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-rw-r--r--fs/nfsd/export.c4
-rw-r--r--fs/nfsd/export.h2
-rw-r--r--fs/nfsd/filecache.c34
-rw-r--r--fs/nfsd/filecache.h4
-rw-r--r--fs/nfsd/localio.c11
-rw-r--r--fs/nfsd/nfsctl.c2
-rw-r--r--fs/nfsd/nfssvc.c7
-rw-r--r--fs/nfsd/trace.h27
-rw-r--r--fs/nfsd/vfs.h4
9 files changed, 86 insertions, 9 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index cadfc2bae60e..caa695c06efb 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -402,7 +402,7 @@ static struct svc_export *svc_export_update(struct svc_export *new,
struct svc_export *old);
static struct svc_export *svc_export_lookup(struct svc_export *);
-static int check_export(struct path *path, int *flags, unsigned char *uuid)
+static int check_export(const struct path *path, int *flags, unsigned char *uuid)
{
struct inode *inode = d_inode(path->dentry);
@@ -1181,7 +1181,7 @@ denied:
* use exp_get_by_name() or exp_find().
*/
struct svc_export *
-rqst_exp_get_by_name(struct svc_rqst *rqstp, struct path *path)
+rqst_exp_get_by_name(struct svc_rqst *rqstp, const struct path *path)
{
struct svc_export *gssexp, *exp = ERR_PTR(-ENOENT);
struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h
index b9c0adb3ce09..cb36e6cce829 100644
--- a/fs/nfsd/export.h
+++ b/fs/nfsd/export.h
@@ -111,7 +111,7 @@ int nfsd_export_init(struct net *);
void nfsd_export_shutdown(struct net *);
void nfsd_export_flush(struct net *);
struct svc_export * rqst_exp_get_by_name(struct svc_rqst *,
- struct path *);
+ const struct path *);
struct svc_export * rqst_exp_parent(struct svc_rqst *,
struct path *);
struct svc_export * rqst_find_fsidzero_export(struct svc_rqst *);
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 85ca663c052c..e010d90aeb27 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -231,6 +231,9 @@ nfsd_file_alloc(struct net *net, struct inode *inode, unsigned char need,
refcount_set(&nf->nf_ref, 1);
nf->nf_may = need;
nf->nf_mark = NULL;
+ nf->nf_dio_mem_align = 0;
+ nf->nf_dio_offset_align = 0;
+ nf->nf_dio_read_offset_align = 0;
return nf;
}
@@ -1070,6 +1073,35 @@ nfsd_file_is_cached(struct inode *inode)
}
static __be32
+nfsd_file_get_dio_attrs(const struct svc_fh *fhp, struct nfsd_file *nf)
+{
+ struct inode *inode = file_inode(nf->nf_file);
+ struct kstat stat;
+ __be32 status;
+
+ /* Currently only need to get DIO alignment info for regular files */
+ if (!S_ISREG(inode->i_mode))
+ return nfs_ok;
+
+ status = fh_getattr(fhp, &stat);
+ if (status != nfs_ok)
+ return status;
+
+ trace_nfsd_file_get_dio_attrs(inode, &stat);
+
+ if (stat.result_mask & STATX_DIOALIGN) {
+ nf->nf_dio_mem_align = stat.dio_mem_align;
+ nf->nf_dio_offset_align = stat.dio_offset_align;
+ }
+ if (stat.result_mask & STATX_DIO_READ_ALIGN)
+ nf->nf_dio_read_offset_align = stat.dio_read_offset_align;
+ else
+ nf->nf_dio_read_offset_align = nf->nf_dio_offset_align;
+
+ return nfs_ok;
+}
+
+static __be32
nfsd_file_do_acquire(struct svc_rqst *rqstp, struct net *net,
struct svc_cred *cred,
struct auth_domain *client,
@@ -1187,6 +1219,8 @@ open_file:
}
status = nfserrno(ret);
trace_nfsd_file_open(nf, status);
+ if (status == nfs_ok)
+ status = nfsd_file_get_dio_attrs(fhp, nf);
}
} else
status = nfserr_jukebox;
diff --git a/fs/nfsd/filecache.h b/fs/nfsd/filecache.h
index 722b26c71e45..237a05c74211 100644
--- a/fs/nfsd/filecache.h
+++ b/fs/nfsd/filecache.h
@@ -54,6 +54,10 @@ struct nfsd_file {
struct list_head nf_gc;
struct rcu_head nf_rcu;
ktime_t nf_birthtime;
+
+ u32 nf_dio_mem_align;
+ u32 nf_dio_offset_align;
+ u32 nf_dio_read_offset_align;
};
int nfsd_file_cache_init(void);
diff --git a/fs/nfsd/localio.c b/fs/nfsd/localio.c
index cb237f1b902a..9e0a37cd29d8 100644
--- a/fs/nfsd/localio.c
+++ b/fs/nfsd/localio.c
@@ -117,6 +117,16 @@ nfsd_open_local_fh(struct net *net, struct auth_domain *dom,
return localio;
}
+static void nfsd_file_dio_alignment(struct nfsd_file *nf,
+ u32 *nf_dio_mem_align,
+ u32 *nf_dio_offset_align,
+ u32 *nf_dio_read_offset_align)
+{
+ *nf_dio_mem_align = nf->nf_dio_mem_align;
+ *nf_dio_offset_align = nf->nf_dio_offset_align;
+ *nf_dio_read_offset_align = nf->nf_dio_read_offset_align;
+}
+
static const struct nfsd_localio_operations nfsd_localio_ops = {
.nfsd_net_try_get = nfsd_net_try_get,
.nfsd_net_put = nfsd_net_put,
@@ -124,6 +134,7 @@ static const struct nfsd_localio_operations nfsd_localio_ops = {
.nfsd_file_put_local = nfsd_file_put_local,
.nfsd_file_get_local = nfsd_file_get_local,
.nfsd_file_file = nfsd_file_file,
+ .nfsd_file_dio_alignment = nfsd_file_dio_alignment,
};
void nfsd_localio_ops_init(void)
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index c19a74a36c45..2b79129703d5 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1954,7 +1954,7 @@ int nfsd_nl_listener_set_doit(struct sk_buff *skb, struct genl_info *info)
* remaining listeners and recreate the list.
*/
if (delete)
- svc_xprt_destroy_all(serv, net);
+ svc_xprt_destroy_all(serv, net, false);
/* walk list of addrs again, open any that still don't exist */
nlmsg_for_each_attr_type(attr, NFSD_A_SERVER_SOCK_ADDR, info->nlhdr,
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 82b0111ac469..7057ddd7a0a8 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -535,16 +535,13 @@ void nfsd_destroy_serv(struct net *net)
#endif
}
- svc_xprt_destroy_all(serv, net);
-
/*
* write_ports can create the server without actually starting
- * any threads--if we get shut down before any threads are
+ * any threads. If we get shut down before any threads are
* started, then nfsd_destroy_serv will be run before any of this
* other initialization has been done except the rpcb information.
*/
- svc_rpcb_cleanup(serv, net);
-
+ svc_xprt_destroy_all(serv, net, true);
nfsd_shutdown_net(net);
svc_destroy(&serv);
}
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index a664fdf1161e..6e2c8e2aab10 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -1133,6 +1133,33 @@ TRACE_EVENT(nfsd_file_alloc,
)
);
+TRACE_EVENT(nfsd_file_get_dio_attrs,
+ TP_PROTO(
+ const struct inode *inode,
+ const struct kstat *stat
+ ),
+ TP_ARGS(inode, stat),
+ TP_STRUCT__entry(
+ __field(const void *, inode)
+ __field(unsigned long, mask)
+ __field(u32, mem_align)
+ __field(u32, offset_align)
+ __field(u32, read_offset_align)
+ ),
+ TP_fast_assign(
+ __entry->inode = inode;
+ __entry->mask = stat->result_mask;
+ __entry->mem_align = stat->dio_mem_align;
+ __entry->offset_align = stat->dio_offset_align;
+ __entry->read_offset_align = stat->dio_read_offset_align;
+ ),
+ TP_printk("inode=%p flags=%s mem_align=%u offset_align=%u read_offset_align=%u",
+ __entry->inode, show_statx_mask(__entry->mask),
+ __entry->mem_align, __entry->offset_align,
+ __entry->read_offset_align
+ )
+);
+
TRACE_EVENT(nfsd_file_acquire,
TP_PROTO(
const struct svc_rqst *rqstp,
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h
index eff04959606f..fde3e0c11dba 100644
--- a/fs/nfsd/vfs.h
+++ b/fs/nfsd/vfs.h
@@ -185,6 +185,10 @@ static inline __be32 fh_getattr(const struct svc_fh *fh, struct kstat *stat)
u32 request_mask = STATX_BASIC_STATS;
struct path p = {.mnt = fh->fh_export->ex_path.mnt,
.dentry = fh->fh_dentry};
+ struct inode *inode = d_inode(p.dentry);
+
+ if (S_ISREG(inode->i_mode))
+ request_mask |= (STATX_DIOALIGN | STATX_DIO_READ_ALIGN);
if (fh->fh_maxsize == NFS4_FHSIZE)
request_mask |= (STATX_BTIME | STATX_CHANGE_COOKIE);