smb_grant_oplock(9)

💅 smb_grant_oplock(9) 💅

okay so bestie, this page is from the Kernel API Manual and it's giving kernel internals but make it cute. no cap, we're keeping every detail, and lowkey obsessed with how tidy it is. slay, let's get into it. 🫶

🌸 NAME 🌸

smb_grant_oplock — handle oplock/lease request on file open ✨

🎀 SYNOPSIS 🎀

       int smb_grant_oplock (struct ksmbd_work *work , int req_op_level , u64
       pid , struct ksmbd_file *fp , __u16 tid , struct lease_ctx_info *lctx ,
       int share_ret , bool replay );

💖 ARGUMENTS 💖

the whole lineup, bestie:

• work — smb work.
• req_op_level — oplock level.
• pid — id of open file.
• fp — ksmbd file pointer.
• tid — Tree id of connection.
• lctx — lease context information on file open.
• share_ret — share mode.
• replay — whether this is a replayed CREATE request.

🔥 RETURN 🔥

0 on success, otherwise error 😭. periodt.

🦋 SEE ALSO 🦋

Kernel file ./fs/smb/server/oplock.c — the whole group chat is here, iykyk:

• 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_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)

mwah 💋 — sign-off time: source/version is ./fs/smb/server, date is October 2026, and the page is still smb_grant_oplock(9). byeee 🫶✨