diff options
| author | Jerry Jelinek <[email protected]> | 2015-04-02 00:07:48 +1100 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2015-04-28 16:22:51 -0700 |
| commit | 788eb90c4ca64beaf85ef542bb22c64fcb50993a (patch) | |
| tree | c759bb7636e66d33713490aa8170ec4c03a1be62 /include/sys/dsl_dir.h | |
| parent | 308a451f7f5ecded4f194a50abab5ca123b6d397 (diff) | |
Illumos 3897 - zfs filesystem and snapshot limits
3897 zfs filesystem and snapshot limits
Author: Jerry Jelinek <[email protected]>
Reviewed by: Matthew Ahrens <[email protected]>
Approved by: Christopher Siden <[email protected]>
References:
https://www.illumos.org/issues/3897
https://github.com/illumos/illumos-gate/commit/a2afb61
Porting Notes:
dsl_dataset_snapshot_check(): reduce stack usage using kmem_alloc().
Ported-by: Chris Dunlop <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Diffstat (limited to 'include/sys/dsl_dir.h')
| -rw-r--r-- | include/sys/dsl_dir.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/sys/dsl_dir.h b/include/sys/dsl_dir.h index a0a3ef1de..a9c4f6751 100644 --- a/include/sys/dsl_dir.h +++ b/include/sys/dsl_dir.h @@ -21,6 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2014, Joyent, Inc. All rights reserved. */ #ifndef _SYS_DSL_DIR_H @@ -38,6 +39,14 @@ extern "C" { struct dsl_dataset; +/* + * DD_FIELD_* are strings that are used in the "extensified" dsl_dir zap object. + * They should be of the format <reverse-dns>:<field>. + */ + +#define DD_FIELD_FILESYSTEM_COUNT "com.joyent:filesystem_count" +#define DD_FIELD_SNAPSHOT_COUNT "com.joyent:snapshot_count" + typedef enum dd_used { DD_USED_HEAD, DD_USED_SNAP, @@ -129,8 +138,13 @@ int dsl_dir_set_quota(const char *ddname, zprop_source_t source, uint64_t quota); int dsl_dir_set_reservation(const char *ddname, zprop_source_t source, uint64_t reservation); +int dsl_dir_activate_fs_ss_limit(const char *); +int dsl_fs_ss_limit_check(dsl_dir_t *, uint64_t, zfs_prop_t, dsl_dir_t *, + cred_t *); +void dsl_fs_ss_count_adjust(dsl_dir_t *, int64_t, const char *, dmu_tx_t *); int dsl_dir_rename(const char *oldname, const char *newname); -int dsl_dir_transfer_possible(dsl_dir_t *sdd, dsl_dir_t *tdd, uint64_t space); +int dsl_dir_transfer_possible(dsl_dir_t *sdd, dsl_dir_t *tdd, + uint64_t fs_cnt, uint64_t ss_cnt, uint64_t space, cred_t *); boolean_t dsl_dir_is_clone(dsl_dir_t *dd); void dsl_dir_new_refreservation(dsl_dir_t *dd, struct dsl_dataset *ds, uint64_t reservation, cred_t *cr, dmu_tx_t *tx); @@ -138,6 +152,8 @@ void dsl_dir_snap_cmtime_update(dsl_dir_t *dd); timestruc_t dsl_dir_snap_cmtime(dsl_dir_t *dd); void dsl_dir_set_reservation_sync_impl(dsl_dir_t *dd, uint64_t value, dmu_tx_t *tx); +void dsl_dir_zapify(dsl_dir_t *dd, dmu_tx_t *tx); +boolean_t dsl_dir_is_zapified(dsl_dir_t *dd); /* internal reserved dir name */ #define MOS_DIR_NAME "$MOS" |