v9fs_vfs_create(9)

💅 v9fs_vfs_create(9) — Kernel API Manual 💅

Okay bestie, welcome to the Kernel API Manual corner. Today's main character is v9fs_vfs_create(9), and yes she's literally the VFS hook for creating a regular file. Vibe check: passed. ✨

🎀 NAME 🎀

v9fs_vfs_create — VFS hook to create a regular file. That's the assignment, and she ate. Slay. 💖

⭐ SYNOPSIS ⭐

int v9fs_vfs_create (struct mnt_idmap *idmap , struct inode *dir ,
       struct dentry *dentry , umode_t mode );

🫶 ARGUMENTS 🫶

• idmap — the idmap of the mount. Literally the mount's idmap, no cap.
• dir — the parent directory. The folder holding the situation. Iconic.
• dentry — the name of file to be created. This is the name in question, fr fr.
• mode — the UNIX file mode to set. Permissions energy.

🌸 DESCRIPTION 🌸

Okay so real talk: open(.., O_CREAT) is handled in v9fs_vfs_atomic_open. Do not come for v9fs_vfs_create for that, bestie — that's a different function's moment. This one is only called for mknod(2). Periodt. 💅

🦋 SEE ALSO 🦋

Kernel file ./fs/9p/vfs_inode.c is where the source lives, and here's the whole friend group, iykyk:

• unixmode2p9mode(9)
• p9mode2perm(9)
• p9mode2unixmode(9)
• v9fs_uflags2omode(9)
• v9fs_blank_wstat(9)
• v9fs_alloc_inode(9)
• v9fs_free_inode(9)
• v9fs_evict_inode(9)
• v9fs_at_to_dotl_flags(9)
• v9fs_dec_count(9)
• v9fs_remove(9)
• v9fs_create(9)
• v9fs_vfs_mkdir(9)
• v9fs_vfs_lookup(9)
• v9fs_vfs_unlink(9)
• v9fs_vfs_rmdir(9)
• v9fs_vfs_rename(9)
• v9fs_vfs_getattr(9)
• v9fs_vfs_setattr(9)
• v9fs_stat2inode(9)
• v9fs_vfs_get_link(9)
• v9fs_vfs_mkspecial(9)
• v9fs_vfs_symlink(9)
• v9fs_vfs_link(9)
• v9fs_vfs_mknod(9)

Source/version: ./fs/9p and v9fs_vfs_create(9); date: October 2026. Bye bestie, mwah 💋