From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/fs/nfs/flexfilelayout/flexfilelayoutdev.c | 179 ++++++++++++++++++++++-------------------------------------
1 files changed, 66 insertions(+), 113 deletions(-)
diff --git a/kernel/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/kernel/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index f1f0519..1f12297 100644
--- a/kernel/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/kernel/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -183,56 +183,6 @@
return NULL;
}
-static void ff_layout_mark_devid_invalid(struct pnfs_layout_segment *lseg,
- struct nfs4_deviceid_node *devid)
-{
- nfs4_delete_deviceid(devid->ld, devid->nfs_client, &devid->deviceid);
- if (!ff_layout_has_available_ds(lseg))
- pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode,
- lseg);
-}
-
-static bool ff_layout_mirror_valid(struct pnfs_layout_segment *lseg,
- struct nfs4_ff_layout_mirror *mirror,
- bool create)
-{
- if (mirror == NULL || IS_ERR(mirror->mirror_ds))
- goto outerr;
- if (mirror->mirror_ds == NULL) {
- if (create) {
- struct nfs4_deviceid_node *node;
- struct pnfs_layout_hdr *lh = lseg->pls_layout;
- struct nfs4_ff_layout_ds *mirror_ds = ERR_PTR(-ENODEV);
-
- node = nfs4_find_get_deviceid(NFS_SERVER(lh->plh_inode),
- &mirror->devid, lh->plh_lc_cred,
- GFP_KERNEL);
- if (node)
- mirror_ds = FF_LAYOUT_MIRROR_DS(node);
-
- /* check for race with another call to this function */
- if (cmpxchg(&mirror->mirror_ds, NULL, mirror_ds) &&
- mirror_ds != ERR_PTR(-ENODEV))
- nfs4_put_deviceid_node(node);
- } else
- goto outerr;
- }
-
- if (IS_ERR(mirror->mirror_ds))
- goto outerr;
-
- if (mirror->mirror_ds->ds == NULL) {
- struct nfs4_deviceid_node *devid;
- devid = &mirror->mirror_ds->id_node;
- ff_layout_mark_devid_invalid(lseg, devid);
- return false;
- }
- return true;
-outerr:
- pnfs_error_mark_layout_for_return(lseg->pls_layout->plh_inode, lseg);
- return false;
-}
-
static void extend_ds_error(struct nfs4_ff_layout_ds_err *err,
u64 offset, u64 length)
{
@@ -326,14 +276,13 @@
spin_lock(&flo->generic_hdr.plh_inode->i_lock);
ff_layout_add_ds_error_locked(flo, dserr);
spin_unlock(&flo->generic_hdr.plh_inode->i_lock);
-
return 0;
}
-static struct rpc_cred *
+static const struct cred *
ff_layout_get_mirror_cred(struct nfs4_ff_layout_mirror *mirror, u32 iomode)
{
- struct rpc_cred *cred, __rcu **pcred;
+ const struct cred *cred, __rcu **pcred;
if (iomode == IOMODE_READ)
pcred = &mirror->ro_cred;
@@ -346,53 +295,61 @@
if (!cred)
break;
- cred = get_rpccred_rcu(cred);
+ cred = get_cred_rcu(cred);
} while(!cred);
rcu_read_unlock();
return cred;
}
struct nfs_fh *
-nfs4_ff_layout_select_ds_fh(struct pnfs_layout_segment *lseg, u32 mirror_idx)
+nfs4_ff_layout_select_ds_fh(struct nfs4_ff_layout_mirror *mirror)
{
- struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, mirror_idx);
- struct nfs_fh *fh = NULL;
-
- if (!ff_layout_mirror_valid(lseg, mirror, false)) {
- pr_err_ratelimited("NFS: %s: No data server for mirror offset index %d\n",
- __func__, mirror_idx);
- goto out;
- }
-
/* FIXME: For now assume there is only 1 version available for the DS */
- fh = &mirror->fh_versions[0];
-out:
- return fh;
+ return &mirror->fh_versions[0];
}
-int
-nfs4_ff_layout_select_ds_stateid(struct pnfs_layout_segment *lseg,
- u32 mirror_idx,
- nfs4_stateid *stateid)
+void
+nfs4_ff_layout_select_ds_stateid(const struct nfs4_ff_layout_mirror *mirror,
+ nfs4_stateid *stateid)
{
- struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, mirror_idx);
+ if (nfs4_ff_layout_ds_version(mirror) == 4)
+ nfs4_stateid_copy(stateid, &mirror->stateid);
+}
- if (!ff_layout_mirror_valid(lseg, mirror, false)) {
- pr_err_ratelimited("NFS: %s: No data server for mirror offset index %d\n",
- __func__, mirror_idx);
- goto out;
+static bool
+ff_layout_init_mirror_ds(struct pnfs_layout_hdr *lo,
+ struct nfs4_ff_layout_mirror *mirror)
+{
+ if (mirror == NULL)
+ goto outerr;
+ if (mirror->mirror_ds == NULL) {
+ struct nfs4_deviceid_node *node;
+ struct nfs4_ff_layout_ds *mirror_ds = ERR_PTR(-ENODEV);
+
+ node = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode),
+ &mirror->devid, lo->plh_lc_cred,
+ GFP_KERNEL);
+ if (node)
+ mirror_ds = FF_LAYOUT_MIRROR_DS(node);
+
+ /* check for race with another call to this function */
+ if (cmpxchg(&mirror->mirror_ds, NULL, mirror_ds) &&
+ mirror_ds != ERR_PTR(-ENODEV))
+ nfs4_put_deviceid_node(node);
}
- nfs4_stateid_copy(stateid, &mirror->stateid);
- return 1;
-out:
- return 0;
+ if (IS_ERR(mirror->mirror_ds))
+ goto outerr;
+
+ return true;
+outerr:
+ return false;
}
/**
* nfs4_ff_layout_prepare_ds - prepare a DS connection for an RPC call
* @lseg: the layout segment we're operating on
- * @ds_idx: index of the DS to use
+ * @mirror: layout mirror describing the DS to use
* @fail_return: return layout on connect failure?
*
* Try to prepare a DS connection to accept an RPC call. This involves
@@ -407,26 +364,18 @@
* Returns a pointer to a connected DS object on success or NULL on failure.
*/
struct nfs4_pnfs_ds *
-nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx,
+nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg,
+ struct nfs4_ff_layout_mirror *mirror,
bool fail_return)
{
- struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, ds_idx);
struct nfs4_pnfs_ds *ds = NULL;
- struct nfs4_deviceid_node *devid;
struct inode *ino = lseg->pls_layout->plh_inode;
struct nfs_server *s = NFS_SERVER(ino);
unsigned int max_payload;
int status;
- if (!ff_layout_mirror_valid(lseg, mirror, true)) {
- pr_err_ratelimited("NFS: %s: No data server for offset index %d\n",
- __func__, ds_idx);
- goto out;
- }
-
- devid = &mirror->mirror_ds->id_node;
- if (ff_layout_test_devid_unavailable(devid))
- goto out_fail;
+ if (!ff_layout_init_mirror_ds(lseg->pls_layout, mirror))
+ goto noconnect;
ds = mirror->mirror_ds->ds;
if (READ_ONCE(ds->ds_clp))
@@ -437,8 +386,8 @@
/* FIXME: For now we assume the server sent only one version of NFS
* to use for the DS.
*/
- status = nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
- dataserver_retrans,
+ status = nfs4_pnfs_ds_connect(s, ds, &mirror->mirror_ds->id_node,
+ dataserver_timeo, dataserver_retrans,
mirror->mirror_ds->ds_versions[0].version,
mirror->mirror_ds->ds_versions[0].minor_version);
@@ -453,11 +402,12 @@
mirror->mirror_ds->ds_versions[0].wsize = max_payload;
goto out;
}
-out_fail:
+noconnect:
ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout),
mirror, lseg->pls_range.offset,
lseg->pls_range.length, NFS4ERR_NXIO,
OP_ILLEGAL, GFP_NOIO);
+ ff_layout_send_layouterror(lseg);
if (fail_return || !ff_layout_has_available_ds(lseg))
pnfs_error_mark_layout_for_return(ino, lseg);
ds = NULL;
@@ -465,33 +415,36 @@
return ds;
}
-struct rpc_cred *
-ff_layout_get_ds_cred(struct pnfs_layout_segment *lseg, u32 ds_idx,
- struct rpc_cred *mdscred)
+const struct cred *
+ff_layout_get_ds_cred(struct nfs4_ff_layout_mirror *mirror,
+ const struct pnfs_layout_range *range,
+ const struct cred *mdscred)
{
- struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, ds_idx);
- struct rpc_cred *cred;
+ const struct cred *cred;
- if (mirror) {
- cred = ff_layout_get_mirror_cred(mirror, lseg->pls_range.iomode);
+ if (mirror && !mirror->mirror_ds->ds_versions[0].tightly_coupled) {
+ cred = ff_layout_get_mirror_cred(mirror, range->iomode);
if (!cred)
- cred = get_rpccred(mdscred);
+ cred = get_cred(mdscred);
} else {
- cred = get_rpccred(mdscred);
+ cred = get_cred(mdscred);
}
return cred;
}
/**
-* Find or create a DS rpc client with th MDS server rpc client auth flavor
-* in the nfs_client cl_ds_clients list.
-*/
+ * nfs4_ff_find_or_create_ds_client - Find or create a DS rpc client
+ * @mirror: pointer to the mirror
+ * @ds_clp: nfs_client for the DS
+ * @inode: pointer to inode
+ *
+ * Find or create a DS rpc client with th MDS server rpc client auth flavor
+ * in the nfs_client cl_ds_clients list.
+ */
struct rpc_clnt *
-nfs4_ff_find_or_create_ds_client(struct pnfs_layout_segment *lseg, u32 ds_idx,
+nfs4_ff_find_or_create_ds_client(struct nfs4_ff_layout_mirror *mirror,
struct nfs_client *ds_clp, struct inode *inode)
{
- struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, ds_idx);
-
switch (mirror->mirror_ds->ds_versions[0].version) {
case 3:
/* For NFSv3 DS, flavor is set when creating DS connections */
@@ -608,7 +561,7 @@
if (IS_ERR(mirror->mirror_ds))
continue;
devid = &mirror->mirror_ds->id_node;
- if (!ff_layout_test_devid_unavailable(devid))
+ if (!nfs4_test_deviceid_unavailable(devid))
return true;
}
}
@@ -629,7 +582,7 @@
if (!mirror->mirror_ds)
continue;
devid = &mirror->mirror_ds->id_node;
- if (ff_layout_test_devid_unavailable(devid))
+ if (nfs4_test_deviceid_unavailable(devid))
return false;
}
--
Gitblit v1.6.2