238 lines
8.1 KiB
Diff
238 lines
8.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: "Jan Alexander Steffens (heftig)" <heftig@archlinux.org>
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Date: Sat, 6 Aug 2022 22:54:33 +0200
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Subject: [PATCH] Fix NFSv4 mount regression
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This reverts commit 6f2836341d8a (NFSv4.1 query for fs_location attr on
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a new file system, 2022-01-12).
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For: https://bugs.archlinux.org/task/73838
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For: https://bugs.archlinux.org/task/73860
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---
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fs/nfs/client.c | 7 ----
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fs/nfs/nfs4_fs.h | 9 +++--
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fs/nfs/nfs4proc.c | 76 ++++++-----------------------------------
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fs/nfs/nfs4state.c | 3 +-
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include/linux/nfs_xdr.h | 1 -
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5 files changed, 15 insertions(+), 81 deletions(-)
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diff --git a/fs/nfs/client.c b/fs/nfs/client.c
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index 090b16890e3d..551833862171 100644
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--- a/fs/nfs/client.c
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+++ b/fs/nfs/client.c
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@@ -860,13 +860,6 @@ int nfs_probe_fsinfo(struct nfs_server *server, struct nfs_fh *mntfh, struct nfs
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server->namelen = pathinfo.max_namelen;
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}
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- if (clp->rpc_ops->discover_trunking != NULL &&
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- (server->caps & NFS_CAP_FS_LOCATIONS)) {
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- error = clp->rpc_ops->discover_trunking(server, mntfh);
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- if (error < 0)
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- return error;
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- }
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-
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return 0;
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}
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EXPORT_SYMBOL_GPL(nfs_probe_fsinfo);
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diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
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index f8672a34fd63..36471dd0e82b 100644
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--- a/fs/nfs/nfs4_fs.h
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+++ b/fs/nfs/nfs4_fs.h
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@@ -261,8 +261,8 @@ struct nfs4_state_maintenance_ops {
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};
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struct nfs4_mig_recovery_ops {
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- int (*get_locations)(struct nfs_server *, struct nfs_fh *,
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- struct nfs4_fs_locations *, struct page *, const struct cred *);
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+ int (*get_locations)(struct inode *, struct nfs4_fs_locations *,
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+ struct page *, const struct cred *);
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int (*fsid_present)(struct inode *, const struct cred *);
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};
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@@ -304,9 +304,8 @@ extern int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait);
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extern int nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle);
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extern int nfs4_proc_fs_locations(struct rpc_clnt *, struct inode *, const struct qstr *,
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struct nfs4_fs_locations *, struct page *);
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-extern int nfs4_proc_get_locations(struct nfs_server *, struct nfs_fh *,
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- struct nfs4_fs_locations *,
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- struct page *page, const struct cred *);
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+extern int nfs4_proc_get_locations(struct inode *, struct nfs4_fs_locations *,
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+ struct page *page, const struct cred *);
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extern int nfs4_proc_fsid_present(struct inode *, const struct cred *);
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extern struct rpc_clnt *nfs4_proc_lookup_mountpoint(struct inode *,
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struct dentry *,
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diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
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index cbb39aff8182..3d4dee10cb11 100644
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--- a/fs/nfs/nfs4proc.c
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+++ b/fs/nfs/nfs4proc.c
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@@ -3963,60 +3963,6 @@ int nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle)
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return err;
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}
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-static int _nfs4_discover_trunking(struct nfs_server *server,
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- struct nfs_fh *fhandle)
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-{
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- struct nfs4_fs_locations *locations = NULL;
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- struct page *page;
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- const struct cred *cred;
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- struct nfs_client *clp = server->nfs_client;
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- const struct nfs4_state_maintenance_ops *ops =
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- clp->cl_mvops->state_renewal_ops;
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- int status = -ENOMEM;
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-
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- cred = ops->get_state_renewal_cred(clp);
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- if (cred == NULL) {
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- cred = nfs4_get_clid_cred(clp);
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- if (cred == NULL)
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- return -ENOKEY;
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- }
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-
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- page = alloc_page(GFP_KERNEL);
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- locations = kmalloc(sizeof(struct nfs4_fs_locations), GFP_KERNEL);
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- if (page == NULL || locations == NULL)
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- goto out;
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-
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- status = nfs4_proc_get_locations(server, fhandle, locations, page,
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- cred);
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- if (status)
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- goto out;
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-out:
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- if (page)
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- __free_page(page);
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- kfree(locations);
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- return status;
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-}
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-
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-static int nfs4_discover_trunking(struct nfs_server *server,
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- struct nfs_fh *fhandle)
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-{
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- struct nfs4_exception exception = {
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- .interruptible = true,
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- };
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- struct nfs_client *clp = server->nfs_client;
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- int err = 0;
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-
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- if (!nfs4_has_session(clp))
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- goto out;
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- do {
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- err = nfs4_handle_exception(server,
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- _nfs4_discover_trunking(server, fhandle),
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- &exception);
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- } while (exception.retry);
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-out:
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- return err;
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-}
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-
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static int _nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
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struct nfs_fsinfo *info)
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{
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@@ -7952,18 +7898,18 @@ int nfs4_proc_fs_locations(struct rpc_clnt *client, struct inode *dir,
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* appended to this compound to identify the client ID which is
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* performing recovery.
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*/
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-static int _nfs40_proc_get_locations(struct nfs_server *server,
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- struct nfs_fh *fhandle,
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+static int _nfs40_proc_get_locations(struct inode *inode,
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struct nfs4_fs_locations *locations,
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struct page *page, const struct cred *cred)
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{
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+ struct nfs_server *server = NFS_SERVER(inode);
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struct rpc_clnt *clnt = server->client;
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u32 bitmask[2] = {
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[0] = FATTR4_WORD0_FSID | FATTR4_WORD0_FS_LOCATIONS,
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};
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struct nfs4_fs_locations_arg args = {
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.clientid = server->nfs_client->cl_clientid,
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- .fh = fhandle,
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+ .fh = NFS_FH(inode),
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.page = page,
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.bitmask = bitmask,
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.migration = 1, /* skip LOOKUP */
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@@ -8009,17 +7955,17 @@ static int _nfs40_proc_get_locations(struct nfs_server *server,
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* When the client supports GETATTR(fs_locations_info), it can
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* be plumbed in here.
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*/
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-static int _nfs41_proc_get_locations(struct nfs_server *server,
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- struct nfs_fh *fhandle,
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+static int _nfs41_proc_get_locations(struct inode *inode,
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struct nfs4_fs_locations *locations,
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struct page *page, const struct cred *cred)
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{
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+ struct nfs_server *server = NFS_SERVER(inode);
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struct rpc_clnt *clnt = server->client;
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u32 bitmask[2] = {
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[0] = FATTR4_WORD0_FSID | FATTR4_WORD0_FS_LOCATIONS,
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};
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struct nfs4_fs_locations_arg args = {
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- .fh = fhandle,
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+ .fh = NFS_FH(inode),
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.page = page,
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.bitmask = bitmask,
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.migration = 1, /* skip LOOKUP */
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@@ -8068,28 +8014,27 @@ static int _nfs41_proc_get_locations(struct nfs_server *server,
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* -NFS4ERR_LEASE_MOVED is returned if the server still has leases
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* from this client that require migration recovery.
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*/
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-int nfs4_proc_get_locations(struct nfs_server *server,
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- struct nfs_fh *fhandle,
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+int nfs4_proc_get_locations(struct inode *inode,
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struct nfs4_fs_locations *locations,
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struct page *page, const struct cred *cred)
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{
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+ struct nfs_server *server = NFS_SERVER(inode);
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struct nfs_client *clp = server->nfs_client;
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const struct nfs4_mig_recovery_ops *ops =
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clp->cl_mvops->mig_recovery_ops;
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struct nfs4_exception exception = {
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.interruptible = true,
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};
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int status;
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dprintk("%s: FSID %llx:%llx on \"%s\"\n", __func__,
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(unsigned long long)server->fsid.major,
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(unsigned long long)server->fsid.minor,
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clp->cl_hostname);
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- nfs_display_fhandle(fhandle, __func__);
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+ nfs_display_fhandle(NFS_FH(inode), __func__);
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do {
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- status = ops->get_locations(server, fhandle, locations, page,
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- cred);
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+ status = ops->get_locations(inode, locations, page, cred);
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if (status != -NFS4ERR_DELAY)
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break;
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nfs4_handle_exception(server, status, &exception);
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@@ -10586,7 +10531,6 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
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.free_client = nfs4_free_client,
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.create_server = nfs4_create_server,
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.clone_server = nfs_clone_server,
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- .discover_trunking = nfs4_discover_trunking,
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};
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static const struct xattr_handler nfs4_xattr_nfs4_acl_handler = {
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diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
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index 83c88b54d712..42707e12d35c 100644
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--- a/fs/nfs/nfs4state.c
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+++ b/fs/nfs/nfs4state.c
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@@ -2098,8 +2098,7 @@ static int nfs4_try_migration(struct nfs_server *server, const struct cred *cred
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}
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inode = d_inode(server->super->s_root);
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- result = nfs4_proc_get_locations(server, NFS_FH(inode), locations,
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- page, cred);
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+ result = nfs4_proc_get_locations(inode, locations, page, cred);
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if (result) {
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dprintk("<-- %s: failed to retrieve fs_locations: %d\n",
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__func__, result);
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diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
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index ecd74cc34797..e9698b6278a5 100644
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--- a/include/linux/nfs_xdr.h
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+++ b/include/linux/nfs_xdr.h
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@@ -1805,7 +1805,6 @@ struct nfs_rpc_ops {
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struct nfs_server *(*create_server)(struct fs_context *);
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struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
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struct nfs_fattr *, rpc_authflavor_t);
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- int (*discover_trunking)(struct nfs_server *, struct nfs_fh *);
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};
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/*
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