summaryrefslogtreecommitdiffstats
path: root/fs/nfs
diff options
context:
space:
mode:
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/blocklayout/blocklayout.c94
-rw-r--r--fs/nfs/blocklayout/blocklayout.h7
-rw-r--r--fs/nfs/blocklayout/dev.c7
-rw-r--r--fs/nfs/direct.c4
-rw-r--r--fs/nfs/export.c5
-rw-r--r--fs/nfs/filelayout/filelayout.c4
-rw-r--r--fs/nfs/inode.c53
-rw-r--r--fs/nfs/io.c2
-rw-r--r--fs/nfs/nfs4client.c24
-rw-r--r--fs/nfs/nfs4idmap.c6
-rw-r--r--fs/nfs/nfs4namespace.c2
-rw-r--r--fs/nfs/nfs4proc.c42
-rw-r--r--fs/nfs/nfs4state.c5
-rw-r--r--fs/nfs/nfs4sysctl.c2
-rw-r--r--fs/nfs/nfs4xdr.c64
-rw-r--r--fs/nfs/nfstrace.h22
-rw-r--r--fs/nfs/pagelist.c8
-rw-r--r--fs/nfs/pnfs.c6
-rw-r--r--fs/nfs/pnfs.h6
-rw-r--r--fs/nfs/pnfs_dev.c1
-rw-r--r--fs/nfs/write.c2
21 files changed, 260 insertions, 106 deletions
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index 995d707537da..7cb5c38c19e4 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -137,6 +137,11 @@ bl_alloc_init_bio(int npg, struct block_device *bdev, sector_t disk_sector,
return bio;
}
+static bool offset_in_map(u64 offset, struct pnfs_block_dev_map *map)
+{
+ return offset >= map->start && offset < map->start + map->len;
+}
+
static struct bio *
do_add_page_to_bio(struct bio *bio, int npg, int rw, sector_t isect,
struct page *page, struct pnfs_block_dev_map *map,
@@ -156,8 +161,8 @@ do_add_page_to_bio(struct bio *bio, int npg, int rw, sector_t isect,
/* translate to physical disk offset */
disk_addr = (u64)isect << SECTOR_SHIFT;
- if (disk_addr < map->start || disk_addr >= map->start + map->len) {
- if (!dev->map(dev, disk_addr, map))
+ if (!offset_in_map(disk_addr, map)) {
+ if (!dev->map(dev, disk_addr, map) || !offset_in_map(disk_addr, map))
return ERR_PTR(-EIO);
bio = bl_submit_bio(bio);
}
@@ -184,6 +189,29 @@ retry:
return bio;
}
+static void bl_mark_devices_unavailable(struct nfs_pgio_header *header, bool rw)
+{
+ struct pnfs_block_layout *bl = BLK_LSEG2EXT(header->lseg);
+ size_t bytes_left = header->args.count;
+ sector_t isect, extent_length = 0;
+ struct pnfs_block_extent be;
+
+ isect = header->args.offset >> SECTOR_SHIFT;
+ bytes_left += header->args.offset - (isect << SECTOR_SHIFT);
+
+ while (bytes_left > 0) {
+ if (!ext_tree_lookup(bl, isect, &be, rw))
+ return;
+ extent_length = be.be_length - (isect - be.be_f_offset);
+ nfs4_mark_deviceid_unavailable(be.be_device);
+ isect += extent_length;
+ if (bytes_left > extent_length << SECTOR_SHIFT)
+ bytes_left -= extent_length << SECTOR_SHIFT;
+ else
+ bytes_left = 0;
+ }
+}
+
static void bl_end_io_read(struct bio *bio)
{
struct parallel_io *par = bio->bi_private;
@@ -194,6 +222,7 @@ static void bl_end_io_read(struct bio *bio)
if (!header->pnfs_error)
header->pnfs_error = -EIO;
pnfs_set_lo_fail(header->lseg);
+ bl_mark_devices_unavailable(header, false);
}
bio_put(bio);
@@ -323,6 +352,7 @@ static void bl_end_io_write(struct bio *bio)
if (!header->pnfs_error)
header->pnfs_error = -EIO;
pnfs_set_lo_fail(header->lseg);
+ bl_mark_devices_unavailable(header, true);
}
bio_put(bio);
put_parallel(par);
@@ -552,6 +582,31 @@ static int decode_sector_number(__be32 **rp, sector_t *sp)
return 0;
}
+static struct nfs4_deviceid_node *
+bl_find_get_deviceid(struct nfs_server *server,
+ const struct nfs4_deviceid *id, struct rpc_cred *cred,
+ gfp_t gfp_mask)
+{
+ struct nfs4_deviceid_node *node;
+ unsigned long start, end;
+
+retry:
+ node = nfs4_find_get_deviceid(server, id, cred, gfp_mask);
+ if (!node)
+ return ERR_PTR(-ENODEV);
+
+ if (test_bit(NFS_DEVICEID_UNAVAILABLE, &node->flags) == 0)
+ return node;
+
+ end = jiffies;
+ start = end - PNFS_DEVICE_RETRY_TIMEOUT;
+ if (!time_in_range(node->timestamp_unavailable, start, end)) {
+ nfs4_delete_deviceid(node->ld, node->nfs_client, id);
+ goto retry;
+ }
+ return ERR_PTR(-ENODEV);
+}
+
static int
bl_alloc_extent(struct xdr_stream *xdr, struct pnfs_layout_hdr *lo,
struct layout_verification *lv, struct list_head *extents,
@@ -573,16 +628,18 @@ bl_alloc_extent(struct xdr_stream *xdr, struct pnfs_layout_hdr *lo,
memcpy(&id, p, NFS4_DEVICEID4_SIZE);
p += XDR_QUADLEN(NFS4_DEVICEID4_SIZE);
- error = -EIO;
- be->be_device = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode), &id,
+ be->be_device = bl_find_get_deviceid(NFS_SERVER(lo->plh_inode), &id,
lo->plh_lc_cred, gfp_mask);
- if (!be->be_device)
+ if (IS_ERR(be->be_device)) {
+ error = PTR_ERR(be->be_device);
goto out_free_be;
+ }
/*
* The next three values are read in as bytes, but stored in the
* extent structure in 512-byte granularity.
*/
+ error = -EIO;
if (decode_sector_number(&p, &be->be_f_offset) < 0)
goto out_put_deviceid;
if (decode_sector_number(&p, &be->be_length) < 0)
@@ -692,11 +749,16 @@ out_free_scratch:
__free_page(scratch);
out:
dprintk("%s returns %d\n", __func__, status);
- if (status) {
+ switch (status) {
+ case -ENODEV:
+ /* Our extent block devices are unavailable */
+ set_bit(NFS_LSEG_UNAVAILABLE, &lseg->pls_flags);
+ case 0:
+ return lseg;
+ default:
kfree(lseg);
return ERR_PTR(status);
}
- return lseg;
}
static void
@@ -798,6 +860,13 @@ bl_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)
}
pnfs_generic_pg_init_read(pgio, req);
+
+ if (pgio->pg_lseg &&
+ test_bit(NFS_LSEG_UNAVAILABLE, &pgio->pg_lseg->pls_flags)) {
+ pnfs_error_mark_layout_for_return(pgio->pg_inode, pgio->pg_lseg);
+ pnfs_set_lo_fail(pgio->pg_lseg);
+ nfs_pageio_reset_read_mds(pgio);
+ }
}
/*
@@ -853,6 +922,14 @@ bl_pg_init_write(struct nfs_pageio_descriptor *pgio, struct nfs_page *req)
wb_size = nfs_dreq_bytes_left(pgio->pg_dreq);
pnfs_generic_pg_init_write(pgio, req, wb_size);
+
+ if (pgio->pg_lseg &&
+ test_bit(NFS_LSEG_UNAVAILABLE, &pgio->pg_lseg->pls_flags)) {
+
+ pnfs_error_mark_layout_for_return(pgio->pg_inode, pgio->pg_lseg);
+ pnfs_set_lo_fail(pgio->pg_lseg);
+ nfs_pageio_reset_write_mds(pgio);
+ }
}
/*
@@ -887,6 +964,7 @@ static struct pnfs_layoutdriver_type blocklayout_type = {
.name = "LAYOUT_BLOCK_VOLUME",
.owner = THIS_MODULE,
.flags = PNFS_LAYOUTRET_ON_SETATTR |
+ PNFS_LAYOUTRET_ON_ERROR |
PNFS_READ_WHOLE_PAGE,
.read_pagelist = bl_read_pagelist,
.write_pagelist = bl_write_pagelist,
@@ -910,6 +988,7 @@ static struct pnfs_layoutdriver_type scsilayout_type = {
.name = "LAYOUT_SCSI",
.owner = THIS_MODULE,
.flags = PNFS_LAYOUTRET_ON_SETATTR |
+ PNFS_LAYOUTRET_ON_ERROR |
PNFS_READ_WHOLE_PAGE,
.read_pagelist = bl_read_pagelist,
.write_pagelist = bl_write_pagelist,
@@ -967,6 +1046,7 @@ static void __exit nfs4blocklayout_exit(void)
}
MODULE_ALIAS("nfs-layouttype4-3");
+MODULE_ALIAS("nfs-layouttype4-5");
module_init(nfs4blocklayout_init);
module_exit(nfs4blocklayout_exit);
diff --git a/fs/nfs/blocklayout/blocklayout.h b/fs/nfs/blocklayout/blocklayout.h
index efc007f00742..716bc75e9ed2 100644
--- a/fs/nfs/blocklayout/blocklayout.h
+++ b/fs/nfs/blocklayout/blocklayout.h
@@ -92,10 +92,9 @@ struct pnfs_block_volume {
};
struct pnfs_block_dev_map {
- sector_t start;
- sector_t len;
-
- sector_t disk_offset;
+ u64 start;
+ u64 len;
+ u64 disk_offset;
struct block_device *bdev;
};
diff --git a/fs/nfs/blocklayout/dev.c b/fs/nfs/blocklayout/dev.c
index 95f74bd2c067..a7efd83779d2 100644
--- a/fs/nfs/blocklayout/dev.c
+++ b/fs/nfs/blocklayout/dev.c
@@ -533,14 +533,11 @@ bl_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
goto out_free_volumes;
ret = bl_parse_deviceid(server, top, volumes, nr_volumes - 1, gfp_mask);
- if (ret) {
- bl_free_device(top);
- kfree(top);
- goto out_free_volumes;
- }
node = &top->node;
nfs4_init_deviceid_node(node, server, &pdev->dev_id);
+ if (ret)
+ nfs4_mark_deviceid_unavailable(node);
out_free_volumes:
kfree(volumes);
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index d2972d537469..8c10b0562e75 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -775,10 +775,8 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
spin_lock(&dreq->lock);
- if (test_bit(NFS_IOHDR_ERROR, &hdr->flags)) {
- dreq->flags = 0;
+ if (test_bit(NFS_IOHDR_ERROR, &hdr->flags))
dreq->error = hdr->error;
- }
if (dreq->error == 0) {
nfs_direct_good_bytes(dreq, hdr);
if (nfs_write_need_commit(hdr)) {
diff --git a/fs/nfs/export.c b/fs/nfs/export.c
index 83fd09fc8f77..ab5de3246c5c 100644
--- a/fs/nfs/export.c
+++ b/fs/nfs/export.c
@@ -48,10 +48,6 @@ nfs_encode_fh(struct inode *inode, __u32 *p, int *max_len, struct inode *parent)
*max_len = len;
return FILEID_INVALID;
}
- if (IS_AUTOMOUNT(inode)) {
- *max_len = FILEID_INVALID;
- goto out;
- }
p[FILEID_HIGH_OFF] = NFS_FILEID(inode) >> 32;
p[FILEID_LOW_OFF] = NFS_FILEID(inode);
@@ -59,7 +55,6 @@ nfs_encode_fh(struct inode *inode, __u32 *p, int *max_len, struct inode *parent)
p[len - 1] = 0; /* Padding */
nfs_copy_fh(clnt_fh, server_fh);
*max_len = len;
-out:
dprintk("%s: result fh fileid %llu mode %u size %d\n",
__func__, NFS_FILEID(inode), inode->i_mode, *max_len);
return *max_len;
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 4e54d8b5413a..d175724ff566 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -895,9 +895,7 @@ fl_pnfs_update_layout(struct inode *ino,
lseg = pnfs_update_layout(ino, ctx, pos, count, iomode, strict_iomode,
gfp_flags);
- if (!lseg)
- lseg = ERR_PTR(-ENOMEM);
- if (IS_ERR(lseg))
+ if (IS_ERR_OR_NULL(lseg))
goto out;
lo = NFS_I(ino)->layout;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 93552c482992..ceeaf0fb6657 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -735,12 +735,20 @@ int nfs_getattr(const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
- int need_atime = NFS_I(inode)->cache_validity & NFS_INO_INVALID_ATIME;
+ struct nfs_server *server = NFS_SERVER(inode);
+ unsigned long cache_validity;
int err = 0;
+ bool force_sync = query_flags & AT_STATX_FORCE_SYNC;
+ bool do_update = false;
trace_nfs_getattr_enter(inode);
+
+ if ((query_flags & AT_STATX_DONT_SYNC) && !force_sync)
+ goto out_no_update;
+
/* Flush out writes to the server in order to update c/mtime. */
- if (S_ISREG(inode->i_mode)) {
+ if ((request_mask & (STATX_CTIME|STATX_MTIME)) &&
+ S_ISREG(inode->i_mode)) {
err = filemap_write_and_wait(inode->i_mapping);
if (err)
goto out;
@@ -757,24 +765,42 @@ int nfs_getattr(const struct path *path, struct kstat *stat,
*/
if ((path->mnt->mnt_flags & MNT_NOATIME) ||
((path->mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)))
- need_atime = 0;
-
- if (need_atime || nfs_need_revalidate_inode(inode)) {
- struct nfs_server *server = NFS_SERVER(inode);
-
+ request_mask &= ~STATX_ATIME;
+
+ /* Is the user requesting attributes that might need revalidation? */
+ if (!(request_mask & (STATX_MODE|STATX_NLINK|STATX_ATIME|STATX_CTIME|
+ STATX_MTIME|STATX_UID|STATX_GID|
+ STATX_SIZE|STATX_BLOCKS)))
+ goto out_no_revalidate;
+
+ /* Check whether the cached attributes are stale */
+ do_update |= force_sync || nfs_attribute_cache_expired(inode);
+ cache_validity = READ_ONCE(NFS_I(inode)->cache_validity);
+ do_update |= cache_validity &
+ (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_LABEL);
+ if (request_mask & STATX_ATIME)
+ do_update |= cache_validity & NFS_INO_INVALID_ATIME;
+ if (request_mask & (STATX_CTIME|STATX_MTIME))
+ do_update |= cache_validity & NFS_INO_REVAL_PAGECACHE;
+ if (do_update) {
+ /* Update the attribute cache */
if (!(server->flags & NFS_MOUNT_NOAC))
nfs_readdirplus_parent_cache_miss(path->dentry);
else
nfs_readdirplus_parent_cache_hit(path->dentry);
err = __nfs_revalidate_inode(server, inode);
+ if (err)
+ goto out;
} else
nfs_readdirplus_parent_cache_hit(path->dentry);
- if (!err) {
- generic_fillattr(inode, stat);
- stat->ino = nfs_compat_user_ino64(NFS_FILEID(inode));
- if (S_ISDIR(inode->i_mode))
- stat->blksize = NFS_SERVER(inode)->dtsize;
- }
+out_no_revalidate:
+ /* Only return attributes that were revalidated. */
+ stat->result_mask &= request_mask;
+out_no_update:
+ generic_fillattr(inode, stat);
+ stat->ino = nfs_compat_user_ino64(NFS_FILEID(inode));
+ if (S_ISDIR(inode->i_mode))
+ stat->blksize = NFS_SERVER(inode)->dtsize;
out:
trace_nfs_getattr_exit(inode, err);
return err;
@@ -1144,7 +1170,6 @@ static int nfs_invalidate_mapping(struct inode *inode, struct address_space *map
if (mapping->nrpages != 0) {
if (S_ISREG(inode->i_mode)) {
- unmap_mapping_range(mapping, 0, 0, 0);
ret = nfs_sync_mapping(mapping);
if (ret < 0)
return ret;
diff --git a/fs/nfs/io.c b/fs/nfs/io.c
index 20fef85d2bb1..9034b4926909 100644
--- a/fs/nfs/io.c
+++ b/fs/nfs/io.c
@@ -99,7 +99,7 @@ static void nfs_block_buffered(struct nfs_inode *nfsi, struct inode *inode)
{
if (!test_bit(NFS_INO_ODIRECT, &nfsi->flags)) {
set_bit(NFS_INO_ODIRECT, &nfsi->flags);
- nfs_wb_all(inode);
+ nfs_sync_mapping(inode->i_mapping);
}
}
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 65a7e5da508c..04612c24d394 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -861,6 +861,7 @@ static int nfs4_set_client(struct nfs_server *server,
set_bit(NFS_CS_MIGRATION, &cl_init.init_flags);
if (test_bit(NFS_MIG_TSM_POSSIBLE, &server->mig_status))
set_bit(NFS_CS_TSM_POSSIBLE, &cl_init.init_flags);
+ server->port = rpc_get_port(addr);
/* Allocate or find a client reference we can use */
clp = nfs_get_client(&cl_init);
@@ -1123,19 +1124,36 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data,
/* Initialise the client representation from the parent server */
nfs_server_copy_userdata(server, parent_server);
- /* Get a client representation.
- * Note: NFSv4 always uses TCP, */
+ /* Get a client representation */
+#ifdef CONFIG_SUNRPC_XPRT_RDMA
+ rpc_set_port(data->addr, NFS_RDMA_PORT);
error = nfs4_set_client(server, data->hostname,
data->addr,
data->addrlen,
parent_client->cl_ipaddr,
- rpc_protocol(parent_server->client),
+ XPRT_TRANSPORT_RDMA,
+ parent_server->client->cl_timeout,
+ parent_client->cl_mvops->minor_version,
+ parent_client->cl_net);
+ if (!error)
+ goto init_server;
+#endif /* CONFIG_SUNRPC_XPRT_RDMA */
+
+ rpc_set_port(data->addr, NFS_PORT);
+ error = nfs4_set_client(server, data->hostname,
+ data->addr,
+ data->addrlen,
+ parent_client->cl_ipaddr,
+ XPRT_TRANSPORT_TCP,
parent_server->client->cl_timeout,
parent_client->cl_mvops->minor_version,
parent_client->cl_net);
if (error < 0)
goto error;
+#ifdef CONFIG_SUNRPC_XPRT_RDMA
+init_server:
+#endif
error = nfs_init_server_rpcclient(server, parent_server->client->cl_timeout, data->authflavor);
if (error < 0)
goto error;
diff --git a/fs/nfs/nfs4idmap.c b/fs/nfs/nfs4idmap.c
index 30426c1a1bbd..22dc30a679a0 100644
--- a/fs/nfs/nfs4idmap.c
+++ b/fs/nfs/nfs4idmap.c
@@ -568,9 +568,13 @@ static int nfs_idmap_legacy_upcall(struct key_construction *cons,
struct idmap_msg *im;
struct idmap *idmap = (struct idmap *)aux;
struct key *key = cons->key;
- int ret = -ENOMEM;
+ int ret = -ENOKEY;
+
+ if (!aux)
+ goto out1;
/* msg and im are freed in idmap_pipe_destroy_msg */
+ ret = -ENOMEM;
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
goto out1;
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index 8c3f327d858d..24f06dcc2b08 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -270,8 +270,6 @@ static struct vfsmount *try_location(struct nfs_clone_mount *mountdata,
if (mountdata->addrlen == 0)
continue;
- rpc_set_port(mountdata->addr, NFS_PORT);
-
memcpy(page2, buf->data, buf->len);
page2[buf->len] = '\0';
mountdata->hostname = page2;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 17a03f2c4330..47f3c273245e 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2020,7 +2020,7 @@ static int nfs4_open_reclaim(struct nfs4_state_owner *sp, struct nfs4_state *sta
return ret;
}
-static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct nfs4_state *state, const nfs4_stateid *stateid, int err)
+static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct nfs4_state *state, const nfs4_stateid *stateid, struct file_lock *fl, int err)
{
switch (err) {
default:
@@ -2067,7 +2067,11 @@ static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct
return -EAGAIN;
case -ENOMEM:
case -NFS4ERR_DENIED:
- /* kill_proc(fl->fl_pid, SIGLOST, 1); */
+ if (fl) {
+ struct nfs4_lock_state *lsp = fl->fl_u.nfs4_fl.owner;
+ if (lsp)
+ set_bit(NFS_LOCK_LOST, &lsp->ls_flags);
+ }
return 0;
}
return err;
@@ -2103,7 +2107,7 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx,
err = nfs4_open_recover_helper(opendata, FMODE_READ);
}
nfs4_opendata_put(opendata);
- return nfs4_handle_delegation_recall_error(server, state, stateid, err);
+ return nfs4_handle_delegation_recall_error(server, state, stateid, NULL, err);
}
static void nfs4_open_confirm_prepare(struct rpc_task *task, void *calldata)
@@ -3150,6 +3154,11 @@ static void nfs4_close_done(struct rpc_task *task, void *data)
struct nfs4_state *state = calldata->state;
struct nfs_server *server = NFS_SERVER(calldata->inode);
nfs4_stateid *res_stateid = NULL;
+ struct nfs4_exception exception = {
+ .state = state,
+ .inode = calldata->inode,
+ .stateid = &calldata->arg.stateid,
+ };
dprintk("%s: begin!\n", __func__);
if (!nfs4_sequence_done(task, &calldata->res.seq_res))
@@ -3215,7 +3224,9 @@ static void nfs4_close_done(struct rpc_task *task, void *data)
case -NFS4ERR_BAD_STATEID:
break;
default:
- if (nfs4_async_handle_error(task, server, state, NULL) == -EAGAIN)
+ task->tk_status = nfs4_async_handle_exception(task,
+ server, task->tk_status, &exception);
+ if (exception.retry)
goto out_restart;
}
nfs_clear_open_stateid(state, &calldata->arg.stateid,
@@ -5759,6 +5770,10 @@ struct nfs4_delegreturndata {
static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
{
struct nfs4_delegreturndata *data = calldata;
+ struct nfs4_exception exception = {
+ .inode = data->inode,
+ .stateid = &data->stateid,
+ };
if (!nfs4_sequence_done(task, &data->res.seq_res))
return;
@@ -5820,10 +5835,11 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
}
/* Fallthrough */
default:
- if (nfs4_async_handle_error(task, data->res.server,
- NULL, NULL) == -EAGAIN) {
+ task->tk_status = nfs4_async_handle_exception(task,
+ data->res.server, task->tk_status,
+ &exception);
+ if (exception.retry)
goto out_restart;
- }
}
data->rpc_status = task->tk_status;
return;
@@ -6061,6 +6077,10 @@ static void nfs4_locku_release_calldata(void *data)
static void nfs4_locku_done(struct rpc_task *task, void *data)
{
struct nfs4_unlockdata *calldata = data;
+ struct nfs4_exception exception = {
+ .inode = calldata->lsp->ls_state->inode,
+ .stateid = &calldata->arg.stateid,
+ };
if (!nfs4_sequence_done(task, &calldata->res.seq_res))
return;
@@ -6084,8 +6104,10 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
rpc_restart_call_prepare(task);
break;
default:
- if (nfs4_async_handle_error(task, calldata->server,
- NULL, NULL) == -EAGAIN)
+ task->tk_status = nfs4_async_handle_exception(task,
+ calldata->server, task->tk_status,
+ &exception);
+ if (exception.retry)
rpc_restart_call_prepare(task);
}
nfs_release_seqid(calldata->arg.seqid);
@@ -6741,7 +6763,7 @@ int nfs4_lock_delegation_recall(struct file_lock *fl, struct nfs4_state *state,
if (err != 0)
return err;
err = _nfs4_do_setlk(state, F_SETLK, fl, NFS_LOCK_NEW);
- return nfs4_handle_delegation_recall_error(server, state, stateid, err);
+ return nfs4_handle_delegation_recall_error(server, state, stateid, fl, err);
}
struct nfs_release_lockowner_data {
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index e4f4a09ed9f4..91a4d4eeb235 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1482,6 +1482,7 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_
struct inode *inode = state->inode;
struct nfs_inode *nfsi = NFS_I(inode);
struct file_lock *fl;
+ struct nfs4_lock_state *lsp;
int status = 0;
struct file_lock_context *flctx = inode->i_flctx;
struct list_head *list;
@@ -1522,7 +1523,9 @@ restart:
case -NFS4ERR_DENIED:
case -NFS4ERR_RECLAIM_BAD:
case -NFS4ERR_RECLAIM_CONFLICT:
- /* kill_proc(fl->fl_pid, SIGLOST, 1); */
+ lsp = fl->fl_u.nfs4_fl.owner;
+ if (lsp)
+ set_bit(NFS_LOCK_LOST, &lsp->ls_flags);
status = 0;
}
spin_lock(&flctx->flc_lock);
diff --git a/fs/nfs/nfs4sysctl.c b/fs/nfs/nfs4sysctl.c
index 0d91d84e5822..c394e4447100 100644
--- a/fs/nfs/nfs4sysctl.c
+++ b/fs/nfs/nfs4sysctl.c
@@ -32,7 +32,7 @@ static struct ctl_table nfs4_cb_sysctls[] = {
.data = &nfs_idmap_cache_timeout,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec_jiffies,
+ .proc_handler = proc_dointvec,
},
{ }
};
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 77c6729e57f0..65c9c4175145 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -7678,6 +7678,22 @@ nfs4_stat_to_errno(int stat)
.p_name = #proc, \
}
+#if defined(CONFIG_NFS_V4_1)
+#define PROC41(proc, argtype, restype) \
+ PROC(proc, argtype, restype)
+#else
+#define PROC41(proc, argtype, restype) \
+ STUB(proc)
+#endif
+
+#if defined(CONFIG_NFS_V4_2)
+#define PROC42(proc, argtype, restype) \
+ PROC(proc, argtype, restype)
+#else
+#define PROC42(proc, argtype, restype) \
+ STUB(proc)
+#endif
+
const struct rpc_procinfo nfs4_procedures[] = {
PROC(READ, enc_read, dec_read),
PROC(WRITE, enc_write, dec_write),
@@ -7698,7 +7714,6 @@ const struct rpc_procinfo nfs4_procedures[] = {
PROC(ACCESS, enc_access, dec_access),
PROC(GETATTR, enc_getattr, dec_getattr),
PROC(LOOKUP, enc_lookup, dec_lookup),
- PROC(LOOKUPP, enc_lookupp, dec_lookupp),
PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root),
PROC(REMOVE, enc_remove, dec_remove),
PROC(RENAME, enc_rename, dec_rename),
@@ -7717,33 +7732,30 @@ const struct rpc_procinfo nfs4_procedures[] = {
PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner),
PROC(SECINFO, enc_secinfo, dec_secinfo),
PROC(FSID_PRESENT, enc_fsid_present, dec_fsid_present),
-#if defined(CONFIG_NFS_V4_1)
- PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id),
- PROC(CREATE_SESSION, enc_create_session, dec_create_session),
- PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session),
- PROC(SEQUENCE, enc_sequence, dec_sequence),
- PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time),
- PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete),
- PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo),
- PROC(LAYOUTGET, enc_layoutget, dec_layoutget),
- PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit),
- PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn),
- PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name),
- PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid),
- PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid),
+ PROC41(EXCHANGE_ID, enc_exchange_id, dec_exchange_id),
+ PROC41(CREATE_SESSION, enc_create_session, dec_create_session),
+ PROC41(DESTROY_SESSION, enc_destroy_session, dec_destroy_session),
+ PROC41(SEQUENCE, enc_sequence, dec_sequence),
+ PROC41(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time),
+ PROC41(RECLAIM_COMPLETE,enc_reclaim_complete, dec_reclaim_complete),
+ PROC41(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo),
+ PROC41(LAYOUTGET, enc_layoutget, dec_layoutget),
+ PROC41(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit),
+ PROC41(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn),
+ PROC41(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name),
+ PROC41(TEST_STATEID, enc_test_stateid, dec_test_stateid),
+ PROC41(FREE_STATEID, enc_free_stateid, dec_free_stateid),
STUB(GETDEVICELIST),
- PROC(BIND_CONN_TO_SESSION,
+ PROC41(BIND_CONN_TO_SESSION,
enc_bind_conn_to_session, dec_bind_conn_to_session),
- PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid),
-#endif /* CONFIG_NFS_V4_1 */
-#ifdef CONFIG_NFS_V4_2
- PROC(SEEK, enc_seek, dec_seek),
- PROC(ALLOCATE, enc_allocate, dec_allocate),
- PROC(DEALLOCATE, enc_deallocate, dec_deallocate),
- PROC(LAYOUTSTATS, enc_layoutstats, dec_layoutstats),
- PROC(CLONE, enc_clone, dec_clone),
- PROC(COPY, enc_copy, dec_copy),
-#endif /* CONFIG_NFS_V4_2 */
+ PROC41(DESTROY_CLIENTID,enc_destroy_clientid, dec_destroy_clientid),
+ PROC42(SEEK, enc_seek, dec_seek),
+ PROC42(ALLOCATE, enc_allocate, dec_allocate),
+ PROC42(DEALLOCATE, enc_deallocate, dec_deallocate),
+ PROC42(LAYOUTSTATS, enc_layoutstats, dec_layoutstats),
+ PROC42(CLONE, enc_clone, dec_clone),
+ PROC42(COPY, enc_copy, dec_copy),
+ PROC(LOOKUPP, enc_lookupp, dec_lookupp),
};
static unsigned int nfs_version4_counts[ARRAY_SIZE(nfs4_procedures)];
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 610d89d8942e..bd60f8d1e181 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -797,15 +797,15 @@ TRACE_EVENT(nfs_readpage_done,
)
);
-/*
- * XXX: I tried using NFS_UNSTABLE and friends in this table, but they
- * all evaluate to 0 for some reason, even if I include linux/nfs.h.
- */
+TRACE_DEFINE_ENUM(NFS_UNSTABLE);
+TRACE_DEFINE_ENUM(NFS_DATA_SYNC);
+TRACE_DEFINE_ENUM(NFS_FILE_SYNC);
+
#define nfs_show_stable(stable) \
__print_symbolic(stable, \
- { 0, " (UNSTABLE)" }, \
- { 1, " (DATA_SYNC)" }, \
- { 2, " (FILE_SYNC)" })
+ { NFS_UNSTABLE, "UNSTABLE" }, \
+ { NFS_DATA_SYNC, "DATA_SYNC" }, \
+ { NFS_FILE_SYNC, "FILE_SYNC" })
TRACE_EVENT(nfs_initiate_write,
TP_PROTO(
@@ -838,12 +838,12 @@ TRACE_EVENT(nfs_initiate_write,
TP_printk(
"fileid=%02x:%02x:%llu fhandle=0x%08x "
- "offset=%lld count=%lu stable=%d%s",
+ "offset=%lld count=%lu stable=%s",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle,
__entry->offset, __entry->count,
- __entry->stable, nfs_show_stable(__entry->stable)
+ nfs_show_stable(__entry->stable)
)
);
@@ -882,13 +882,13 @@ TRACE_EVENT(nfs_writeback_done,
TP_printk(
"fileid=%02x:%02x:%llu fhandle=0x%08x "
- "offset=%lld status=%d stable=%d%s "
+ "offset=%lld status=%d stable=%s "
"verifier 0x%016llx",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle,
__entry->offset, __entry->status,
- __entry->stable, nfs_show_stable(__entry->stable),
+ nfs_show_stable(__entry->stable),
__entry->verifier
)
);
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index d0543e19098a..18a7626ac638 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -537,7 +537,7 @@ EXPORT_SYMBOL_GPL(nfs_pgio_header_free);
* @cinfo: Commit information for the call (writes only)
*/
static void nfs_pgio_rpcsetup(struct nfs_pgio_header *hdr,
- unsigned int count, unsigned int offset,
+ unsigned int count,
int how, struct nfs_commit_info *cinfo)
{
struct nfs_page *req = hdr->req;
@@ -546,10 +546,10 @@ static void nfs_pgio_rpcsetup(struct nfs_pgio_header *hdr,
* NB: take care not to mess about with hdr->commit et al. */
hdr->args.fh = NFS_FH(hdr->inode);
- hdr->args.offset = req_offset(req) + offset;
+ hdr->args.offset = req_offset(req);
/* pnfs_set_layoutcommit needs this */
hdr->mds_offset = hdr->args.offset;
- hdr->args.pgbase = req->wb_pgbase + offset;
+ hdr->args.pgbase = req->wb_pgbase;
hdr->args.pages = hdr->page_array.pagevec;
hdr->args.count = count;
hdr->args.context = get_nfs_open_context(req->wb_context);
@@ -789,7 +789,7 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
desc->pg_ioflags &= ~FLUSH_COND_STABLE;
/* Set up the argument struct */
- nfs_pgio_rpcsetup(hdr, mirror->pg_count, 0, desc->pg_ioflags, &cinfo);
+ nfs_pgio_rpcsetup(hdr, mirror->pg_count, desc->pg_ioflags, &cinfo);
desc->pg_rpc_callops = &nfs_pgio_common_ops;
return 0;
}
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index d602fe9e1ac8..c13e826614b5 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -655,7 +655,7 @@ pnfs_mark_matching_lsegs_invalid(struct pnfs_layout_hdr *lo,
return 0;
list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list)
if (pnfs_match_lseg_recall(lseg, recall_range, seq)) {
- dprintk("%s: freeing lseg %p iomode %d seq %u"
+ dprintk("%s: freeing lseg %p iomode %d seq %u "
"offset %llu length %llu\n", __func__,
lseg, lseg->pls_range.iomode, lseg->pls_seq,
lseg->pls_range.offset, lseg->pls_range.length);
@@ -2255,7 +2255,7 @@ pnfs_write_through_mds(struct nfs_pageio_descriptor *desc,
nfs_pageio_reset_write_mds(desc);
mirror->pg_recoalesce = 1;
}
- hdr->release(hdr);
+ hdr->completion_ops->completion(hdr);
}
static enum pnfs_try_status
@@ -2378,7 +2378,7 @@ pnfs_read_through_mds(struct nfs_pageio_descriptor *desc,
nfs_pageio_reset_read_mds(desc);
mirror->pg_recoalesce = 1;
}
- hdr->release(hdr);
+ hdr->completion_ops->completion(hdr);
}
/*
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 8d507c361d98..daf6cbf5c15f 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -40,6 +40,7 @@ enum {
NFS_LSEG_ROC, /* roc bit received from server */
NFS_LSEG_LAYOUTCOMMIT, /* layoutcommit bit set for layoutcommit */
NFS_LSEG_LAYOUTRETURN, /* layoutreturn bit set for layoutreturn */
+ NFS_LSEG_UNAVAILABLE, /* unavailable bit set for temporary problem */
};
/* Individual ip address */
@@ -86,6 +87,7 @@ enum pnfs_try_status {
*/
#define NFS4_DEF_DS_TIMEO 600 /* in tenths of a second */
#define NFS4_DEF_DS_RETRANS 5
+#define PNFS_DEVICE_RETRY_TIMEOUT (120*HZ)
/* error codes for internal use */
#define NFS4ERR_RESET_TO_MDS 12001
@@ -524,8 +526,10 @@ static inline int pnfs_return_layout(struct inode *ino)
struct nfs_inode *nfsi = NFS_I(ino);
struct nfs_server *nfss = NFS_SERVER(ino);
- if (pnfs_enabled_sb(nfss) && nfsi->layout)
+ if (pnfs_enabled_sb(nfss) && nfsi->layout) {
+ set_bit(NFS_LAYOUT_RETURN_REQUESTED, &nfsi->layout->plh_flags);
return _pnfs_return_layout(ino);
+ }
return 0;
}
diff --git a/fs/nfs/pnfs_dev.c b/fs/nfs/pnfs_dev.c
index 2961fcd7a2df..e8a07b3f9aaa 100644
--- a/fs/nfs/pnfs_dev.c
+++ b/fs/nfs/pnfs_dev.c
@@ -43,7 +43,6 @@
#define NFS4_DEVICE_ID_HASH_SIZE (1 << NFS4_DEVICE_ID_HASH_BITS)
#define NFS4_DEVICE_ID_HASH_MASK (NFS4_DEVICE_ID_HASH_SIZE - 1)
-#define PNFS_DEVICE_RETRY_TIMEOUT (120*HZ)
static struct hlist_head nfs4_deviceid_cache[NFS4_DEVICE_ID_HASH_SIZE];
static DEFINE_SPINLOCK(nfs4_deviceid_lock);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 12b2d477836b..7428a669d7a7 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1835,6 +1835,8 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
set_bit(NFS_CONTEXT_RESEND_WRITES, &req->wb_context->flags);
next:
nfs_unlock_and_release_request(req);
+ /* Latency breaker */
+ cond_resched();
}
nfss = NFS_SERVER(data->inode);
if (atomic_long_read(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH)