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Replace libzfs sharing _nfs() and _smb() APIs with protocol lists

Browse Source 
With the additional benefit of removing all the _all() functions and
treating a NULL list as "all" ‒ the remaining all function is for all
/datasets/, which is consistent with the rest of the API

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13165
This commit is contained in:
наб 2022-02-28 16:52:07 +01:00 committed by Brian Behlendorf
parent 471e9a108e
commit b4d9a82f62
8 changed files with 235 additions and 421 deletions
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97
cmd/zfs/zfs_main.c
View File

@ -764,12 +764,12 @@ zfs_mount_and_share(libzfs_handle_t *hdl, const char *dataset, zfs_type_t type)
(void) fprintf(stderr, gettext("filesystem "
"successfully created, but not mounted\n"));
ret = 1;
} else if (zfs_share(zhp) != 0) {
} else if (zfs_share(zhp, NULL) != 0) {
(void) fprintf(stderr, gettext("filesystem "
"successfully created, but not shared\n"));
ret = 1;
}
zfs_commit_all_shares();
zfs_commit_shares(NULL);
}
zfs_close(zhp);
@ -6658,7 +6658,7 @@ typedef struct share_mount_state {
boolean_t sm_verbose;
int sm_flags;
char *sm_options;
char *sm_proto; /* only valid for OP_SHARE */
enum sa_protocol sm_proto; /* only valid for OP_SHARE */
pthread_mutex_t sm_lock; /* protects the remaining fields */
uint_t sm_total; /* number of filesystems to process */
uint_t sm_done; /* number of filesystems processed */
@ -6669,7 +6669,7 @@ typedef struct share_mount_state {
* Share or mount a dataset.
*/
static int
share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
share_mount_one(zfs_handle_t *zhp, int op, int flags, enum sa_protocol protocol,
boolean_t explicit, const char *options)
{
char mountpoint[ZFS_MAXPROPLEN];
@ -6787,7 +6787,7 @@ share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
return (0);
if (op == OP_SHARE && !zfs_is_mounted(zhp, NULL)) {
/* also purge it from existing exports */
zfs_unshareall_bypath(zhp, mountpoint);
zfs_unshare(zhp, mountpoint, NULL);
return (0);
}
}
@ -6845,10 +6845,11 @@ share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
* filesystem.
*/
switch (op) {
case OP_SHARE:
shared_nfs = zfs_is_shared_nfs(zhp, NULL);
shared_smb = zfs_is_shared_smb(zhp, NULL);
case OP_SHARE: {
enum sa_protocol prot[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL};
shared_nfs = zfs_is_shared(zhp, NULL, prot);
*prot = SA_PROTOCOL_SMB;
shared_smb = zfs_is_shared(zhp, NULL, prot);
if ((shared_nfs && shared_smb) ||
(shared_nfs && strcmp(shareopts, "on") == 0 &&
@ -6868,23 +6869,11 @@ share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
zfs_mount(zhp, NULL, flags) != 0)
return (1);
if (protocol == NULL) {
if (zfs_shareall(zhp) != 0)
return (1);
} else if (strcmp(protocol, "nfs") == 0) {
if (zfs_share_nfs(zhp))
return (1);
} else if (strcmp(protocol, "smb") == 0) {
if (zfs_share_smb(zhp))
return (1);
} else {
(void) fprintf(stderr, gettext("cannot share "
"'%s': invalid share type '%s' "
"specified\n"),
zfs_get_name(zhp), protocol);
*prot = protocol;
if (zfs_share(zhp, protocol == SA_NO_PROTOCOL ? NULL : prot))
return (1);
}
}
break;
case OP_MOUNT:
@ -6982,6 +6971,22 @@ append_options(char *mntopts, char *newopts)
(void) strcpy(&mntopts[len], newopts);
}
static enum sa_protocol
sa_protocol_decode(const char *protocol)
{
for (enum sa_protocol i = 0; i < ARRAY_SIZE(sa_protocol_names); ++i)
if (strcmp(protocol, sa_protocol_names[i]) == 0)
return (i);
(void) fputs(gettext("share type must be one of: "), stderr);
for (enum sa_protocol i = 0;
i < ARRAY_SIZE(sa_protocol_names); ++i)
(void) fprintf(stderr, "%s%s",
i != 0 ? ", " : "", sa_protocol_names[i]);
(void) fputc('\n', stderr);
usage(B_FALSE);
}
static int
share_mount(int op, int argc, char **argv)
{
@ -7040,16 +7045,10 @@ share_mount(int op, int argc, char **argv)
/* check number of arguments */
if (do_all) {
char *protocol = NULL;
enum sa_protocol protocol = SA_NO_PROTOCOL;
if (op == OP_SHARE && argc > 0) {
if (strcmp(argv[0], "nfs") != 0 &&
strcmp(argv[0], "smb") != 0) {
(void) fprintf(stderr, gettext("share type "
"must be 'nfs' or 'smb'\n"));
usage(B_FALSE);
}
protocol = argv[0];
protocol = sa_protocol_decode(argv[0]);
argc--;
argv++;
}
@ -7086,7 +7085,7 @@ share_mount(int op, int argc, char **argv)
zfs_foreach_mountpoint(g_zfs, cb.cb_handles, cb.cb_used,
share_mount_one_cb, &share_mount_state,
op == OP_MOUNT && !(flags & MS_CRYPT));
zfs_commit_all_shares();
zfs_commit_shares(NULL);
ret = share_mount_state.sm_status;
@ -7138,9 +7137,9 @@ share_mount(int op, int argc, char **argv)
ZFS_TYPE_FILESYSTEM)) == NULL) {
ret = 1;
} else {
ret = share_mount_one(zhp, op, flags, NULL, B_TRUE,
options);
zfs_commit_all_shares();
ret = share_mount_one(zhp, op, flags, SA_NO_PROTOCOL,
B_TRUE, options);
zfs_commit_shares(NULL);
zfs_close(zhp);
}
}
@ -7150,7 +7149,7 @@ share_mount(int op, int argc, char **argv)
}
/*
* zfs mount -a [nfs]
* zfs mount -a
* zfs mount filesystem
*
* Mount all filesystems, or mount the given filesystem.
@ -7259,12 +7258,12 @@ unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
"'%s': legacy share\n"), path);
(void) fprintf(stderr, gettext("use exportfs(8) "
"or smbcontrol(1) to unshare this filesystem\n"));
} else if (!zfs_is_shared(zhp)) {
} else if (!zfs_is_shared(zhp, NULL, NULL)) {
(void) fprintf(stderr, gettext("cannot unshare '%s': "
"not currently shared\n"), path);
} else {
ret = zfs_unshareall_bypath(zhp, path);
zfs_commit_all_shares();
ret = zfs_unshare(zhp, path, NULL);
zfs_commit_shares(NULL);
}
} else {
char mtpt_prop[ZFS_MAXPROPLEN];
@ -7354,16 +7353,12 @@ unshare_unmount(int op, int argc, char **argv)
unshare_unmount_node_t *node;
uu_avl_index_t idx;
uu_avl_walk_t *walk;
char *protocol = NULL;
enum sa_protocol *protocol = NULL,
single_protocol[] = {SA_NO_PROTOCOL, SA_NO_PROTOCOL};
if (op == OP_SHARE && argc > 0) {
if (strcmp(argv[0], "nfs") != 0 &&
strcmp(argv[0], "smb") != 0) {
(void) fprintf(stderr, gettext("share type "
"must be 'nfs' or 'smb'\n"));
usage(B_FALSE);
}
protocol = argv[0];
*single_protocol = sa_protocol_decode(argv[0]);
protocol = single_protocol;
argc--;
argv++;
}
@ -7470,7 +7465,7 @@ unshare_unmount(int op, int argc, char **argv)
uu_avl_remove(tree, node);
switch (op) {
case OP_SHARE:
if (zfs_unshareall_bytype(node->un_zhp,
if (zfs_unshare(node->un_zhp,
node->un_mountp, protocol) != 0)
ret = 1;
break;
@ -7543,12 +7538,12 @@ unshare_unmount(int op, int argc, char **argv)
"exports(5) or smb.conf(5) to unshare "
"this filesystem\n"));
ret = 1;
} else if (!zfs_is_shared(zhp)) {
} else if (!zfs_is_shared(zhp, NULL, NULL)) {
(void) fprintf(stderr, gettext("cannot "
"unshare '%s': not currently "
"shared\n"), zfs_get_name(zhp));
ret = 1;
} else if (zfs_unshareall(zhp) != 0) {
} else if (zfs_unshareall(zhp, NULL) != 0) {
ret = 1;
}
break;

4
cmd/zpool/zpool_main.c
View File

@ -1790,8 +1790,8 @@ zpool_do_create(int argc, char **argv)
tname ? tname : poolname, ZFS_TYPE_FILESYSTEM);
if (pool != NULL) {
if (zfs_mount(pool, NULL, 0) == 0) {
ret = zfs_shareall(pool);
zfs_commit_all_shares();
ret = zfs_share(pool, NULL);
zfs_commit_shares(NULL);
}
zfs_close(pool);
}

39
include/libzfs.h
View File

@ -35,6 +35,7 @@
#define _LIBZFS_H extern __attribute__((visibility("default")))
#include <assert.h>
#include <libshare.h>
#include <libnvpair.h>
#include <sys/mnttab.h>
#include <sys/param.h>
@ -878,37 +879,25 @@ _LIBZFS_H void zfs_adjust_mount_options(zfs_handle_t *zhp, const char *mntpoint,
/*
* Share support functions.
*
* enum sa_protocol * lists are terminated with SA_NO_PROTOCOL,
* NULL means "all/any known to this libzfs".
*/
_LIBZFS_H boolean_t zfs_is_shared(zfs_handle_t *);
_LIBZFS_H int zfs_share(zfs_handle_t *);
_LIBZFS_H int zfs_unshare(zfs_handle_t *);
#define SA_NO_PROTOCOL -1
/*
* Protocol-specific share support functions.
*/
_LIBZFS_H boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **);
_LIBZFS_H boolean_t zfs_is_shared_smb(zfs_handle_t *, char **);
_LIBZFS_H int zfs_share_nfs(zfs_handle_t *);
_LIBZFS_H int zfs_share_smb(zfs_handle_t *);
_LIBZFS_H int zfs_shareall(zfs_handle_t *);
_LIBZFS_H int zfs_unshare_nfs(zfs_handle_t *, const char *);
_LIBZFS_H int zfs_unshare_smb(zfs_handle_t *, const char *);
_LIBZFS_H int zfs_unshareall_nfs(zfs_handle_t *);
_LIBZFS_H int zfs_unshareall_smb(zfs_handle_t *);
_LIBZFS_H int zfs_unshareall_bypath(zfs_handle_t *, const char *);
_LIBZFS_H int zfs_unshareall_bytype(zfs_handle_t *, const char *, const char *);
_LIBZFS_H int zfs_unshareall(zfs_handle_t *);
_LIBZFS_H int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *,
void *, void *, int, zfs_share_op_t);
_LIBZFS_H void zfs_commit_nfs_shares(void);
_LIBZFS_H void zfs_commit_smb_shares(void);
_LIBZFS_H void zfs_commit_all_shares(void);
_LIBZFS_H void zfs_commit_shares(const char *);
_LIBZFS_H boolean_t zfs_is_shared(zfs_handle_t *zhp, char **where,
const enum sa_protocol *proto);
_LIBZFS_H int zfs_share(zfs_handle_t *zhp, const enum sa_protocol *proto);
_LIBZFS_H int zfs_unshare(zfs_handle_t *zhp, const char *mountpoint,
const enum sa_protocol *proto);
_LIBZFS_H int zfs_unshareall(zfs_handle_t *zhp,
const enum sa_protocol *proto);
_LIBZFS_H void zfs_commit_shares(const enum sa_protocol *proto);
_LIBZFS_H int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
/*
* Utility functions to run an _LIBZFS_Hal process.
* Utility functions to run an external process.
*/
#define STDOUT_VERBOSE 0x01
#define STDERR_VERBOSE 0x02

205
lib/libzfs/libzfs.abi
View File

@ -288,10 +288,7 @@
<elf-symbol name='zfs_bookmark_exists' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_clone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_commit_all_shares' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_commit_nfs_shares' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_commit_shares' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_commit_smb_shares' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_component_namecheck' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_create_ancestors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
@ -339,8 +336,6 @@
<elf-symbol name='zfs_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_is_mounted' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_is_shared' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_is_shared_nfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_is_shared_smb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_isnumber' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_iter_bookmarks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_iter_children' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
@ -419,9 +414,6 @@
<elf-symbol name='zfs_send_saved' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_set_fsacl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_share' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_share_nfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_share_smb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_shareall' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_show_diffs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_smb_acl_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_smb_acl_purge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
@ -440,13 +432,7 @@
<elf-symbol name='zfs_unmount' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_unmountall' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_unshare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_unshare_nfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_unshare_smb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_unshareall' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_unshareall_bypath' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_unshareall_bytype' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_unshareall_nfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_unshareall_smb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_userspace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_valid_proplist' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_version_kernel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
@ -596,6 +582,7 @@
<elf-symbol name='fletcher_4_superscalar4_ops' size='64' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='fletcher_4_superscalar_ops' size='64' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='libzfs_config_ops' size='16' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='sa_protocol_names' size='16' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='spa_feature_table' size='2016' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfeature_checks_disable' size='4' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_deleg_perm_tab' size='512' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
@ -849,62 +836,108 @@
<type-decl name='unsigned short int' size-in-bits='16' id='8efea9e5'/>
</abi-instr>
<abi-instr address-size='64' path='libshare.c' language='LANG_C99'>
<array-type-def dimensions='1' type-id='b99c00c9' size-in-bits='128' id='2d6895a3'>
<subrange length='2' type-id='7359adad' id='52efc4ef'/>
</array-type-def>
<var-decl name='sa_protocol_names' type-id='2d6895a3' mangled-name='sa_protocol_names' visibility='default' elf-symbol-id='sa_protocol_names'/>
<function-decl name='sa_enable_share' mangled-name='sa_enable_share' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sa_enable_share'>
<parameter type-id='80f4b756' name='zfsname'/>
<parameter type-id='80f4b756' name='mountpoint'/>
<parameter type-id='80f4b756' name='shareopts'/>
<parameter type-id='26a90f95' name='protocol'/>
<parameter type-id='9155d4b5' name='protocol'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='sa_disable_share' mangled-name='sa_disable_share' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sa_disable_share'>
<parameter type-id='80f4b756' name='mountpoint'/>
<parameter type-id='26a90f95' name='protocol'/>
<parameter type-id='9155d4b5' name='protocol'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='sa_is_shared' mangled-name='sa_is_shared' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sa_is_shared'>
<parameter type-id='80f4b756' name='mountpoint'/>
<parameter type-id='26a90f95' name='protocol'/>
<parameter type-id='9155d4b5' name='protocol'/>
<return type-id='c19b74c3'/>
</function-decl>
<function-decl name='sa_commit_shares' mangled-name='sa_commit_shares' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sa_commit_shares'>
<parameter type-id='80f4b756' name='protocol'/>
<parameter type-id='9155d4b5' name='protocol'/>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='sa_validate_shareopts' mangled-name='sa_validate_shareopts' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sa_validate_shareopts'>
<parameter type-id='80f4b756' name='options'/>
<parameter type-id='9155d4b5' name='protocol'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='sa_errorstr' mangled-name='sa_errorstr' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sa_errorstr'>
<parameter type-id='95e97e5e' name='err'/>
<return type-id='26a90f95'/>
</function-decl>
<function-decl name='sa_validate_shareopts' mangled-name='sa_validate_shareopts' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sa_validate_shareopts'>
<parameter type-id='26a90f95' name='options'/>
<parameter type-id='26a90f95' name='proto'/>
<return type-id='95e97e5e'/>
<return type-id='80f4b756'/>
</function-decl>
<enum-decl name='sa_protocol' id='9155d4b5'>
<underlying-type type-id='9cac1fee'/>
<enumerator name='SA_PROTOCOL_NFS' value='0'/>
<enumerator name='SA_PROTOCOL_SMB' value='1'/>
<enumerator name='SA_PROTOCOL_COUNT' value='2'/>
</enum-decl>
</abi-instr>
<abi-instr address-size='64' path='os/linux/smb.c' language='LANG_C99'>
<array-type-def dimensions='1' type-id='a84c031d' size-in-bits='2040' id='11641789'>
<subrange length='255' type-id='7359adad' id='36e7f891'/>
</array-type-def>
<class-decl name='smb_share_s' size-in-bits='36992' is-struct='yes' visibility='default' id='a75bc907'>
<abi-instr address-size='64' path='os/linux/nfs.c' language='LANG_C99'>
<class-decl name='sa_share_impl' size-in-bits='192' is-struct='yes' visibility='default' id='72b09bf8'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='name' type-id='11641789' visibility='default'/>
<var-decl name='sa_zfsname' type-id='80f4b756' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='2040'>
<var-decl name='path' type-id='d16c6df4' visibility='default'/>
<data-member access='public' layout-offset-in-bits='64'>
<var-decl name='sa_mountpoint' type-id='80f4b756' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='34808'>
<var-decl name='comment' type-id='11641789' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='36864'>
<var-decl name='guest_ok' type-id='c19b74c3' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='36928'>
<var-decl name='next' type-id='05ed1c5f' visibility='default'/>
<data-member access='public' layout-offset-in-bits='128'>
<var-decl name='sa_shareopts' type-id='80f4b756' visibility='default'/>
</data-member>
</class-decl>
<typedef-decl name='smb_share_t' type-id='a75bc907' id='2d05afd9'/>
<pointer-type-def type-id='a75bc907' size-in-bits='64' id='05ed1c5f'/>
<pointer-type-def type-id='2d05afd9' size-in-bits='64' id='a3e5c654'/>
<var-decl name='smb_shares' type-id='a3e5c654' visibility='default'/>
<typedef-decl name='sa_share_impl_t' type-id='946a2c6b' id='a48b47d0'/>
<class-decl name='sa_fstype_t' size-in-bits='320' is-struct='yes' naming-typedef-id='639af739' visibility='default' id='944afa86'>
<data-member access='public' layout-offset-in-bits='0'>
<var-decl name='enable_share' type-id='2f78a9c1' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='64'>
<var-decl name='disable_share' type-id='2f78a9c1' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='128'>
<var-decl name='is_shared' type-id='81020bc2' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='192'>
<var-decl name='validate_shareopts' type-id='f194a8fb' visibility='default'/>
</data-member>
<data-member access='public' layout-offset-in-bits='256'>
<var-decl name='commit_shares' type-id='797ee7da' visibility='default'/>
</data-member>
</class-decl>
<typedef-decl name='sa_fstype_t' type-id='944afa86' id='639af739'/>
<qualified-type-def type-id='639af739' const='yes' id='d19dbca9'/>
<qualified-type-def type-id='72b09bf8' const='yes' id='484950e3'/>
<pointer-type-def type-id='484950e3' size-in-bits='64' id='946a2c6b'/>
<pointer-type-def type-id='276427e1' size-in-bits='64' id='1db260e5'/>
<qualified-type-def type-id='1db260e5' const='yes' id='797ee7da'/>
<pointer-type-def type-id='5113b296' size-in-bits='64' id='70487b28'/>
<qualified-type-def type-id='70487b28' const='yes' id='f194a8fb'/>
<pointer-type-def type-id='c13578bc' size-in-bits='64' id='fa1f29ce'/>
<qualified-type-def type-id='fa1f29ce' const='yes' id='2f78a9c1'/>
<pointer-type-def type-id='86373eb1' size-in-bits='64' id='f337456d'/>
<qualified-type-def type-id='f337456d' const='yes' id='81020bc2'/>
<var-decl name='libshare_nfs_type' type-id='d19dbca9' visibility='default'/>
<function-type size-in-bits='64' id='276427e1'>
<return type-id='95e97e5e'/>
</function-type>
<function-type size-in-bits='64' id='5113b296'>
<parameter type-id='80f4b756'/>
<return type-id='95e97e5e'/>
</function-type>
<function-type size-in-bits='64' id='c13578bc'>
<parameter type-id='a48b47d0'/>
<return type-id='95e97e5e'/>
</function-type>
<function-type size-in-bits='64' id='86373eb1'>
<parameter type-id='a48b47d0'/>
<return type-id='c19b74c3'/>
</function-type>
</abi-instr>
<abi-instr address-size='64' path='os/linux/smb.c' language='LANG_C99'>
<var-decl name='libshare_smb_type' type-id='d19dbca9' visibility='default'/>
</abi-instr>
<abi-instr address-size='64' path='assert.c' language='LANG_C99'>
<function-decl name='libspl_set_assert_ok' mangled-name='libspl_set_assert_ok' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='libspl_set_assert_ok'>
@ -4102,6 +4135,14 @@
</data-member>
</class-decl>
<typedef-decl name='get_all_cb_t' type-id='803dac95' id='9b293607'/>
<enum-decl name='sa_protocol' id='9155d4b5'>
<underlying-type type-id='9cac1fee'/>
<enumerator name='SA_PROTOCOL_NFS' value='0'/>
<enumerator name='SA_PROTOCOL_SMB' value='1'/>
<enumerator name='SA_PROTOCOL_COUNT' value='2'/>
</enum-decl>
<qualified-type-def type-id='9155d4b5' const='yes' id='9f2c1699'/>
<pointer-type-def type-id='9f2c1699' size-in-bits='64' id='4567bbc9'/>
<pointer-type-def type-id='9b293607' size-in-bits='64' id='77bf1784'/>
<pointer-type-def type-id='9200a744' size-in-bits='64' id='4507922a'/>
<function-decl name='is_mounted' mangled-name='is_mounted' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='is_mounted'>
@ -4139,80 +4180,30 @@
<parameter type-id='95e97e5e' name='flags'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_is_shared' mangled-name='zfs_is_shared' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_is_shared'>
<parameter type-id='9200a744' name='zhp'/>
<return type-id='c19b74c3'/>
</function-decl>
<function-decl name='zfs_share' mangled-name='zfs_share' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_share'>
<parameter type-id='9200a744' name='zhp'/>
<parameter type-id='4567bbc9' name='proto'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_is_shared' mangled-name='zfs_is_shared' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_is_shared'>
<parameter type-id='9200a744' name='zhp'/>
<parameter type-id='9b23c9ad' name='where'/>
<parameter type-id='4567bbc9' name='proto'/>
<return type-id='c19b74c3'/>
</function-decl>
<function-decl name='zfs_commit_shares' mangled-name='zfs_commit_shares' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_commit_shares'>
<parameter type-id='4567bbc9' name='proto'/>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='zfs_unshare' mangled-name='zfs_unshare' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_unshare'>
<parameter type-id='9200a744' name='zhp'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_is_shared_nfs' mangled-name='zfs_is_shared_nfs' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_is_shared_nfs'>
<parameter type-id='9200a744' name='zhp'/>
<parameter type-id='9b23c9ad' name='where'/>
<return type-id='c19b74c3'/>
</function-decl>
<function-decl name='zfs_is_shared_smb' mangled-name='zfs_is_shared_smb' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_is_shared_smb'>
<parameter type-id='9200a744' name='zhp'/>
<parameter type-id='9b23c9ad' name='where'/>
<return type-id='c19b74c3'/>
</function-decl>
<function-decl name='zfs_commit_nfs_shares' mangled-name='zfs_commit_nfs_shares' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_commit_nfs_shares'>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='zfs_commit_smb_shares' mangled-name='zfs_commit_smb_shares' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_commit_smb_shares'>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='zfs_commit_all_shares' mangled-name='zfs_commit_all_shares' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_commit_all_shares'>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='zfs_commit_shares' mangled-name='zfs_commit_shares' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_commit_shares'>
<parameter type-id='80f4b756' name='proto'/>
<return type-id='48b5725f'/>
</function-decl>
<function-decl name='zfs_share_nfs' mangled-name='zfs_share_nfs' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_share_nfs'>
<parameter type-id='9200a744' name='zhp'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_share_smb' mangled-name='zfs_share_smb' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_share_smb'>
<parameter type-id='9200a744' name='zhp'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_unshare_nfs' mangled-name='zfs_unshare_nfs' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_unshare_nfs'>
<parameter type-id='9200a744' name='zhp'/>
<parameter type-id='80f4b756' name='mountpoint'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_unshare_smb' mangled-name='zfs_unshare_smb' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_unshare_smb'>
<parameter type-id='9200a744' name='zhp'/>
<parameter type-id='80f4b756' name='mountpoint'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_unshareall_nfs' mangled-name='zfs_unshareall_nfs' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_unshareall_nfs'>
<parameter type-id='9200a744' name='zhp'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_unshareall_smb' mangled-name='zfs_unshareall_smb' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_unshareall_smb'>
<parameter type-id='9200a744' name='zhp'/>
<parameter type-id='4567bbc9' name='proto'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_unshareall' mangled-name='zfs_unshareall' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_unshareall'>
<parameter type-id='9200a744' name='zhp'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_unshareall_bypath' mangled-name='zfs_unshareall_bypath' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_unshareall_bypath'>
<parameter type-id='9200a744' name='zhp'/>
<parameter type-id='80f4b756' name='mountpoint'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zfs_unshareall_bytype' mangled-name='zfs_unshareall_bytype' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_unshareall_bytype'>
<parameter type-id='9200a744' name='zhp'/>
<parameter type-id='80f4b756' name='mountpoint'/>
<parameter type-id='80f4b756' name='proto'/>
<parameter type-id='4567bbc9' name='proto'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='libzfs_add_handle' mangled-name='libzfs_add_handle' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='libzfs_add_handle'>

34
lib/libzfs/libzfs_changelist.c
View File

@ -98,6 +98,7 @@ changelist_prefix(prop_changelist_t *clp)
prop_changenode_t *cn;
uu_avl_walk_t *walk;
int ret = 0;
const enum sa_protocol smb[] = {SA_PROTOCOL_SMB, SA_NO_PROTOCOL};
boolean_t commit_smb_shares = B_FALSE;
if (clp->cl_prop != ZFS_PROP_MOUNTPOINT &&
@ -137,7 +138,8 @@ changelist_prefix(prop_changelist_t *clp)
}
break;
case ZFS_PROP_SHARESMB:
(void) zfs_unshare_smb(cn->cn_handle, NULL);
(void) zfs_unshare(cn->cn_handle, NULL,
smb);
commit_smb_shares = B_TRUE;
break;
@ -148,7 +150,7 @@ changelist_prefix(prop_changelist_t *clp)
}
if (commit_smb_shares)
zfs_commit_smb_shares();
zfs_commit_shares(smb);
uu_avl_walk_end(walk);
if (ret == -1)
@ -257,25 +259,33 @@ changelist_postfix(prop_changelist_t *clp)
* if the filesystem is currently shared, so that we can
* adopt any new options.
*/
const enum sa_protocol nfs[] =
{SA_PROTOCOL_NFS, SA_NO_PROTOCOL};
if (sharenfs && mounted) {
errors += zfs_share_nfs(cn->cn_handle);
errors += zfs_share(cn->cn_handle, nfs);
commit_nfs_shares = B_TRUE;
} else if (cn->cn_shared || clp->cl_waslegacy) {
errors += zfs_unshare_nfs(cn->cn_handle, NULL);
errors += zfs_unshare(cn->cn_handle, NULL, nfs);
commit_nfs_shares = B_TRUE;
}
const enum sa_protocol smb[] =
{SA_PROTOCOL_SMB, SA_NO_PROTOCOL};
if (sharesmb && mounted) {
errors += zfs_share_smb(cn->cn_handle);
errors += zfs_share(cn->cn_handle, smb);
commit_smb_shares = B_TRUE;
} else if (cn->cn_shared || clp->cl_waslegacy) {
errors += zfs_unshare_smb(cn->cn_handle, NULL);
errors += zfs_unshare(cn->cn_handle, NULL, smb);
commit_smb_shares = B_TRUE;
}
}
enum sa_protocol proto[SA_PROTOCOL_COUNT + 1], *p = proto;
if (commit_nfs_shares)
zfs_commit_nfs_shares();
*p++ = SA_PROTOCOL_NFS;
if (commit_smb_shares)
zfs_commit_smb_shares();
*p++ = SA_PROTOCOL_SMB;
*p++ = SA_NO_PROTOCOL;
zfs_commit_shares(proto);
uu_avl_walk_end(walk);
return (errors ? -1 : 0);
@ -359,7 +369,7 @@ changelist_unshare(prop_changelist_t *clp, const enum sa_protocol *proto)
return (-1);
while ((cn = uu_avl_walk_next(walk)) != NULL) {
if (zfs_unshare_proto(cn->cn_handle, NULL, proto) != 0)
if (zfs_unshare(cn->cn_handle, NULL, proto) != 0)
ret = -1;
}
@ -452,7 +462,7 @@ changelist_add_mounted(zfs_handle_t *zhp, void *data)
cn->cn_handle = zhp;
cn->cn_mounted = zfs_is_mounted(zhp, NULL);
ASSERT3U(cn->cn_mounted, ==, B_TRUE);
cn->cn_shared = zfs_is_shared(zhp);
cn->cn_shared = zfs_is_shared(zhp, NULL, NULL);
cn->cn_zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
cn->cn_needpost = B_TRUE;
@ -522,7 +532,7 @@ change_one(zfs_handle_t *zhp, void *data)
cn->cn_handle = zhp;
cn->cn_mounted = (clp->cl_gflags & CL_GATHER_MOUNT_ALWAYS) ||
zfs_is_mounted(zhp, NULL);
cn->cn_shared = zfs_is_shared(zhp);
cn->cn_shared = zfs_is_shared(zhp, NULL, NULL);
cn->cn_zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
cn->cn_needpost = B_TRUE;
@ -738,7 +748,7 @@ changelist_gather(zfs_handle_t *zhp, zfs_prop_t prop, int gather_flags,
cn->cn_handle = temp;
cn->cn_mounted = (clp->cl_gflags & CL_GATHER_MOUNT_ALWAYS) ||
zfs_is_mounted(temp, NULL);
cn->cn_shared = zfs_is_shared(temp);
cn->cn_shared = zfs_is_shared(temp, NULL, NULL);
cn->cn_zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
cn->cn_needpost = B_TRUE;

4
lib/libzfs/libzfs_dataset.c
View File

@ -3556,14 +3556,14 @@ create_parents(libzfs_handle_t *hdl, char *target, int prefixlen)
goto ancestorerr;
}
if (zfs_share(h) != 0) {
if (zfs_share(h, NULL) != 0) {
opname = dgettext(TEXT_DOMAIN, "share");
goto ancestorerr;
}
zfs_close(h);
}
zfs_commit_all_shares();
zfs_commit_shares(NULL);
return (0);

19
lib/libzfs/libzfs_impl.h
View File

@ -105,15 +105,6 @@ struct zpool_handle {
diskaddr_t zpool_start_block;
};
/*
* Bitmask of shared types:
* 0 means none, otherwise | (1 << (enum sa_protocol + 1)).
*/
typedef unsigned zfs_share_type_t;
#define SHARED_NOT_SHARED 0
#define SA_NO_PROTOCOL -1
typedef int (*zfs_uri_handler_fn_t)(struct libzfs_handle *, const char *,
const char *, zfs_keyformat_t, boolean_t, uint8_t **, size_t *);
@ -233,16 +224,6 @@ typedef struct differ_info {
extern int do_mount(zfs_handle_t *zhp, const char *mntpt, char *opts,
int flags);
extern int do_unmount(zfs_handle_t *zhp, const char *mntpt, int flags);
extern int zfs_mount_delegation_check(void);
extern int zfs_share_proto(zfs_handle_t *zhp, const enum sa_protocol *proto);
extern int zfs_unshare_proto(zfs_handle_t *, const char *,
const enum sa_protocol *);
extern int unshare_one(libzfs_handle_t *hdl, const char *name,
const char *mountpoint, enum sa_protocol proto);
extern boolean_t zfs_is_mountable(zfs_handle_t *zhp, char *buf, size_t buflen,
zprop_source_t *source, int flags);
extern zfs_share_type_t is_shared(const char *mountpoint,
enum sa_protocol proto);
extern int libzfs_load_module(void);
extern int zpool_relabel_disk(libzfs_handle_t *hdl, const char *path,
const char *msg);

254
lib/libzfs/libzfs_mount.c
View File

@ -41,23 +41,13 @@
* zfs_unmount()
* zfs_unmountall()
*
* This file also contains the functions used to manage sharing filesystems via
* NFS and iSCSI:
* This file also contains the functions used to manage sharing filesystems:
*
* zfs_is_shared()
* zfs_share()
* zfs_unshare()
*
* zfs_is_shared_nfs()
* zfs_is_shared_smb()
* zfs_share_proto()
* zfs_shareall();
* zfs_unshare_nfs()
* zfs_unshare_smb()
* zfs_unshareall_nfs()
* zfs_unshareall_smb()
* zfs_unshareall()
* zfs_unshareall_bypath()
* zfs_commit_shares()
*
* The following functions are available for pool consumers, and will
* mount/unmount and share/unshare all datasets within pool:
@ -95,8 +85,6 @@
static int mount_tp_nthr = 512; /* tpool threads for multi-threaded mounting */
static void zfs_mount_task(void *);
static zfs_share_type_t zfs_is_shared_proto(zfs_handle_t *, char **,
enum sa_protocol);
static const proto_table_t proto_table[SA_PROTOCOL_COUNT] = {
[SA_PROTOCOL_NFS] =
@ -249,7 +237,7 @@ zfs_is_mountable_internal(zfs_handle_t *zhp)
* Returns true if the given dataset is mountable, false otherwise. Returns the
* mountpoint in 'buf'.
*/
boolean_t
static boolean_t
zfs_is_mountable(zfs_handle_t *zhp, char *buf, size_t buflen,
zprop_source_t *source, int flags)
{
@ -623,16 +611,16 @@ zfs_unmount(zfs_handle_t *zhp, const char *mountpoint, int flags)
/*
* Unshare and unmount the filesystem
*/
if (zfs_unshare_proto(zhp, mntpt, share_all_proto) != 0) {
if (zfs_unshare(zhp, mntpt, share_all_proto) != 0) {
free(mntpt);
return (-1);
}
zfs_commit_all_shares();
zfs_commit_shares(NULL);
if (unmount_one(zhp, mntpt, flags) != 0) {
free(mntpt);
(void) zfs_shareall(zhp);
zfs_commit_all_shares();
(void) zfs_share(zhp, NULL);
zfs_commit_shares(NULL);
return (-1);
}
@ -691,23 +679,10 @@ zfs_unmountall(zfs_handle_t *zhp, int flags)
return (ret);
}
boolean_t
zfs_is_shared(zfs_handle_t *zhp)
{
if (ZFS_IS_VOLUME(zhp))
return (B_FALSE);
for (enum sa_protocol i = 0; i < SA_PROTOCOL_COUNT; ++i)
if (zfs_is_shared_proto(zhp, NULL, i))
return (B_TRUE);
return (B_FALSE);
}
/*
* Unshare a filesystem by mountpoint.
*/
int
static int
unshare_one(libzfs_handle_t *hdl, const char *name, const char *mountpoint,
enum sa_protocol proto)
{
@ -720,26 +695,13 @@ unshare_one(libzfs_handle_t *hdl, const char *name, const char *mountpoint,
return (0);
}
/*
* Query libshare for the given mountpoint and protocol, returning
* a zfs_share_type_t value.
*/
zfs_share_type_t
is_shared(const char *mountpoint, enum sa_protocol proto)
{
if (sa_is_shared(mountpoint, proto))
return (1 << (proto + 1));
else
return (SHARED_NOT_SHARED);
}
/*
* Share the given filesystem according to the options in the specified
* protocol specific properties (sharenfs, sharesmb). We rely
* on "libshare" to do the dirty work for us.
*/
int
zfs_share_proto(zfs_handle_t *zhp, const enum sa_protocol *proto)
zfs_share(zfs_handle_t *zhp, const enum sa_protocol *proto)
{
char mountpoint[ZFS_MAXPROPLEN];
char shareopts[ZFS_MAXPROPLEN];
@ -748,6 +710,9 @@ zfs_share_proto(zfs_handle_t *zhp, const enum sa_protocol *proto)
zprop_source_t sourcetype;
int err = 0;
if (proto == NULL)
proto = share_all_proto;
if (!zfs_is_mountable(zhp, mountpoint, sizeof (mountpoint), NULL, 0))
return (0);
@ -783,138 +748,74 @@ zfs_share_proto(zfs_handle_t *zhp, const enum sa_protocol *proto)
return (0);
}
int
zfs_share(zfs_handle_t *zhp)
{
assert(!ZFS_IS_VOLUME(zhp));
return (zfs_share_proto(zhp, share_all_proto));
}
int
zfs_unshare(zfs_handle_t *zhp)
{
assert(!ZFS_IS_VOLUME(zhp));
return (zfs_unshareall(zhp));
}
/*
* Check to see if the filesystem is currently shared.
*/
static zfs_share_type_t
zfs_is_shared_proto(zfs_handle_t *zhp, char **where, enum sa_protocol proto)
boolean_t
zfs_is_shared(zfs_handle_t *zhp, char **where,
const enum sa_protocol *proto)
{
char *mountpoint;
zfs_share_type_t rc;
if (proto == NULL)
proto = share_all_proto;
if (ZFS_IS_VOLUME(zhp))
return (B_FALSE);
if (!zfs_is_mounted(zhp, &mountpoint))
return (SHARED_NOT_SHARED);
return (B_FALSE);
if ((rc = is_shared(mountpoint, proto))
!= SHARED_NOT_SHARED) {
if (where != NULL)
*where = mountpoint;
else
free(mountpoint);
return (rc);
} else {
free(mountpoint);
return (SHARED_NOT_SHARED);
}
}
for (const enum sa_protocol *p = proto; *p != SA_NO_PROTOCOL; ++p)
if (sa_is_shared(mountpoint, *p)) {
if (where != NULL)
*where = mountpoint;
else
free(mountpoint);
return (B_TRUE);
}
boolean_t
zfs_is_shared_nfs(zfs_handle_t *zhp, char **where)
{
return (zfs_is_shared_proto(zhp, where,
SA_PROTOCOL_NFS) != SHARED_NOT_SHARED);
}
boolean_t
zfs_is_shared_smb(zfs_handle_t *zhp, char **where)
{
return (zfs_is_shared_proto(zhp, where,
SA_PROTOCOL_SMB) != SHARED_NOT_SHARED);
free(mountpoint);
return (B_FALSE);
}
void
zfs_commit_nfs_shares(void)
{
sa_commit_shares(SA_PROTOCOL_NFS);
}
void
zfs_commit_smb_shares(void)
{
sa_commit_shares(SA_PROTOCOL_SMB);
}
void
zfs_commit_all_shares(void)
{
for (enum sa_protocol i = 0; i < SA_PROTOCOL_COUNT; ++i)
sa_commit_shares(i);
}
void
zfs_commit_shares(const char *proto)
zfs_commit_shares(const enum sa_protocol *proto)
{
if (proto == NULL)
zfs_commit_all_shares();
else
for (enum sa_protocol i = 0; i < ARRAY_SIZE(sa_protocol_names);
++i)
if (strcmp(proto, sa_protocol_names[i]) == 0) {
sa_commit_shares(i);
return;
}
}
proto = share_all_proto;
int
zfs_share_nfs(zfs_handle_t *zhp)
{
const enum sa_protocol nfs_only[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL};
return (zfs_share_proto(zhp, nfs_only));
}
int
zfs_share_smb(zfs_handle_t *zhp)
{
const enum sa_protocol smb_only[] = {SA_PROTOCOL_SMB, SA_NO_PROTOCOL};
return (zfs_share_proto(zhp, smb_only));
}
int
zfs_shareall(zfs_handle_t *zhp)
{
return (zfs_share_proto(zhp, share_all_proto));
for (const enum sa_protocol *p = proto; *p != SA_NO_PROTOCOL; ++p)
sa_commit_shares(*p);
}
/*
* Unshare the given filesystem.
*/
int
zfs_unshare_proto(zfs_handle_t *zhp, const char *mountpoint,
zfs_unshare(zfs_handle_t *zhp, const char *mountpoint,
const enum sa_protocol *proto)
{
libzfs_handle_t *hdl = zhp->zfs_hdl;
struct mnttab entry;
char *mntpt = NULL;
if (proto == NULL)
proto = share_all_proto;
/* check to see if need to unmount the filesystem */
if (mountpoint != NULL)
mntpt = zfs_strdup(hdl, mountpoint);
if (mountpoint != NULL || ((zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) &&
libzfs_mnttab_find(hdl, zfs_get_name(zhp), &entry) == 0)) {
const enum sa_protocol *curr_proto;
if (mountpoint == NULL)
mntpt = zfs_strdup(zhp->zfs_hdl, entry.mnt_mountp);
for (curr_proto = proto; *curr_proto != SA_NO_PROTOCOL;
curr_proto++) {
for (const enum sa_protocol *curr_proto = proto;
*curr_proto != SA_NO_PROTOCOL; curr_proto++) {
if (is_shared(mntpt, *curr_proto)) {
if (sa_is_shared(mntpt, *curr_proto)) {
if (unshare_one(hdl, zhp->zfs_name,
mntpt, *curr_proto) != 0) {
if (mntpt != NULL)
@ -930,29 +831,18 @@ zfs_unshare_proto(zfs_handle_t *zhp, const char *mountpoint,
return (0);
}
int
zfs_unshare_nfs(zfs_handle_t *zhp, const char *mountpoint)
{
const enum sa_protocol nfs_only[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL};
return (zfs_unshare_proto(zhp, mountpoint, nfs_only));
}
int
zfs_unshare_smb(zfs_handle_t *zhp, const char *mountpoint)
{
const enum sa_protocol smb_only[] = {SA_PROTOCOL_SMB, SA_NO_PROTOCOL};
return (zfs_unshare_proto(zhp, mountpoint, smb_only));
}
/*
* Same as zfs_unmountall(), but for NFS and SMB unshares.
*/
static int
zfs_unshareall_proto(zfs_handle_t *zhp, const enum sa_protocol *proto)
int
zfs_unshareall(zfs_handle_t *zhp, const enum sa_protocol *proto)
{
prop_changelist_t *clp;
int ret;
if (proto == NULL)
proto = share_all_proto;
clp = changelist_gather(zhp, ZFS_PROP_SHARENFS, 0, 0);
if (clp == NULL)
return (-1);
@ -963,48 +853,6 @@ zfs_unshareall_proto(zfs_handle_t *zhp, const enum sa_protocol *proto)
return (ret);
}
int
zfs_unshareall_nfs(zfs_handle_t *zhp)
{
const enum sa_protocol nfs_only[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL};
return (zfs_unshareall_proto(zhp, nfs_only));
}
int
zfs_unshareall_smb(zfs_handle_t *zhp)
{
const enum sa_protocol smb_only[] = {SA_PROTOCOL_SMB, SA_NO_PROTOCOL};
return (zfs_unshareall_proto(zhp, smb_only));
}
int
zfs_unshareall(zfs_handle_t *zhp)
{
return (zfs_unshareall_proto(zhp, share_all_proto));
}
int
zfs_unshareall_bypath(zfs_handle_t *zhp, const char *mountpoint)
{
return (zfs_unshare_proto(zhp, mountpoint, share_all_proto));
}
int
zfs_unshareall_bytype(zfs_handle_t *zhp, const char *mountpoint,
const char *proto)
{
if (proto == NULL)
return (zfs_unshare_proto(zhp, mountpoint, share_all_proto));
for (enum sa_protocol i = 0; i < ARRAY_SIZE(sa_protocol_names); ++i)
if (strcmp(proto, sa_protocol_names[i]) == 0) {
enum sa_protocol protocols[] = {i, SA_NO_PROTOCOL};
return (zfs_unshare_proto(zhp, mountpoint, protocols));
}
return (1);
}
/*
* Remove the mountpoint associated with the current dataset, if necessary.
* We only remove the underlying directory if:
@ -1295,7 +1143,7 @@ zfs_share_one(zfs_handle_t *zhp, void *arg)
mount_state_t *ms = arg;
int ret = 0;
if (zfs_share(zhp) != 0)
if (zfs_share(zhp, NULL) != 0)
ret = ms->ms_mntstatus = -1;
return (ret);
}
@ -1468,7 +1316,7 @@ zpool_enable_datasets(zpool_handle_t *zhp, const char *mntopts, int flags)
if (ms.ms_mntstatus != 0)
ret = ms.ms_mntstatus;
else
zfs_commit_all_shares();
zfs_commit_shares(NULL);
out:
for (int i = 0; i < cb.cb_used; i++)
@ -1578,13 +1426,13 @@ zpool_disable_datasets(zpool_handle_t *zhp, boolean_t force)
*/
for (i = 0; i < used; i++) {
for (enum sa_protocol i = 0; i < SA_PROTOCOL_COUNT; ++i) {
if (is_shared(sets[i].mountpoint, i) &&
if (sa_is_shared(sets[i].mountpoint, i) &&
unshare_one(hdl, sets[i].mountpoint,
sets[i].mountpoint, i) != 0)
goto out;
}
}
zfs_commit_all_shares();
zfs_commit_shares(NULL);
/*
* Now unmount everything, removing the underlying directories as