diff options
Diffstat (limited to 'fs/proc/base.c')
| -rw-r--r-- | 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 433a01d2e992..a317eb2c4442 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -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) |