ubifs_wbuf_seek_nolock(9)
π ubifs_wbuf_seek_nolock(9) β like, the write-buffer seek one β¨
okay bestie so we're in the kernel API manual today, the ubifs_wbuf_seek_nolock(9) page specifically, and honestly? it's a whole little glow-up for your write-buffer. let's get into it π
β¨ NAME β¨
ubifs_wbuf_seek_nolock β seek write-buffer. that's it, that's the vibe. it moves the write-buffer to where it needs to be, no cap π
πΈ SYNOPSIS πΈ
int ubifs_wbuf_seek_nolock (struct ubifs_wbuf *wbuf , int lnum , int
offs );
yes it returns an int, yes it's got three args, yes the line wrap is doing its own thing, we don't judge π«Ά
π¦ ARGUMENTS π¦
wbufβ the write-buffer itself, our main character πlnumβ the logical eraseblock number we're seeking to. like the address but make it logical β¨offsβ the logical eraseblock offset we're seeking to. the little pinch of precision π
π DESCRIPTION π
so what this function does is target the write-buffer at logical eraseblock lnum:offs β that's the exact spot, together, lnum colon offs, iconic formatting ngl π
π¨ important bestie: the write-buffer has to be empty. not "kinda empty", not "empty-ish". empty. this is not a drill, check your buffer first fr fr π
it returns zero in case of success, and a negative error code in case of failure. so like, 0 = slay, anything negative = not slay, go handle it π
π SEE ALSO π
okay this is the part where the friend group shows up and it's a big friend group, so buckle up bestie π
kernel file ./fs/ubifs/io.c, plus like everyone:
ubifs_ro_mode(9)ubifs_check_node(9)ubifs_pad(9)next_sqnum(9)ubifs_prepare_node_hmac(9)ubifs_prepare_node(9)ubifs_prep_grp_node(9)wbuf_timer_callback_nolock(9)new_wbuf_timer_nolock(9)cancel_wbuf_timer_nolock(9)ubifs_wbuf_sync_nolock(9)ubifs_bg_wbufs_sync(9)ubifs_wbuf_write_nolock(9)ubifs_write_node_hmac(9)ubifs_write_node(9)ubifs_read_node_wbuf(9)ubifs_read_node(9)ubifs_wbuf_init(9)ubifs_wbuf_add_ino_nolock(9)wbuf_has_ino(9)ubifs_sync_wbufs_by_inode(9)
the whole squad, every single one of them, no gatekeeping π
π§ cute little sign-off: this page came to you straight out of ./fs/ubifs, dated October 2026 β so go forth, seek that write-buffer, keep it empty, and remember: zero is the success code and it's giving main character energy π
β¨
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms