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Illumos #3742

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3742 zfs comments need cleaner, more consistent style
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Approved by: Christopher Siden <christopher.siden@delphix.com>

References:
  https://www.illumos.org/issues/3742
  illumos/illumos-gate@f717074149

Ported-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1775

Porting notes:

1. The change to zfs_vfsops.c was dropped because it involves
   zfs_mount_label_policy, which does not exist in the Linux port.
This commit is contained in:
Will Andrews
2013-06-11 09:12:34 -08:00
committed by Brian Behlendorf
parent e49f1e20a0
commit d3cc8b152e
37 changed files with 183 additions and 202 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/sa_impl.h
+18 -19
View File
@@ -150,6 +150,7 @@ struct sa_os {
/*
* header for all bonus and spill buffers.
*
* The header has a fixed portion with a variable number
* of "lengths" depending on the number of variable sized
* attribues which are determined by the "layout number"
@@ -158,29 +159,27 @@ struct sa_os {
#define SA_MAGIC 0x2F505A /* ZFS SA */
typedef struct sa_hdr_phys {
uint32_t sa_magic;
uint16_t sa_layout_info; /* Encoded with hdrsize and layout number */
/*
* Encoded with hdrsize and layout number as follows:
* 16 10 0
* +--------+-------+
* | hdrsz |layout |
* +--------+-------+
*
* Bits 0-10 are the layout number
* Bits 11-16 are the size of the header.
* The hdrsize is the number * 8
*
* For example.
* hdrsz of 1 ==> 8 byte header
* 2 ==> 16 byte header
*
*/
uint16_t sa_layout_info;
uint16_t sa_lengths[1]; /* optional sizes for variable length attrs */
/* ... Data follows the lengths. */
} sa_hdr_phys_t;
/*
* sa_hdr_phys -> sa_layout_info
*
* 16 10 0
* +--------+-------+
* | hdrsz |layout |
* +--------+-------+
*
* Bits 0-10 are the layout number
* Bits 11-16 are the size of the header.
* The hdrsize is the number * 8
*
* For example.
* hdrsz of 1 ==> 8 byte header
* 2 ==> 16 byte header
*
*/
#define SA_HDR_LAYOUT_NUM(hdr) BF32_GET(hdr->sa_layout_info, 0, 10)
#define SA_HDR_SIZE(hdr) BF32_GET_SB(hdr->sa_layout_info, 10, 6, 3, 0)
#define SA_HDR_LAYOUT_INFO_ENCODE(x, num, size) \