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Date: Sat, 9 Sep 2006 22:01:05 -0600 From: "Eric W. Biederman" <ebiederm@...ssion.com> To: Andrew Morton <akpm@...l.org> Cc: <linux-kernel@...r.kernel.org>, Jan Engelhardt <jengelh@...ux01.gwdg.de>, "Eric W. Biederman" <ebiederm@...ssion.com> Subject: [PATCH 4/4] proc: Comment what proc_fill_cache does. Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com> --- fs/proc/base.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) diff --git a/fs/proc/base.c b/fs/proc/base.c index 433a01d..a317eb2 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1057,6 +1057,18 @@ static struct dentry_operations pid_dent 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) -- 1.4.2.rc3.g7e18e-dirty - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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