system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-07-23 19:28:36 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

boot/zfs: Add some fields to dsl_dir_phys_t

Browse source 
Most of the first block of pad bytes are now used for space accounting
purposes.  No functional change intended.

MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Mark Johnston 2023-10-23 11:05:50 -04:00
parent 044eef6ab9
commit 3115538908
1 changed files with 14 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
sys/cddl/boot/zfs/zfsimpl.h
View file

@ -1406,6 +1406,17 @@ typedef enum {
#define SM2_RUN_MAX SM2_RUN_DECODE(~0ULL)
#define SM2_OFFSET_MAX SM2_OFFSET_DECODE(~0ULL)
typedef enum dd_used {
DD_USED_HEAD,
DD_USED_SNAP,
DD_USED_CHILD,
DD_USED_CHILD_RSRV,
DD_USED_REFRSRV,
DD_USED_NUM
} dd_used_t;
#define DD_FLAG_USED_BREAKDOWN (1 << 0)
typedef struct dsl_dir_phys {
uint64_t dd_creation_time; /* not actually used */
uint64_t dd_head_dataset_obj;
@ -1424,7 +1435,9 @@ typedef struct dsl_dir_phys {
/* Administrative reservation setting */
uint64_t dd_reserved;
uint64_t dd_props_zapobj;
uint64_t dd_pad[7];
uint64_t dd_pad[1];
uint64_t dd_flags;
uint64_t dd_used_breakdown[DD_USED_NUM];
uint64_t dd_clones;
uint64_t dd_pad1[13]; /* pad out to 256 bytes for good measure */
} dsl_dir_phys_t;