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 <ebiederm@xmission.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 5e61feaf

fs/proc/base.c

+12 −0
Original line number Diff line number Diff line
@@ -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)