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range_tree: Provide more debug details upon unexpected add/remove

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Sponsored-by: Klara, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Signed-off-by: Igor Ostapenko <igor.ostapenko@klarasystems.com>
Closes #17581
This commit is contained in:
Igor Ostapenko
2025-07-31 17:44:42 +03:00
committed by GitHub
parent 2957eabbef
commit cb5e7e097d
13 changed files with 227 additions and 87 deletions
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include/sys/range_tree.h
+9
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@@ -49,6 +49,9 @@ typedef enum zfs_range_seg_type {
ZFS_RANGE_SEG_NUM_TYPES,
} zfs_range_seg_type_t;
#define ZFS_RT_NAME(rt) (((rt)->rt_name != NULL) ? (rt)->rt_name : "")
#define ZFS_RT_F_DYN_NAME (1ULL << 0) /* if rt_name must be freed */
/*
* Note: the range_tree may not be accessed concurrently; consumers
* must provide external locking if required.
@@ -68,6 +71,9 @@ typedef struct zfs_range_tree {
void *rt_arg;
uint64_t rt_gap; /* allowable inter-segment gap */
uint64_t rt_flags;
const char *rt_name; /* details for debugging */
/*
* The rt_histogram maintains a histogram of ranges. Each bucket,
* rt_histogram[i], contains the number of ranges whose size is:
@@ -281,6 +287,9 @@ zfs_range_tree_t *zfs_range_tree_create_gap(const zfs_range_tree_ops_t *ops,
uint64_t gap);
zfs_range_tree_t *zfs_range_tree_create(const zfs_range_tree_ops_t *ops,
zfs_range_seg_type_t type, void *arg, uint64_t start, uint64_t shift);
zfs_range_tree_t *zfs_range_tree_create_flags(const zfs_range_tree_ops_t *ops,
zfs_range_seg_type_t type, void *arg, uint64_t start, uint64_t shift,
uint64_t flags, const char *name);
void zfs_range_tree_destroy(zfs_range_tree_t *rt);
boolean_t zfs_range_tree_contains(zfs_range_tree_t *rt, uint64_t start,
uint64_t size);