hmcdrv_cache_get(9)

hmcdrv_cache_get(9) — Kernel API Manual 💅

okay so bestie, welcome to the Kernel API Manual page for hmcdrv_cache_get(9) ✨ this one is literally all about looking for file data/content in the read cache. no cap. 🦋

💖 NAME 💖

hmcdrv_cache_get — looks for file data/content in read cache 🎀

🌸 SYNOPSIS 🌸

ssize_t hmcdrv_cache_get (const struct hmcdrv_ftp_cmdspec *ftp );

🎀 ARGUMENTS 🎀

• ftp — pointer to FTP command specification. yes bestie, it’s a pointer, and it points at the FTP command spec 🫶

⭐ RETURN ⭐

number of bytes read from cache — slay, that’s your byte count. or a negative number if there’s nothing in content cache (for the file/cmd specified in ftp). so if you get a negative, it’s giving “nothing here, bestie” 😭

🔥 SEE ALSO 🔥

• Kernel file ./drivers/s390/char/hmcdrv_cache.c
• struct hmcdrv_cache_entry(9)
• hmcdrv_cache_do(9)
• hmcdrv_cache_cmd(9)
• hmcdrv_cache_startup(9)
• hmcdrv_cache_shutdown(9)

lowkey important: this is the whole SEE ALSO squad from the original page, iykyk 💜

and that’s the page, bestie 🎀 catch you in the Kernel API Manual — this one comes from ./drivers/s390/char and it’s dated October 2026 ✨💅