qla4xxx_should_update_isid(9)

💅 qla4xxx_should_update_isid(9) — aka the Kernel API Manual moment 🎀

okay so bestie, we're in the Kernel API Manual today and the star of the show is qla4xxx_should_update_isid ✨ like yes we are checking on an isid, stay with me 💖

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🌸 NAME 🌸

qla4xxx_should_update_isid — the little function that checks if isid need to update 👀 no cap, that's the whole gig

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🦋 SYNOPSIS 🦋

int qla4xxx_should_update_isid (struct scsi_qla_host *ha , struct
       ql4_tuple_ddb *old_tddb , struct ql4_tuple_ddb *new_tddb );

she takes three things and returns an int, periodt 💅

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🎀 ARGUMENTS 🎀

• ha — Pointer to host adapter structure. the main character honestly 🫶
• old_tddb — ddb tuple. the before pic 🙈
• new_tddb — ddb tuple. the after pic ✨

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🔥 DESCRIPTION 🔥

so here's the vibe check: she returns QLA_SUCCESS if it's a different IP, a different PORT, the same iqn, and the same isid 🌈 literally all four of those conditions, together, bestie 💜

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👑 SEE ALSO 👑

Kernel file ./drivers/scsi/qla4xxx/ql4_os.c — and honestly the whole friend group is here, obsessed 🍓

• qla4xxx_create_chap_list(9)
• qla4xxx_find_free_chap_index(9)
• qla4xxx_set_chap_entry(9)
• qla4xxx_mark_all_devices_missing(9)
• qla4xxx_queuecommand(9)
• qla4xxx_mem_free(9)
• qla4xxx_mem_alloc(9)
• qla4_8xxx_check_temp(9)
• qla4_8xxx_check_fw_alive(9)
• qla4_8xxx_watchdog(9)
• qla4xxx_timer(9)
• qla4xxx_cmd_wait(9)
• qla4xxx_soft_reset(9)
• qla4xxx_abort_active_cmds(9)
• qla4xxx_recover_adapter(9)
• qla4xxx_do_dpc(9)
• qla4xxx_free_adapter(9)
• qla4xxx_get_bidi_chap(9)
• qla4xxx_check_existing_isid(9)
• qla4xxx_update_isid(9)
• qla4xxx_is_flash_ddb_exists(9)
• qla4xxx_remove_failed_ddb(9)
• qla4xxx_sysfs_ddb_is_non_persistent(9)
• qla4xxx_sysfs_ddb_tgt_create(9)
• qla4xxx_sysfs_ddb_add(9)
• qla4xxx_sysfs_ddb_apply(9)
• qla4xxx_sysfs_ddb_login(9)
• qla4xxx_sysfs_ddb_logout_sid(9)
• qla4xxx_sysfs_ddb_logout(9)
• qla4xxx_sysfs_ddb_set_param(9)
• qla4xxx_sysfs_ddb_delete(9)
• qla4xxx_sysfs_ddb_export(9)
• qla4xxx_build_ddb_list(9)
• qla4xxx_wait_login_resp_boot_tgt(9)
• qla4xxx_probe_adapter(9)
• qla4xxx_prevent_other_port_reinit(9)
• qla4xxx_remove_adapter(9)
• qla4xxx_config_dma_addressing(9)
• qla4xxx_del_from_active_array(9)
• qla4xxx_eh_wait_on_command(9)
• qla4xxx_wait_for_hba_online(9)
• qla4xxx_eh_wait_for_commands(9)
• qla4xxx_eh_abort(9)
• qla4xxx_eh_device_reset(9)
• qla4xxx_eh_target_reset(9)
• qla4xxx_is_eh_active(9)
• qla4xxx_eh_host_reset(9)
• qla4xxx_pci_mmio_enabled(9)

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okay that's the whole page, mwah 💋 and for the credits era of this post: this one lives in ./drivers/scsi/qla4xxx, dated October 2026, and yes it's still qla4xxx_should_update_isid(9) — same icon, no rebrand 🌟 bye bestie, go check those isids 🧚‍♀️💖