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Add zpool properties for allocation class space

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The existing zpool properties accounting pool space (size, allocated,
fragmentation, expandsize, free, capacity) are based on the normal
metaslab class or are cumulative properties of several classes combined.

Add properties reporting the space accounting metrics for each metaslab
class individually.

Also introduce pool-wide AVAIL, USABLE, and USED properties reporting
values corresponding to FREE, SIZE, and ALLOC deflated for raidz.

Update ZTS to recognize the new properties and validate reported values.

While in zpool_get_parsable.cfg, add "fragmentation" to the list of
parsable properties.

Sponsored-by: Klara, Inc.
Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ameer Hamza <ahamza@ixsystems.com>
Signed-off-by: Ryan Moeller <ryan.moeller@klarasystems.com>
Cloes #18238
This commit is contained in:
Ryan Moeller
2026-02-18 11:54:13 -05:00
committed by Brian Behlendorf
parent 6ba3f915d0
commit ac0fd40c8c
14 changed files with 1047 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/fs/zfs.h
+81
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@@ -275,9 +275,90 @@ typedef enum {
ZPOOL_PROP_LAST_SCRUBBED_TXG,
ZPOOL_PROP_DEDUPUSED,
ZPOOL_PROP_DEDUPSAVED,
ZPOOL_PROP_AVAILABLE,
ZPOOL_PROP_USABLE,
ZPOOL_PROP_USED,
ZPOOL_PROP_NORMAL_SIZE,
ZPOOL_PROP_NORMAL_CAPACITY,
ZPOOL_PROP_NORMAL_FREE,
ZPOOL_PROP_NORMAL_ALLOCATED,
ZPOOL_PROP_NORMAL_AVAILABLE,
ZPOOL_PROP_NORMAL_USABLE,
ZPOOL_PROP_NORMAL_USED,
ZPOOL_PROP_NORMAL_EXPANDSZ,
ZPOOL_PROP_NORMAL_FRAGMENTATION,
ZPOOL_PROP_SPECIAL_SIZE,
ZPOOL_PROP_SPECIAL_CAPACITY,
ZPOOL_PROP_SPECIAL_FREE,
ZPOOL_PROP_SPECIAL_ALLOCATED,
ZPOOL_PROP_SPECIAL_AVAILABLE,
ZPOOL_PROP_SPECIAL_USABLE,
ZPOOL_PROP_SPECIAL_USED,
ZPOOL_PROP_SPECIAL_EXPANDSZ,
ZPOOL_PROP_SPECIAL_FRAGMENTATION,
ZPOOL_PROP_DEDUP_SIZE,
ZPOOL_PROP_DEDUP_CAPACITY,
ZPOOL_PROP_DEDUP_FREE,
ZPOOL_PROP_DEDUP_ALLOCATED,
ZPOOL_PROP_DEDUP_AVAILABLE,
ZPOOL_PROP_DEDUP_USABLE,
ZPOOL_PROP_DEDUP_USED,
ZPOOL_PROP_DEDUP_EXPANDSZ,
ZPOOL_PROP_DEDUP_FRAGMENTATION,
ZPOOL_PROP_LOG_SIZE,
ZPOOL_PROP_LOG_CAPACITY,
ZPOOL_PROP_LOG_FREE,
ZPOOL_PROP_LOG_ALLOCATED,
ZPOOL_PROP_LOG_AVAILABLE,
ZPOOL_PROP_LOG_USABLE,
ZPOOL_PROP_LOG_USED,
ZPOOL_PROP_LOG_EXPANDSZ,
ZPOOL_PROP_LOG_FRAGMENTATION,
ZPOOL_PROP_ELOG_SIZE,
ZPOOL_PROP_ELOG_CAPACITY,
ZPOOL_PROP_ELOG_FREE,
ZPOOL_PROP_ELOG_ALLOCATED,
ZPOOL_PROP_ELOG_AVAILABLE,
ZPOOL_PROP_ELOG_USABLE,
ZPOOL_PROP_ELOG_USED,
ZPOOL_PROP_ELOG_EXPANDSZ,
ZPOOL_PROP_ELOG_FRAGMENTATION,
ZPOOL_PROP_SELOG_SIZE,
ZPOOL_PROP_SELOG_CAPACITY,
ZPOOL_PROP_SELOG_FREE,
ZPOOL_PROP_SELOG_ALLOCATED,
ZPOOL_PROP_SELOG_AVAILABLE,
ZPOOL_PROP_SELOG_USABLE,
ZPOOL_PROP_SELOG_USED,
ZPOOL_PROP_SELOG_EXPANDSZ,
ZPOOL_PROP_SELOG_FRAGMENTATION,
ZPOOL_NUM_PROPS
} zpool_prop_t;
/* Offsets for metaslab class properties. */
typedef enum {
ZPOOL_MC_PROP_SIZE,
ZPOOL_MC_PROP_CAPACITY,
ZPOOL_MC_PROP_FREE,
ZPOOL_MC_PROP_ALLOCATED,
ZPOOL_MC_PROP_AVAILABLE,
ZPOOL_MC_PROP_USABLE,
ZPOOL_MC_PROP_USED,
ZPOOL_MC_PROP_EXPANDSZ,
ZPOOL_MC_PROP_FRAGMENTATION,
ZPOOL_NUM_MC_PROPS
} zpool_mc_prop_t;
/* Offsets for metaslab class property groups. */
typedef enum {
ZPOOL_MC_PROPS_NORMAL = ZPOOL_PROP_NORMAL_SIZE,
ZPOOL_MC_PROPS_SPECIAL = ZPOOL_PROP_SPECIAL_SIZE,
ZPOOL_MC_PROPS_DEDUP = ZPOOL_PROP_DEDUP_SIZE,
ZPOOL_MC_PROPS_LOG = ZPOOL_PROP_LOG_SIZE,
ZPOOL_MC_PROPS_ELOG = ZPOOL_PROP_ELOG_SIZE,
ZPOOL_MC_PROPS_SELOG = ZPOOL_PROP_SELOG_SIZE,
} zpool_mc_props_t;
/* Small enough to not hog a whole line of printout in zpool(8). */
#define ZPROP_MAX_COMMENT 32
#define ZPROP_BOOLEAN_NA 2