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sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c
| Show First 20 Lines • Show All 462 Lines • ▼ Show 20 Lines | if (vfs_optionisset(vfsp, MNTOPT_NOATIME, NULL)) { | ||||
| atime = B_FALSE; | atime = B_FALSE; | ||||
| do_atime = B_TRUE; | do_atime = B_TRUE; | ||||
| } else if (vfs_optionisset(vfsp, MNTOPT_ATIME, NULL)) { | } else if (vfs_optionisset(vfsp, MNTOPT_ATIME, NULL)) { | ||||
| atime = B_TRUE; | atime = B_TRUE; | ||||
| do_atime = B_TRUE; | do_atime = B_TRUE; | ||||
| } | } | ||||
| /* | /* | ||||
| * We need to enter pool configuration here, so that we can use | |||||
| * dsl_prop_get_int_ds() to handle the special nbmand property below. | |||||
| * dsl_prop_get_integer() can not be used, because it has to acquire | |||||
| * spa_namespace_lock and we can not do that because we already hold | |||||
| * z_teardown_lock. The problem is that spa_config_sync() is called | |||||
| * with spa_namespace_lock held and the function calls ZFS vnode | |||||
| * operations to write the cache file and thus z_teardown_lock is | |||||
| * acquired after spa_namespace_lock. | |||||
| */ | |||||
| ds = dmu_objset_ds(os); | |||||
| dsl_pool_config_enter(dmu_objset_pool(os), FTAG); | |||||
| /* | |||||
| * nbmand is a special property. It can only be changed at | * nbmand is a special property. It can only be changed at | ||||
| * mount time. | * mount time. | ||||
| * | * | ||||
| * This is weird, but it is documented to only be changeable | * This is weird, but it is documented to only be changeable | ||||
| * at mount time. | * at mount time. | ||||
| */ | */ | ||||
| if (vfs_optionisset(vfsp, MNTOPT_NONBMAND, NULL)) { | if (vfs_optionisset(vfsp, MNTOPT_NONBMAND, NULL)) { | ||||
| nbmand = B_FALSE; | nbmand = B_FALSE; | ||||
| } else if (vfs_optionisset(vfsp, MNTOPT_NBMAND, NULL)) { | } else if (vfs_optionisset(vfsp, MNTOPT_NBMAND, NULL)) { | ||||
| nbmand = B_TRUE; | nbmand = B_TRUE; | ||||
| } else { | } else if (error = dsl_prop_get_int_ds(ds, "nbmand", &nbmand) != 0) { | ||||
| char osname[MAXNAMELEN]; | dsl_pool_config_exit(dmu_objset_pool(os), FTAG); | ||||
| dmu_objset_name(os, osname); | |||||
| if (error = dsl_prop_get_integer(osname, "nbmand", &nbmand, | |||||
| NULL)) { | |||||
| return (error); | return (error); | ||||
| } | } | ||||
| } | |||||
| /* | /* | ||||
| * Register property callbacks. | * Register property callbacks. | ||||
| * | * | ||||
| * It would probably be fine to just check for i/o error from | * It would probably be fine to just check for i/o error from | ||||
| * the first prop_register(), but I guess I like to go | * the first prop_register(), but I guess I like to go | ||||
| * overboard... | * overboard... | ||||
| */ | */ | ||||
| ds = dmu_objset_ds(os); | |||||
| dsl_pool_config_enter(dmu_objset_pool(os), FTAG); | |||||
| error = dsl_prop_register(ds, | error = dsl_prop_register(ds, | ||||
| zfs_prop_to_name(ZFS_PROP_ATIME), atime_changed_cb, zfsvfs); | zfs_prop_to_name(ZFS_PROP_ATIME), atime_changed_cb, zfsvfs); | ||||
| error = error ? error : dsl_prop_register(ds, | error = error ? error : dsl_prop_register(ds, | ||||
| zfs_prop_to_name(ZFS_PROP_XATTR), xattr_changed_cb, zfsvfs); | zfs_prop_to_name(ZFS_PROP_XATTR), xattr_changed_cb, zfsvfs); | ||||
| error = error ? error : dsl_prop_register(ds, | error = error ? error : dsl_prop_register(ds, | ||||
| zfs_prop_to_name(ZFS_PROP_RECORDSIZE), blksz_changed_cb, zfsvfs); | zfs_prop_to_name(ZFS_PROP_RECORDSIZE), blksz_changed_cb, zfsvfs); | ||||
| error = error ? error : dsl_prop_register(ds, | error = error ? error : dsl_prop_register(ds, | ||||
| zfs_prop_to_name(ZFS_PROP_READONLY), readonly_changed_cb, zfsvfs); | zfs_prop_to_name(ZFS_PROP_READONLY), readonly_changed_cb, zfsvfs); | ||||
| ▲ Show 20 Lines • Show All 2,083 Lines • Show Last 20 Lines | |||||