smb_break_all_write_oplock(9)

okay bestie, welcome to the smb_break_all_write_oplock(9) page from the Kernel API Manual 💖✨ this one is short and sweet, but every detail is staying. no cap.

✨ NAME ✨

smb_break_all_write_oplock — break batch/exclusive oplock to level2 💅

Like, that's the whole official mission statement, and it ate. The function is smb_break_all_write_oplock, and it's giving "break batch/exclusive oplock to level2" energy. periodt.

🎀 SYNOPSIS 🎀

bool smb_break_all_write_oplock (struct ksmbd_work *work , struct ksmbd_file *fp , int is_trunc );

Okay so the signature is literally right there, bestie — return type bool, and the args are work, fp, and is_trunc. Copy it exactly, don't be cute with the commas. 🌸

💅 ARGUMENTS 💅

• work — smb work. That's the whole note, fr fr.
• fp — ksmbd file pointer. Iconic pointer behavior.
• is_trunc — truncate on open. Lowkey important, highkey just three words.

🌈 SEE ALSO 🌈

Go read these too, iykyk — and yes, every single one is invited to the group chat 🫶:

• Kernel file ./fs/smb/server/oplock.c
• alloc_opinfo(9)
• opinfo_write_to_read(9)
• opinfo_read_handle_to_read(9)
• opinfo_write_to_none(9)
• opinfo_read_to_none(9)
• lease_read_to_write(9)
• lease_none_upgrade(9)
• close_id_del_oplock(9)
• grant_write_oplock(9)
• grant_read_oplock(9)
• grant_none_oplock(9)
• same_client_has_lease(9)
• __smb2_oplock_break_noti(9)
• smb2_oplock_break_noti(9)
• __smb2_lease_break_noti(9)
• smb2_lease_break_noti(9)
• smb_grant_oplock(9)
• __smb_break_all_levII_oplock(9)
• smb_break_all_oplock(9)
• smb2_map_lease_to_oplock(9)
• create_lease_buf(9)
• parse_lease_state(9)
• smb2_find_context_vals(9)
• create_durable_rsp_buf(9)
• create_durable_v2_rsp_buf(9)
• create_mxac_rsp_buf(9)
• create_posix_rsp_buf(9)
• create_aapl_rsp_buf(9)
• lookup_lease_in_table(9)

xoxo 💖 — source/version vibes: ./fs/smb/server, dated October 2026, for smb_break_all_write_oplock(9). periodt ✨