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libspl: move procfs_list implementation from libzpool

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Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #17861
This commit is contained in:
Rob Norris
2025-10-27 13:49:15 +11:00
committed by Brian Behlendorf
parent 8700fc669b
commit ee89fefe4d
3 changed files with 94 additions and 59 deletions
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lib/libzpool/kernel.c
-59
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@@ -74,65 +74,6 @@ zone_get_hostid(void *zonep)
return (hostid);
}
/*
* =========================================================================
* procfs list
* =========================================================================
*/
void
seq_printf(struct seq_file *m, const char *fmt, ...)
{
(void) m, (void) fmt;
}
void
procfs_list_install(const char *module,
const char *submodule,
const char *name,
mode_t mode,
procfs_list_t *procfs_list,
int (*show)(struct seq_file *f, void *p),
int (*show_header)(struct seq_file *f),
int (*clear)(procfs_list_t *procfs_list),
size_t procfs_list_node_off)
{
(void) module, (void) submodule, (void) name, (void) mode, (void) show,
(void) show_header, (void) clear;
mutex_init(&procfs_list->pl_lock, NULL, MUTEX_DEFAULT, NULL);
list_create(&procfs_list->pl_list,
procfs_list_node_off + sizeof (procfs_list_node_t),
procfs_list_node_off + offsetof(procfs_list_node_t, pln_link));
procfs_list->pl_next_id = 1;
procfs_list->pl_node_offset = procfs_list_node_off;
}
void
procfs_list_uninstall(procfs_list_t *procfs_list)
{
(void) procfs_list;
}
void
procfs_list_destroy(procfs_list_t *procfs_list)
{
ASSERT(list_is_empty(&procfs_list->pl_list));
list_destroy(&procfs_list->pl_list);
mutex_destroy(&procfs_list->pl_lock);
}
#define NODE_ID(procfs_list, obj) \
(((procfs_list_node_t *)(((char *)obj) + \
(procfs_list)->pl_node_offset))->pln_id)
void
procfs_list_add(procfs_list_t *procfs_list, void *p)
{
ASSERT(MUTEX_HELD(&procfs_list->pl_lock));
NODE_ID(procfs_list, p) = procfs_list->pl_next_id++;
list_insert_tail(&procfs_list->pl_list, p);
}
/*
* =========================================================================
* vnode operations