smb2_oplock_break_noti(9)

💅 smb2_oplock_break_noti 💅

okay so bestie, welcome to the smb2_oplock_break_noti(9) page — it lives in the Kernel API Manual and it's literally the function that sends the smb2 exclusive/batch-to-level2 oplock break command, from the server over to the client. iykyk 🦋

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✨ NAME ✨

smb2_oplock_break_noti — send the smb2 exclusive/batch to level2 oplock break command from the server to the client, no cap 💅

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🌸 SYNOPSIS 🌸

int smb2_oplock_break_noti (struct oplock_info *opinfo , struct
ksmbd_inode *ci );

like, that's the whole signature, she's not complicated 🎀

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💖 ARGUMENTS 💖

• opinfo — the oplock info object. that's the main character right there 👑
• ci — the inode that owns the break target's oplock list, and it's pinned by the caller bestie, so don't go freeing it on her 🙈

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🫶 RETURN 🫶

0 on success — slay ✨ — otherwise you get an error 😭

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🔥 SEE ALSO 🔥

the kernel file ./fs/smb/server/oplock.c is where all the lore lives, and honestly the whole friend group shows up here:

• 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_lease_break_noti(9)
• smb2_lease_break_noti(9)
• smb_grant_oplock(9)
• smb_break_all_write_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)

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ngl the whole oplock family is a lot, but you got this bestie, one break notification at a time 💜

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k so that's the page!! this one's from ./fs/smb/server, dated October 2026, and it's giving very much "kernel API manual" energy 🌈 mwah, go read the whole oplock.c bestie, ily 🎀💖