lookup_file(9)

💅 NAME 💅

okay so bestie, this is the Kernel API Manual entry for lookup_file — it's literally the function that looks up a file in the tracefs filesystem. slay. 💖

✨ SYNOPSIS ✨

struct dentry * lookup_file (struct eventfs_inode *parent_ei , struct dentry *dentry , umode_t mode , struct eventfs_attr *attr , void *data , const struct file_operations *fop );

🎀 ARGUMENTS 🎀

• parent_ei — pointer to the eventfs_inode that represents parent of the file. 👑
• dentry — the dentry to look up. 🔍
• mode — the permission that the file should have. 🔐
• attr — saved attributes changed by user. 🫶
• data — something that the caller will want to get to later on. 💾
• fop — struct file_operations that should be used for this file. 🛠️

🌸 DESCRIPTION 🌸

so this function creates a dentry that represents a file in the eventsfs_inode directory. iconic. ✨ The inode.i_private pointer will point to data in the open call. periodt. 💅

🦋 SEE ALSO 🦋

Kernel file ./fs/tracefs/event_inode.c, plus these related besties: lookup_dir_entry(9), eventfs_d_release(9), lookup_file_dentry(9), eventfs_root_lookup(9), eventfs_create_dir(9), eventfs_create_events_dir(9), eventfs_remove_rec(9), eventfs_remove_dir(9), eventfs_remove_events_dir(9). 🌈

k bye bestie 💖 source/version: ./fs/tracefs; date: October 2026; page: lookup_file(9). 🎀