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Add TXG timestamp database

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This feature enables tracking of when TXGs are committed to disk,
providing an estimated timestamp for each TXG.

With this information, it becomes possible to perform scrubs based
on specific date ranges, improving the granularity of data
management and recovery operations.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Reviewed-by: Paul Dagnelie <paul.dagnelie@klarasystems.com>
Signed-off-by: Mariusz Zaborski <mariusz.zaborski@klarasystems.com>
Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Closes #16853
This commit is contained in:
Mariusz Zaborski
2025-08-06 19:31:21 +02:00
committed by GitHub
parent c3496b5cc6
commit 894edd084e
21 changed files with 736 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/libzfs/libzfs.abi
+9
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@@ -574,6 +574,7 @@
<elf-symbol name='zpool_reguid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_reopen_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_scan' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_scan_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_search_import' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_set_bootenv' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zpool_set_guid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
@@ -6946,6 +6947,14 @@
<parameter type-id='b51cf3c2' name='cmd'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zpool_scan_range' mangled-name='zpool_scan_range' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zpool_scan_range'>
<parameter type-id='4c81de99' name='zhp'/>
<parameter type-id='7313fbe2' name='func'/>
<parameter type-id='b51cf3c2' name='cmd'/>
<parameter type-id='c9d12d66' name='date_start'/>
<parameter type-id='c9d12d66' name='date_end'/>
<return type-id='95e97e5e'/>
</function-decl>
<function-decl name='zpool_find_vdev_by_physpath' mangled-name='zpool_find_vdev_by_physpath' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zpool_find_vdev_by_physpath'>
<parameter type-id='4c81de99' name='zhp'/>
<parameter type-id='80f4b756' name='ppath'/>
lib/libzfs/libzfs_pool.c
+9 -1
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@@ -2773,7 +2773,13 @@ out:
* Scan the pool.
*/
int
zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func, pool_scrub_cmd_t cmd)
zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func, pool_scrub_cmd_t cmd) {
return (zpool_scan_range(zhp, func, cmd, 0, 0));
}
int
zpool_scan_range(zpool_handle_t *zhp, pool_scan_func_t func,
pool_scrub_cmd_t cmd, time_t date_start, time_t date_end)
{
char errbuf[ERRBUFLEN];
int err;
@@ -2782,6 +2788,8 @@ zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func, pool_scrub_cmd_t cmd)
nvlist_t *args = fnvlist_alloc();
fnvlist_add_uint64(args, "scan_type", (uint64_t)func);
fnvlist_add_uint64(args, "scan_command", (uint64_t)cmd);
fnvlist_add_uint64(args, "scan_date_start", (uint64_t)date_start);
fnvlist_add_uint64(args, "scan_date_end", (uint64_t)date_end);
err = lzc_scrub(ZFS_IOC_POOL_SCRUB, zhp->zpool_name, args, NULL);
fnvlist_free(args);
lib/libzpool/Makefile.am
+1
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@@ -177,6 +177,7 @@ nodist_libzpool_la_SOURCES = \
module/zfs/zfs_byteswap.c \
module/zfs/zfs_chksum.c \
module/zfs/zfs_debug_common.c \
module/zfs/zfs_crrd.c \
module/zfs/zfs_fm.c \
module/zfs/zfs_fuid.c \
module/zfs/zfs_ratelimit.c \