload_status(dst, &copy->stateid, &copied);
+ if (status == -EINPROGRESS)
+ goto wait;
+ nfs4_copy_dequeue_callback(dst_server, src_server, copy);
+ switch (status) {
+ case 0:
+ /* The server recognized the copy stateid, so it hasn't
+ * rebooted. Don't overwrite the verifier returned in the
+ * COPY result. */
+ res->write_res.count = copied;
+ goto out_free;
+ case -EREMOTEIO:
+ /* COPY operation failed on the server. */
+ status = -EOPNOTSUPP;
+ res->write_res.count = copied;
+ goto out_free;
+ case -EBADF:
+ /* Server did not recognize the copy stateid. It has
+ * probably restarted and lost the plot. */
+ res->write_res.count = 0;
+ status = -EOPNOTSUPP;
+ break;
+ case -EOPNOTSUPP:
+ /* RFC 7862 REQUIREs server to support OFFLOAD_STATUS when
+ * it has signed up for an async COPY, so server is not
+ * spec-compliant. */
+ res->write_res.count = 0;
+ }
+ goto out_free;
}
static int process_copy_commit(struct file *dst, loff_t pos_dst,
@@ -255,7 +343,7 @@ static int process_copy_commit(struct file *dst, loff_t pos_dst,
struct nfs_commitres cres;
int status = -ENOMEM;
- cres.verf = kzalloc(sizeof(struct nfs_writeverf), GFP_NOFS);
+ cres.verf = kzalloc(sizeof(struct nfs_writeverf), GFP_KERNEL);
if (!cres.verf)
goto out;
@@ -275,22 +363,27 @@ out:
/**
* nfs42_copy_dest_done - perform inode cache updates after clone/copy offload
- * @inode: pointer to destination inode
+ * @file: pointer to destination file
* @pos: destination offset
* @len: copy length
+ * @oldsize: length of the file prior to clone/copy
*
* Punch a hole in the inode page cache, so that the NFS client will
* know to retrieve new data.
* Update the file size if necessary, and then mark the inode as having
* invalid cached values for change attribute, ctime, mtime and space used.
*/
-static void nfs42_copy_dest_done(struct inode *inode, loff_t pos, loff_t len)
+static void nfs42_copy_dest_done(struct file *file, loff_t pos, loff_t len,
+ loff_t oldsize)
{
+ struct inode *inode = file_inode(file);
+ struct address_space *mapping = file->f_mapping;
loff_t newsize = pos + len;
loff_t end = newsize - 1;
- WARN_ON_ONCE(invalidate_inode_pages2_range(inode->i_mapping,
- pos >> PAGE_SHIFT, end >> PAGE_SHIFT));
+ nfs_truncate_last_folio(mapping, oldsize, pos);
+ WARN_ON_ONCE(invalidate_inode_pages2_range(mapping, pos >> PAGE_SHIFT,
+ end >> PAGE_SHIFT));
spin_lock(&inode->i_lock);
if (newsize > i_size_read(inode))
@@ -323,6 +416,7 @@ static ssize_t _nfs42_proc_copy(struct file *src,
struct nfs_server *src_server = NFS_SERVER(src_inode);
loff_t pos_src = args->src_pos;
loff_t pos_dst = args->dst_pos;
+ loff_t oldsize_dst = i_size_read(dst_inode);
size_t count = args->count;
ssize_t status;
@@ -338,7 +432,7 @@ static ssize_t _nfs42_proc_copy(struct file *src,
return status;
}
}
- status = nfs_filemap_write_and_wait_range(file_inode(src)->i_mapping,
+ status = nfs_filemap_write_and_wait_range(src->f_mapping,
pos_src, pos_src + (loff_t)count - 1);
if (status)
return status;
@@ -351,6 +445,7 @@ static ssize_t _nfs42_proc_copy(struct file *src,
return status;
}
+ nfs_file_block_o_direct(NFS_I(dst_inode));
status = nfs_sync_inode(dst_inode);
if (status)
return status;
@@ -358,7 +453,7 @@ static ssize_t _nfs42_proc_copy(struct file *src,
res->commit_res.verf = NULL;
if (args->sync) {
res->commit_res.verf =
- kzalloc(sizeof(struct nfs_writeverf), GFP_NOFS);
+ kzalloc(sizeof(struct nfs_writeverf), GFP_KERNEL);
if (!res->commit_res.verf)
return -ENOMEM;
}
@@ -396,7 +491,7 @@ static ssize_t _nfs42_proc_copy(struct file *src,
goto out;
}
- nfs42_copy_dest_done(dst_inode, pos_dst, res->write_res.count);
+ nfs42_copy_dest_done(dst, pos_dst, res->write_res.count, oldsize_dst);
nfs_invalidate_atime(src_inode);
status = res->write_res.count;
out:
@@ -457,7 +552,8 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
if (err >= 0)
break;
- if (err == -ENOTSUPP &&
+ if ((err == -ENOTSUPP ||
+ err == -NFS4ERR_OFFLOAD_DENIED) &&
nfs42_files_from_same_server(src, dst)) {
err = -EOPNOTSUPP;
break;
@@ -467,8 +563,9 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
continue;
}
break;
- } else if (err == -NFS4ERR_OFFLOAD_NO_REQS && !args.sync) {
- args.sync = true;
+ } else if (err == -NFS4ERR_OFFLOAD_NO_REQS &&
+ args.sync != res.synchronous) {
+ args.sync = res.synchronous;
dst_exception.retry = 1;
continue;
} else if ((err == -ESTALE ||
@@ -492,15 +589,15 @@ out_put_src_lock:
return err;
}
-struct nfs42_offloadcancel_data {
+struct nfs42_offload_data {
struct nfs_server *seq_server;
struct nfs42_offload_status_args args;
struct nfs42_offload_status_res res;
};
-static void nfs42_offload_cancel_prepare(struct rpc_task *task, void *calldata)
+static void nfs42_offload_prepare(struct rpc_task *task, void *calldata)
{
- struct nfs42_offloadcancel_data *data = calldata;
+ struct nfs42_offload_data *data = calldata;
nfs4_setup_sequence(data->seq_server->nfs_client,
&data->args.osa_seq_args,
@@ -509,7 +606,7 @@ static void nfs42_offload_cancel_prepare(struct rpc_task *task, void *calldata)
static void nfs42_offload_cancel_done(struct rpc_task *task, void *calldata)
{
- struct nfs42_offloadcancel_data *data = calldata;
+ struct nfs42_offload_data *data = calldata;
trace_nfs4_offload_cancel(&data->args, task->tk_status);
nfs41_sequence_done(task, &data->res.osr_seq_res);
@@ -519,22 +616,22 @@ static void nfs42_offload_cancel_done(struct rpc_task *task, void *calldata)
rpc_restart_call_prepare(task);
}
-static void nfs42_free_offloadcancel_data(void *data)
+static void nfs42_offload_release(void *data)
{
kfree(data);
}
static const struct rpc_call_ops nfs42_offload_cancel_ops = {
- .rpc_call_prepare = nfs42_offload_cancel_prepare,
+ .rpc_call_prepare = nfs42_offload_prepare,
.rpc_call_done = nfs42_offload_cancel_done,
- .rpc_release = nfs42_free_offloadcancel_data,
+ .rpc_release = nfs42_offload_release,
};
static int nfs42_do_offload_cancel_async(struct file *dst,
nfs4_stateid *stateid)
{
struct nfs_server *dst_server = NFS_SERVER(file_inode(dst));
- struct nfs42_offloadcancel_data *data = NULL;
+ struct nfs42_offload_data *data = NULL;
struct nfs_open_context *ctx = nfs_file_open_context(dst);
struct rpc_task *task;
struct rpc_message msg = {
@@ -546,14 +643,14 @@ static int nfs42_do_offload_cancel_async(struct file *dst,
.rpc_message = &msg,
.callback_ops = &nfs42_offload_cancel_ops,
.workqueue = nfsiod_workqueue,
- .flags = RPC_TASK_ASYNC,
+ .flags = RPC_TASK_ASYNC | RPC_TASK_MOVEABLE,
};
int status;
if (!(dst_server->caps & NFS_CAP_OFFLOAD_CANCEL))
return -EOPNOTSUPP;
- data = kzalloc(sizeof(struct nfs42_offloadcancel_data), GFP_NOFS);
+ data = kzalloc(sizeof(struct nfs42_offload_data), GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
@@ -576,6 +673,108 @@ static int nfs42_do_offload_cancel_async(struct file *dst,
return status;
}
+static int
+_nfs42_proc_offload_status(struct nfs_server *server, struct file *file,
+ struct nfs42_offload_data *data)
+{
+ struct nfs_open_context *ctx = nfs_file_open_context(file);
+ struct rpc_message msg = {
+ .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OFFLOAD_STATUS],
+ .rpc_argp = &data->args,
+ .rpc_resp = &data->res,
+ .rpc_cred = ctx->cred,
+ };
+ int status;
+
+ status = nfs4_call_sync(server->client, server, &msg,
+ &data->args.osa_seq_args,
+ &data->res.osr_seq_res, 1);
+ trace_nfs4_offload_status(&data->args, status);
+ switch (status) {
+ case 0:
+ break;
+
+ case -NFS4ERR_ADMIN_REVOKED:
+ case -NFS4ERR_BAD_STATEID:
+ case -NFS4ERR_OLD_STATEID:
+ /*
+ * Server does not recognize the COPY stateid. CB_OFFLOAD
+ * could have purged it, or server might have rebooted.
+ * Since COPY stateids don't have an associated inode,
+ * avoid triggering state recovery.
+ */
+ status = -EBADF;
+ break;
+ case -NFS4ERR_NOTSUPP:
+ case -ENOTSUPP:
+ case -EOPNOTSUPP:
+ server->caps &= ~NFS_CAP_OFFLOAD_STATUS;
+ status = -EOPNOTSUPP;
+ break;
+ }
+
+ return status;
+}
+
+/**
+ * nfs42_proc_offload_status - Poll completion status of an async copy operation
+ * @dst: handle of file being copied into
+ * @stateid: copy stateid (from async COPY result)
+ * @copied: OUT: number of bytes copied so far
+ *
+ * Return values:
+ * %0: Server returned an NFS4_OK completion status
+ * %-EINPROGRESS: Server returned no completion status
+ * %-EREMOTEIO: Server returned an error completion status
+ * %-EBADF: Server did not recognize the copy stateid
+ * %-EOPNOTSUPP: Server does not support OFFLOAD_STATUS
+ * %-ERESTARTSYS: Wait interrupted by signal
+ *
+ * Other negative errnos indicate the client could not complete the
+ * request.
+ */
+static int
+nfs42_proc_offload_status(struct file *dst, nfs4_stateid *stateid, u64 *copied)
+{
+ struct inode *inode = file_inode(dst);
+ struct nfs_server *server = NFS_SERVER(inode);
+ struct nfs4_exception exception = {
+ .inode = inode,
+ };
+ struct nfs42_offload_data *data;
+ int status;
+
+ if (!(server->caps & NFS_CAP_OFFLOAD_STATUS))
+ return -EOPNOTSUPP;
+
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+ data->seq_server = server;
+ data->args.osa_src_fh = NFS_FH(inode);
+ memcpy(&data->args.osa_stateid, stateid,
+ sizeof(data->args.osa_stateid));
+ exception.stateid = &data->args.osa_stateid;
+ do {
+ status = _nfs42_proc_offload_status(server, dst, data);
+ if (status == -EOPNOTSUPP)
+ goto out;
+ status = nfs4_handle_exception(server, status, &exception);
+ } while (exception.retry);
+ if (status)
+ goto out;
+
+ *copied = data->res.osr_count;
+ if (!data->res.complete_count)
+ status = -EINPROGRESS;
+ else if (data->res.osr_complete != NFS_OK)
+ status = -EREMOTEIO;
+
+out:
+ kfree(data);
+ return status;
+}
+
static int _nfs42_proc_copy_notify(struct file *src, struct file *dst,
struct nfs42_copy_notify_args *args,
struct nfs42_copy_notify_res *res)
@@ -592,8 +791,10 @@ static int _nfs42_proc_copy_notify(struct file *src, struct file *dst,
ctx = get_nfs_open_context(nfs_file_open_context(src));
l_ctx = nfs_get_lock_context(ctx);
- if (IS_ERR(l_ctx))
- return PTR_ERR(l_ctx);
+ if (IS_ERR(l_ctx)) {
+ status = PTR_ERR(l_ctx);
+ goto out;
+ }
status = nfs4_set_rw_stateid(&args->cna_src_stateid, ctx, l_ctx,
FMODE_READ);
@@ -601,7 +802,7 @@ static int _nfs42_proc_copy_notify(struct file *src, struct file *dst,
if (status) {
if (status == -EAGAIN)
status = -NFS4ERR_BAD_STATEID;
- return status;
+ goto out;
}
status = nfs4_call_sync(src_server->client, src_server, &msg,
@@ -610,6 +811,7 @@ static int _nfs42_proc_copy_notify(struct file *src, struct file *dst,
if (status == -ENOTSUPP)
src_server->caps &= ~NFS_CAP_COPY_NOTIFY;
+out:
put_nfs_open_context(nfs_file_open_context(src));
return status;
}
@@ -627,7 +829,7 @@ int nfs42_proc_copy_notify(struct file *src, struct file *dst,
if (!(src_server->caps & NFS_CAP_COPY_NOTIFY))
return -EOPNOTSUPP;
- args = kzalloc(sizeof(struct nfs42_copy_notify_args), GFP_NOFS);
+ args = kzalloc(sizeof(struct nfs42_copy_notify_args), GFP_KERNEL);
if (args == NULL)
return -ENOMEM;
@@ -852,7 +1054,7 @@ int nfs42_proc_layoutstats_generic(struct nfs_server *server,
.rpc_message = &msg,
.callback_ops = &nfs42_layoutstat_ops,
.callback_data = data,
- .flags = RPC_TASK_ASYNC,
+ .flags = RPC_TASK_ASYNC | RPC_TASK_MOVEABLE,
};
struct rpc_task *task;
@@ -1007,7 +1209,7 @@ int nfs42_proc_layouterror(struct pnfs_layout_segment *lseg,
struct rpc_task_setup task_setup = {
.rpc_message = &msg,
.callback_ops = &nfs42_layouterror_ops,
- .flags = RPC_TASK_ASYNC,
+ .flags = RPC_TASK_ASYNC | RPC_TASK_MOVEABLE,
};
unsigned int i;
@@ -1015,7 +1217,7 @@ int nfs42_proc_layouterror(struct pnfs_layout_segment *lseg,
return -EOPNOTSUPP;
if (n > NFS42_LAYOUTERROR_MAX)
return -EINVAL;
- data = nfs42_alloc_layouterror_data(lseg, GFP_NOFS);
+ data = nfs42_alloc_layouterror_data(lseg, nfs_io_gfp_mask());
if (!data)
return -ENOMEM;
for (i = 0; i < n; i++) {
@@ -1044,17 +1246,19 @@ static int _nfs42_proc_clone(struct rpc_message *msg, struct file *src_f,
struct inode *src_inode = file_inode(src_f);
struct inode *dst_inode = file_inode(dst_f);
struct nfs_server *server = NFS_SERVER(dst_inode);
+ __u32 dst_bitmask[NFS_BITMASK_SZ];
struct nfs42_clone_args args = {
.src_fh = NFS_FH(src_inode),
.dst_fh = NFS_FH(dst_inode),
.src_offset = src_offset,
.dst_offset = dst_offset,
.count = count,
- .dst_bitmask = server->cache_consistency_bitmask,
+ .dst_bitmask = dst_bitmask,
};
struct nfs42_clone_res res = {
.server = server,
};
+ loff_t oldsize_dst = i_size_read(dst_inode);
int status;
msg->rpc_argp = &args;
@@ -1079,11 +1283,17 @@ static int _nfs42_proc_clone(struct rpc_message *msg, struct file *src_f,
if (!res.dst_fattr)
return -ENOMEM;
+ nfs4_bitmask_set(dst_bitmask, server->cache_consistency_bitmask,
+ dst_inode, NFS_INO_INVALID_BLOCKS);
+
status = nfs4_call_sync(server->client, server, msg,
&args.seq_args, &res.seq_res, 0);
trace_nfs4_clone(src_inode, dst_inode, &args, status);
if (status == 0) {
- nfs42_copy_dest_done(dst_inode, dst_offset, count);
+ /* a zero-length count means clone to EOF in src */
+ if (count == 0 && res.dst_fattr->valid & NFS_ATTR_FATTR_SIZE)
+ count = nfs_size_to_loff_t(res.dst_fattr->size) - dst_offset;
+ nfs42_copy_dest_done(dst_f, dst_offset, count, oldsize_dst);
status = nfs_post_op_update_inode(dst_inode, res.dst_fattr);
}
@@ -1165,6 +1375,7 @@ static int _nfs42_proc_removexattr(struct inode *inode, const char *name)
ret = nfs4_call_sync(server->client, server, &msg, &args.seq_args,
&res.seq_res, 1);
+ trace_nfs4_removexattr(inode, name, ret);
if (!ret)
nfs4_update_changeattr(inode, &res.cinfo, timestamp, 0);
@@ -1175,15 +1386,19 @@ static int _nfs42_proc_setxattr(struct inode *inode, const char *name,
const void *buf, size_t buflen, int flags)
{
struct nfs_server *server = NFS_SERVER(inode);
+ __u32 bitmask[NFS_BITMASK_SZ];
struct page *pages[NFS4XATTR_MAXPAGES];
struct nfs42_setxattrargs arg = {
.fh = NFS_FH(inode),
+ .bitmask = bitmask,
.xattr_pages = pages,
.xattr_len = buflen,
.xattr_name = name,
.xattr_flags = flags,
};
- struct nfs42_setxattrres res;
+ struct nfs42_setxattrres res = {
+ .server = server,
+ };
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SETXATTR],
.rpc_argp = &arg,
@@ -1195,22 +1410,36 @@ static int _nfs42_proc_setxattr(struct inode *inode, const char *name,
if (buflen > server->sxasize)
return -ERANGE;
+ res.fattr = nfs_alloc_fattr();
+ if (!res.fattr)
+ return -ENOMEM;
+
if (buflen > 0) {
np = nfs4_buf_to_pages_noslab(buf, buflen, arg.xattr_pages);
- if (np < 0)
- return np;
+ if (np < 0) {
+ ret = np;
+ goto out;
+ }
} else
np = 0;
+ nfs4_bitmask_set(bitmask, server->cache_consistency_bitmask,
+ inode, NFS_INO_INVALID_CHANGE);
+
ret = nfs4_call_sync(server->client, server, &msg, &arg.seq_args,
&res.seq_res, 1);
+ trace_nfs4_setxattr(inode, name, ret);
for (; np > 0; np--)
put_page(pages[np - 1]);
- if (!ret)
+ if (!ret) {
nfs4_update_changeattr(inode, &res.cinfo, timestamp, 0);
+ ret = nfs_post_op_update_inode(inode, res.fattr);
+ }
+out:
+ kfree(res.fattr);
return ret;
}
@@ -1236,6 +1465,7 @@ static ssize_t _nfs42_proc_getxattr(struct inode *inode, const char *name,
ret = nfs4_call_sync(server->client, server, &msg, &arg.seq_args,
&res.seq_res, 0);
+ trace_nfs4_getxattr(inode, name, ret);
if (ret < 0)
return ret;
@@ -1284,7 +1514,7 @@ static ssize_t _nfs42_proc_listxattrs(struct inode *inode, void *buf,
ret = -ENOMEM;
- res.scratch = alloc_page(GFP_KERNEL);
+ res.scratch = folio_alloc(GFP_KERNEL, 0);
if (!res.scratch)
goto out;
@@ -1307,6 +1537,7 @@ static ssize_t _nfs42_proc_listxattrs(struct inode *inode, void *buf,
ret = nfs4_call_sync(server->client, server, &msg, &arg.seq_args,
&res.seq_res, 0);
+ trace_nfs4_listxattr(inode, ret);
if (ret >= 0) {
ret = res.copied;
@@ -1321,7 +1552,7 @@ out_free_pages:
}
kfree(pages);
out_free_scratch:
- __free_page(res.scratch);
+ folio_put(res.scratch);
out:
return ret;
@@ -1342,7 +1573,6 @@ ssize_t nfs42_proc_getxattr(struct inode *inode, const char *name,
for (i = 0; i < np; i++) {
pages[i] = alloc_page(GFP_KERNEL);
if (!pages[i]) {
- np = i + 1;
err = -ENOMEM;
goto out;
}
@@ -1366,8 +1596,8 @@ ssize_t nfs42_proc_getxattr(struct inode *inode, const char *name,
} while (exception.retry);
out:
- while (--np >= 0)
- __free_page(pages[np]);
+ while (--i >= 0)
+ __free_page(pages[i]);
kfree(pages);
return err;
generated by cgit (git 2.34.1) at 2025-12-25 09:09:42 +0000