doc_write_data_area(9)
π NAME π
doc_write_data_area β literally just writes data into the data area, bestie, that's the whole gig β¨
Oh and btw, this page lives in the Kernel API Manual β that's the manual name, welcome to the group chat π«Ά
β¨ SYNOPSIS β¨
void doc_write_data_area (struct docg3 *docg3 , const void *buf , int
len );
π ARGUMENTS π
docg3β the device itself, like, the actual thing you're talking to π¦bufβ the buffer we're pulling our input bytes out of, no caplenβ the length to write. how much? this much. periodt π
πΈ DESCRIPTION πΈ
So here's the vibe: it writes bytes into flash data. That's it, that's the function π
The way it also handles the single byte / even bytes writes? Iconic. It's giving "I got you, I'll deal with the awkward sizes so you don't have to" π
π SEE ALSO π
Kernel file ./drivers/mtd/devices/docg3.c β and like, the whole extended friend group:
doc_delay(9)doc_read_data_area(9)doc_set_reliable_mode(9)doc_set_asic_mode(9)doc_set_device_id(9)doc_set_extra_page_mode(9)doc_setup_addr_sector(9)doc_setup_writeaddr_sector(9)doc_read_seek(9)doc_write_seek(9)doc_read_page_ecc_init(9)doc_write_page_ecc_init(9)doc_ecc_disable(9)doc_hamming_ecc_init(9)doc_ecc_bch_fix_data(9)doc_read_page_prepare(9)doc_read_page_getbytes(9)doc_write_page_putbytes(9)doc_get_bch_hw_ecc(9)doc_page_finish(9)doc_read_page_finish(9)calc_block_sector(9)doc_read_oob(9)doc_block_isbad(9)doc_get_erase_count(9)doc_get_op_status(9)doc_write_erase_wait_status(9)doc_erase_block(9)doc_erase(9)doc_write_page(9)doc_guess_autoecc(9)doc_fill_autooob(9)doc_backup_oob(9)doc_write_oob(9)doc_set_driver_info(9)doc_probe_device(9)doc_release_device(9)docg3_resume(9)docg3_suspend(9)docg3_probe(9)docg3_release(9)
Okay that's the whole page, go touch some flash πβ¨
Sign-off era: this came from ./drivers/mtd/devices, dated October 2026, and yeah it's still doc_write_data_area(9) β bye bestie, ily ππ¦
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