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NEX-19996 exi_id_get_next() calls should be WRITER locked
NEX-20014 NFS v4 state lock mutex exited before entered (on error path)
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Rick McNeal <rick.mcneal@nexenta.com>
Reviewed by: Joyce McIntosh <joyce.mcintosh@nexenta.com>
NEX-15279 support NFS server in zone
NEX-15520 online NFS shares cause zoneadm halt to hang in nfs_export_zone_fini
Portions contributed by: Dan Kruchinin dan.kruchinin@nexenta.com
Portions contributed by: Stepan Zastupov stepan.zastupov@gmail.com
Reviewed by: Joyce McIntosh <joyce.mcintosh@nexenta.com>
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
NEX-9275 Got "bad mutex" panic when run IO to nfs share from clients
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>
NEX-6778 NFS kstats leak and cause system to hang
Revert "NEX-4261 Per-client NFS server IOPS, bandwidth, and latency kstats"
This reverts commit 586c3ab1927647487f01c337ddc011c642575a52.
Revert "NEX-5354 Aggregated IOPS, bandwidth, and latency kstats for NFS server"
This reverts commit c91d7614da8618ef48018102b077f60ecbbac8c2.
Revert "NEX-5667 nfssrv_stats_flags does not work for aggregated kstats"
This reverts commit 3dcf42618be7dd5f408c327f429c81e07ca08e74.
Revert "NEX-5750 Time values for aggregated NFS server kstats should be normalized"
This reverts commit 1f4d4f901153b0191027969fa4a8064f9d3b9ee1.
Revert "NEX-5942 Panic in rfs4_minorvers_mismatch() with NFSv4.1 client"
This reverts commit 40766417094a162f5e4cc8786c0fa0a7e5871cd9.
Revert "NEX-5752 NFS server: namespace collision in kstats"
This reverts commit ae81e668db86050da8e483264acb0cce0444a132.
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
NEX-5667 nfssrv_stats_flags does not work for aggregated kstats
NEX-4472 nfsauth_retrieve() flood caused by NFS clients with personal identity problems
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
NEX-4261 Per-client NFS server IOPS, bandwidth, and latency kstats
Reviewed by: Kevin Crowe <kevin.crowe@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
NEX-3097 IOPS, bandwidth, and latency kstats for NFS server
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
NEX-2345 nfsauth_cache_get() could spend a lot of time walking exi_cache
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
NEX-1974 Support for more than 16 groups with AUTH_SYS
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
NEX-1128 NFS server: Generic uid and gid remapping for AUTH_SYS
Reviewed by: Jan Kryl <jan.kryl@nexenta.com>
re #3541 rb11254 - nfs nohide - "nfssrv: need ability to go to submounts for v3 and v2 protocols"
*** 18,28 ****
*
* CDDL HEADER END
*/
/*
! * Copyright 2016 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2016 Jason King.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
--- 18,28 ----
*
* CDDL HEADER END
*/
/*
! * Copyright 2018 Nexenta Systems, Inc.
* Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2016 Jason King.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
*** 36,45 ****
--- 36,49 ----
#include <sys/vnode.h>
#include <nfs/nfs4.h>
#include <sys/kiconv.h>
#include <sys/avl.h>
+ #ifdef _KERNEL
+ #include <sys/pkp_hash.h> /* for PKP_HASH_SIZE */
+ #endif /* _KERNEL */
+
#ifdef __cplusplus
extern "C" {
#endif
/*
*** 187,196 ****
--- 191,201 ----
#define EX_CHARMAP 0x1000 /* NFS may need a character set conversion */
#define EX_NOACLFAB 0x2000 /* If set, NFSv2 and v3 servers won't */
/* fabricate an aclent_t ACL on file systems */
/* that don't support aclent_t ACLs */
+ #define EX_NOHIDE 0x4000 /* traversable from exported parent */
#ifdef _KERNEL
#define RPC_IDEMPOTENT 0x1 /* idempotent or not */
/*
*** 474,486 ****
((t)->tree_exi && (t)->tree_exi->exi_vp->v_flag & VROOT)
#define TREE_EXPORTED(t) \
((t)->tree_exi && !PSEUDO((t)->tree_exi))
- /* Root of nfs pseudo namespace */
- extern treenode_t *ns_root;
-
#define EXPTABLESIZE 256
struct exp_hash {
struct exportinfo *prev; /* ptr to the previous exportinfo */
struct exportinfo *next; /* ptr to the next exportinfo */
--- 479,488 ----
*** 527,536 ****
--- 529,542 ----
#ifdef VOLATILE_FH_TEST
uint32_t exi_volatile_id;
struct ex_vol_rename *exi_vol_rename;
kmutex_t exi_vol_rename_lock;
#endif /* VOLATILE_FH_TEST */
+ int exi_id;
+ avl_node_t exi_id_link;
+ struct exp_kstats *exi_kstats;
+ zoneid_t exi_zoneid;
};
typedef struct exportinfo exportinfo_t;
typedef struct exportdata exportdata_t;
typedef struct secinfo secinfo_t;
*** 605,615 ****
struct svc_req *, cred_t *, uid_t *, gid_t *, uint_t *, gid_t **);
extern int nfsauth4_secinfo_access(struct exportinfo *,
struct svc_req *, int, int, cred_t *);
extern int nfsauth_cache_clnt_compar(const void *, const void *);
extern int nfs_fhbcmp(char *, char *, int);
! extern int nfs_exportinit(void);
extern void nfs_exportfini(void);
extern int chk_clnt_sec(struct exportinfo *, struct svc_req *);
extern int makefh(fhandle_t *, struct vnode *, struct exportinfo *);
extern int makefh_ol(fhandle_t *, struct exportinfo *, uint_t);
extern int makefh3(nfs_fh3 *, struct vnode *, struct exportinfo *);
--- 611,621 ----
struct svc_req *, cred_t *, uid_t *, gid_t *, uint_t *, gid_t **);
extern int nfsauth4_secinfo_access(struct exportinfo *,
struct svc_req *, int, int, cred_t *);
extern int nfsauth_cache_clnt_compar(const void *, const void *);
extern int nfs_fhbcmp(char *, char *, int);
! extern void nfs_exportinit(void);
extern void nfs_exportfini(void);
extern int chk_clnt_sec(struct exportinfo *, struct svc_req *);
extern int makefh(fhandle_t *, struct vnode *, struct exportinfo *);
extern int makefh_ol(fhandle_t *, struct exportinfo *, uint_t);
extern int makefh3(nfs_fh3 *, struct vnode *, struct exportinfo *);
*** 617,671 ****
extern vnode_t *nfs_fhtovp(fhandle_t *, struct exportinfo *);
extern vnode_t *nfs3_fhtovp(nfs_fh3 *, struct exportinfo *);
extern struct exportinfo *checkexport(fsid_t *, struct fid *);
extern struct exportinfo *checkexport4(fsid_t *, struct fid *, vnode_t *);
extern void exi_hold(struct exportinfo *);
! extern void exi_rele(struct exportinfo *);
extern struct exportinfo *nfs_vptoexi(vnode_t *, vnode_t *, cred_t *, int *,
int *, bool_t);
extern int nfs_check_vpexi(vnode_t *, vnode_t *, cred_t *,
struct exportinfo **);
- extern void export_link(struct exportinfo *);
- extern void export_unlink(struct exportinfo *);
extern vnode_t *untraverse(vnode_t *);
extern int vn_is_nfs_reparse(vnode_t *, cred_t *);
extern int client_is_downrev(struct svc_req *);
extern char *build_symlink(vnode_t *, cred_t *, size_t *);
/*
* Functions that handle the NFSv4 server namespace
*/
extern exportinfo_t *vis2exi(treenode_t *);
extern int treeclimb_export(struct exportinfo *);
! extern void treeclimb_unexport(struct exportinfo *);
extern int nfs_visible(struct exportinfo *, vnode_t *, int *);
extern int nfs_visible_inode(struct exportinfo *, ino64_t,
struct exp_visible **);
extern int has_visible(struct exportinfo *, vnode_t *);
extern void free_visible(struct exp_visible *);
extern int nfs_exported(struct exportinfo *, vnode_t *);
! extern struct exportinfo *pseudo_exportfs(vnode_t *, fid_t *,
struct exp_visible *, struct exportdata *);
extern int vop_fid_pseudo(vnode_t *, fid_t *);
extern int nfs4_vget_pseudo(struct exportinfo *, vnode_t **, fid_t *);
extern bool_t nfs_visible_change(struct exportinfo *, vnode_t *,
timespec_t *);
! extern void tree_update_change(treenode_t *, timespec_t *);
/*
* Functions that handle the NFSv4 server namespace security flavors
* information.
*/
extern void srv_secinfo_exp2pseu(struct exportdata *, struct exportdata *);
extern void srv_secinfo_list_free(struct secinfo *, int);
/*
! * "public" and default (root) location for public filehandle
*/
! extern struct exportinfo *exi_public, *exi_root;
! extern fhandle_t nullfh2; /* for comparing V2 filehandles */
! extern krwlock_t exported_lock;
! extern struct exportinfo *exptable[];
/*
* Two macros for identifying public filehandles.
* A v2 public filehandle is 32 zero bytes.
* A v3 public filehandle is zero length.
--- 623,705 ----
extern vnode_t *nfs_fhtovp(fhandle_t *, struct exportinfo *);
extern vnode_t *nfs3_fhtovp(nfs_fh3 *, struct exportinfo *);
extern struct exportinfo *checkexport(fsid_t *, struct fid *);
extern struct exportinfo *checkexport4(fsid_t *, struct fid *, vnode_t *);
extern void exi_hold(struct exportinfo *);
! extern void exi_rele(struct exportinfo **);
extern struct exportinfo *nfs_vptoexi(vnode_t *, vnode_t *, cred_t *, int *,
int *, bool_t);
extern int nfs_check_vpexi(vnode_t *, vnode_t *, cred_t *,
struct exportinfo **);
extern vnode_t *untraverse(vnode_t *);
extern int vn_is_nfs_reparse(vnode_t *, cred_t *);
extern int client_is_downrev(struct svc_req *);
extern char *build_symlink(vnode_t *, cred_t *, size_t *);
+ extern fhandle_t nullfh2; /* for comparing V2 filehandles */
+
+ typedef struct nfs_export {
+ /* Root of nfs pseudo namespace */
+ treenode_t *ns_root;
+
+ struct exportinfo *exptable_path_hash[PKP_HASH_SIZE];
+ struct exportinfo *exptable[EXPTABLESIZE];
+
+ /*
+ * Read/Write lock that protects the exportinfo list. This lock
+ * must be held when searching or modifiying the exportinfo list.
+ */
+ krwlock_t exported_lock;
+
+ /* "public" and default (root) location for public filehandle */
+ struct exportinfo *exi_public, *exi_root;
+ /* For checking default public file handle */
+ fid_t exi_rootfid;
+ /* For comparing V2 filehandles */
+ fhandle_t nullfh2;
+
+ /* The change attribute value of the root of nfs pseudo namespace */
+ timespec_t ns_root_change;
+ } nfs_export_t;
+
/*
* Functions that handle the NFSv4 server namespace
*/
extern exportinfo_t *vis2exi(treenode_t *);
extern int treeclimb_export(struct exportinfo *);
! extern void treeclimb_unexport(nfs_export_t *, struct exportinfo *);
extern int nfs_visible(struct exportinfo *, vnode_t *, int *);
extern int nfs_visible_inode(struct exportinfo *, ino64_t,
struct exp_visible **);
extern int has_visible(struct exportinfo *, vnode_t *);
extern void free_visible(struct exp_visible *);
extern int nfs_exported(struct exportinfo *, vnode_t *);
! extern struct exportinfo *pseudo_exportfs(nfs_export_t *, vnode_t *, fid_t *,
struct exp_visible *, struct exportdata *);
extern int vop_fid_pseudo(vnode_t *, fid_t *);
extern int nfs4_vget_pseudo(struct exportinfo *, vnode_t **, fid_t *);
extern bool_t nfs_visible_change(struct exportinfo *, vnode_t *,
timespec_t *);
! extern void tree_update_change(nfs_export_t *, treenode_t *, timespec_t *);
!
/*
* Functions that handle the NFSv4 server namespace security flavors
* information.
*/
extern void srv_secinfo_exp2pseu(struct exportdata *, struct exportdata *);
extern void srv_secinfo_list_free(struct secinfo *, int);
+ extern nfs_export_t *nfs_get_export();
+ extern void export_link(nfs_export_t *, struct exportinfo *);
+ extern void export_unlink(nfs_export_t *, struct exportinfo *);
+
/*
! * exi_id support
*/
! extern kmutex_t nfs_exi_id_lock;
! extern avl_tree_t exi_id_tree;
! extern int exi_id_get_next(void);
/*
* Two macros for identifying public filehandles.
* A v2 public filehandle is 32 zero bytes.
* A v3 public filehandle is zero length.