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No file system I know of reports directory sizes that are multiples of

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sizeof(struct dirent) except by accident. So, sync with reality. Brought
to my attention by Taylor R Campbell in chat.
This commit is contained in:
dholland 2010-11-25 20:53:23 +00:00
parent 6b71288c49
commit 6e4e77d46e
1 changed files with 8 additions and 7 deletions
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15
lib/libc/sys/stat.2
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@ -1,4 +1,4 @@
.\" $NetBSD: stat.2,v 1.46 2010/06/04 05:42:24 jruoho Exp $
.\" $NetBSD: stat.2,v 1.47 2010/11/25 20:53:23 dholland Exp $
.\"
.\" Copyright (c) 1980, 1991, 1993, 1994
.\" The Regents of the University of California. All rights reserved.
@ -29,7 +29,7 @@
.\"
.\" @(#)stat.2 8.4 (Berkeley) 5/1/95
.\"
.Dd June 4, 2010
.Dd November 25, 2010
.Dt STAT 2
.Os
.Sh NAME
@ -152,11 +152,12 @@ are as follows:
.Bl -tag -width st_blksize -offset indent
.It Va st_size
The size of the file in bytes.
A directory will be a multiple of the size of the
.Xr dirent 3
structure.
Some file systems (notably ZFS) return the number of entries in the directory
instead of the size in bytes.
The meaning of the size reported for a directory is file system
dependent.
Some file systems (e.g. FFS) return the total size used for the
directory metadata, possibly including free slots; others (notably
ZFS) return the number of entries in the directory.
Some may also return other things or always report zero.
.It Va st_blksize
The optimal I/O block size for the file.
.It Va st_blocks