Commit 1c0d04c9 authored by Eric W. Biederman's avatar Eric W. Biederman Committed by Linus Torvalds
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[PATCH] proc: comment what proc_fill_cache does

Signed-off-by: default avatarEric W. Biederman <>
Cc: Oleg Nesterov <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 5e61feaf
......@@ -1057,6 +1057,18 @@ static struct dentry_operations pid_dentry_operations =
typedef struct dentry *instantiate_t(struct inode *, struct dentry *, struct task_struct *, void *);
* Fill a directory entry.
* If possible create the dcache entry and derive our inode number and
* file type from dcache entry.
* Since all of the proc inode numbers are dynamically generated, the inode
* numbers do not exist until the inode is cache. This means creating the
* the dcache entry in readdir is necessary to keep the inode numbers
* reported by readdir in sync with the inode numbers reported
* by stat.
static int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
char *name, int len,
instantiate_t instantiate, struct task_struct *task, void *ptr)
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