anon_inode_getfile_fmode(9)

💅 anon_inode_getfile_fmode(9) ✨

okay so bestie, welcome to the Kernel API Manual — this one's called anon_inode_getfile_fmode, and it's genuinely the moment you've been waiting for 🎀

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🌸 NAME 🌸

anon_inode_getfile_fmode — creates a new file instance by hooking it up to an anonymous inode, plus a dentry that describes the "class" of the file. like, that's the whole vibe. no cap 🫶

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✨ SYNOPSIS ✨

struct file * anon_inode_getfile_fmode (const char *name , const struct
file_operations *fops , void *priv , int flags , fmode_t f_mode );

she takes five things and gives you back a struct file *, iconic behavior honestly 👑

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🦋 ARGUMENTS 🦋

• name — [in] the name of the "class" of the new file. it's giving nameplate energy 💅
• fops — [in] the file operations for the new file. this is where the file gets its whole personality ⭐
• priv — [in] private data for the new file — heads up, this will be the file's private_data 🔥
• flags — [in] the flags. yes. those flags. 🙈
• f_mode — [in] the fmode. that's it, that's the description, we're literally keeping it 💀

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💖 DESCRIPTION 💖

so what she actually does: she creates a new file by hooking it onto a single inode 🧚

that's lowkey the whole point — it's useful for files that do not need to have a full-fledged inode in order to operate correctly. like, why build a whole mansion when a cute little studio apartment does the job?? ✨

all the files created with anon_inode_getfile share a single inode, which means you're saving memory and avoiding code duplication for the file/inode/dentry setup. slay, efficiency queen 💜

and because this is the _fmode variant, it also allows setting the fmode — that's the special little extra she brings to the function 🎀

she returns the newly created file* — or an error pointer, if the vibe check fails 😭

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🌈 SEE ALSO 🌈

• Kernel file ./fs/anon_inodes.c 📁
• anon_inode_make_secure_inode(9)
• anon_inode_getfile(9)
• anon_inode_create_getfile(9)
• anon_inode_getfd(9)
• anon_inode_create_getfd(9)

like a little friend group of anon inode functions, obsessed honestly 🫶

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ok that's the whole page bestie, go forth and hook files up to anonymous inodes responsibly 💅✨

mwah 💖 this little dispatch came to you from ./fs, October 2026, Kernel API Manual edition — catch you in the next manpage, ily, bye 🎀🦋