seq_hlist_start_head(9)

okay so welcome to the Kernel API Manual, bestie — today’s main character is seq_hlist_start_head(9) 💅✨

🌸 NAME 🌸

seq_hlist_start_head — start an iteration of a hlist. Periodt. 💖

🦋 SYNOPSIS 🦋

struct hlist_node * seq_hlist_start_head (struct hlist_head *head ,
       loff_t pos );

🎀 ARGUMENTS 🎀

• head — the head of the hlist. That’s the starting point, bestie.
• pos — the start position of the sequence. Lowkey the “where are we starting” vibe.

✨ DESCRIPTION ✨

Called at seq_file->op->start.

Call this function if you want to print a header at the top of the output. It’s literally giving “header first, then the rest” energy 👑.

💜 SEE ALSO 💜

Kernel file ./fs/seq_file.c — that’s the file, and here’s the whole squad:

• seq_open(9)
• seq_read(9)
• seq_lseek(9)
• seq_release(9)
• seq_escape_mem(9)
• seq_mangle_path(9)
• seq_path(9)
• seq_file_path(9)
• seq_put_decimal_ull_width(9)
• seq_put_hex_ll(9)
• seq_write(9)
• seq_pad(9)
• seq_hlist_start(9)
• seq_hlist_next(9)
• seq_hlist_start_rcu(9)
• seq_hlist_start_head_rcu(9)
• seq_hlist_next_rcu(9)
• seq_hlist_start_percpu(9)
• seq_hlist_next_percpu(9)

mwah 💋 — this cutie is sourced from ./fs, dated October 2026, and that’s the Kernel API Manual wrap 🫶💖