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Export symbols for the VFS API 

Export all symbols already marked extern in the zfs_vfsops.h
header.  Several non-static symbols have also been added to
the header and exportewd.  This allows external modules to
more easily create and manipulate properly created ZFS
filesystem type datasets.

Rename zfsvfs_teardown() to zfs_sb_teardown and export it.
This is done simply for consistency with the rest of the code
base.  All other zfsvfs_* functions have already been renamed.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf 2011-10-10 10:42:59 -07:00
parent 3646c3f2b5
commit 86f35f34f4
3 changed files with 15 additions and 5 deletions
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2
cmd/ztest/ztest.c
View File

@ -2123,7 +2123,7 @@ ztest_zil_remount(ztest_ds_t *zd, uint64_t id)
(void) rw_enter(&zd->zd_zilog_lock, RW_WRITER);
/* zfsvfs_teardown() */
/* zfs_sb_teardown() */
zil_close(zd->zd_zilog);
/* zfsvfs_setup() */

4
include/sys/zfs_vfsops.h
View File

@ -179,8 +179,12 @@ extern boolean_t zfs_owner_overquota(zfs_sb_t *zsb, struct znode *,
extern boolean_t zfs_fuid_overquota(zfs_sb_t *zsb, boolean_t isgroup,
uint64_t fuid);
extern int zfs_set_version(zfs_sb_t *zsb, uint64_t newvers);
extern int zfs_get_zplprop(objset_t *os, zfs_prop_t prop,
uint64_t *value);
extern int zfs_sb_create(const char *name, zfs_sb_t **zsbp);
extern int zfs_sb_setup(zfs_sb_t *zsb, boolean_t mounting);
extern void zfs_sb_free(zfs_sb_t *zsb);
extern int zfs_sb_teardown(zfs_sb_t *zsb, boolean_t unmounting);
extern int zfs_check_global_label(const char *dsname, const char *hexsl);
extern boolean_t zfs_is_readonly(zfs_sb_t *zsb);

14
module/zfs/zfs_vfsops.c
View File

@ -715,8 +715,9 @@ out:
kmem_free(zsb, sizeof (zfs_sb_t));
return (error);
}
EXPORT_SYMBOL(zfs_sb_create);
static int
int
zfs_sb_setup(zfs_sb_t *zsb, boolean_t mounting)
{
int error;
@ -797,6 +798,7 @@ zfs_sb_setup(zfs_sb_t *zsb, boolean_t mounting)
return (0);
}
EXPORT_SYMBOL(zfs_sb_setup);
void
zfs_sb_free(zfs_sb_t *zsb)
@ -816,6 +818,7 @@ zfs_sb_free(zfs_sb_t *zsb)
mutex_destroy(&zsb->z_hold_mtx[i]);
kmem_free(zsb, sizeof (zfs_sb_t));
}
EXPORT_SYMBOL(zfs_sb_free);
static void
zfs_set_fuid_feature(zfs_sb_t *zsb)
@ -899,6 +902,7 @@ zfs_check_global_label(const char *dsname, const char *hexsl)
}
return (EACCES);
}
EXPORT_SYMBOL(zfs_check_global_label);
#endif /* HAVE_MLSLABEL */
int
@ -986,7 +990,7 @@ EXPORT_SYMBOL(zfs_root);
* and 'z_teardown_inactive_lock' held.
*/
int
zfsvfs_teardown(zfs_sb_t *zsb, boolean_t unmounting)
zfs_sb_teardown(zfs_sb_t *zsb, boolean_t unmounting)
{
znode_t *zp;
@ -1083,6 +1087,7 @@ zfsvfs_teardown(zfs_sb_t *zsb, boolean_t unmounting)
return (0);
}
EXPORT_SYMBOL(zfs_sb_teardown);
#ifdef HAVE_BDI
static atomic_long_t bdi_seq = ATOMIC_LONG_INIT(0);
@ -1185,7 +1190,7 @@ zfs_umount(struct super_block *sb)
zfs_sb_t *zsb = sb->s_fs_info;
objset_t *os;
VERIFY(zfsvfs_teardown(zsb, B_TRUE) == 0);
VERIFY(zfs_sb_teardown(zsb, B_TRUE) == 0);
os = zsb->z_os;
if (bdi_get_sb(sb)) {
@ -1332,7 +1337,7 @@ zfs_suspend_fs(zfs_sb_t *zsb)
{
int error;
if ((error = zfsvfs_teardown(zsb, B_FALSE)) != 0)
if ((error = zfs_sb_teardown(zsb, B_FALSE)) != 0)
return (error);
dmu_objset_disown(zsb->z_os, zsb);
@ -1512,6 +1517,7 @@ zfs_get_zplprop(objset_t *os, zfs_prop_t prop, uint64_t *value)
}
return (error);
}
EXPORT_SYMBOL(zfs_get_zplprop);
void
zfs_init(void)