From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 19 Feb 2024 03:26:26 +0000
Subject: [PATCH] add r8169 read mac form eeprom
---
kernel/fs/xfs/libxfs/xfs_bmap_btree.c | 91 ++++++++++++++++++++++++---------------------
1 files changed, 48 insertions(+), 43 deletions(-)
diff --git a/kernel/fs/xfs/libxfs/xfs_bmap_btree.c b/kernel/fs/xfs/libxfs/xfs_bmap_btree.c
index cdb74d2..ecec604 100644
--- a/kernel/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/kernel/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -11,10 +11,8 @@
#include "xfs_trans_resv.h"
#include "xfs_bit.h"
#include "xfs_mount.h"
-#include "xfs_defer.h"
#include "xfs_inode.h"
#include "xfs_trans.h"
-#include "xfs_inode_item.h"
#include "xfs_alloc.h"
#include "xfs_btree.h"
#include "xfs_bmap_btree.h"
@@ -22,7 +20,6 @@
#include "xfs_error.h"
#include "xfs_quota.h"
#include "xfs_trace.h"
-#include "xfs_cksum.h"
#include "xfs_rmap.h"
/*
@@ -169,13 +166,13 @@
struct xfs_btree_cur *new;
new = xfs_bmbt_init_cursor(cur->bc_mp, cur->bc_tp,
- cur->bc_private.b.ip, cur->bc_private.b.whichfork);
+ cur->bc_ino.ip, cur->bc_ino.whichfork);
/*
* Copy the firstblock, dfops, and flags values,
* since init cursor doesn't get them.
*/
- new->bc_private.b.flags = cur->bc_private.b.flags;
+ new->bc_ino.flags = cur->bc_ino.flags;
return new;
}
@@ -186,12 +183,12 @@
struct xfs_btree_cur *dst)
{
ASSERT((dst->bc_tp->t_firstblock != NULLFSBLOCK) ||
- (dst->bc_private.b.ip->i_d.di_flags & XFS_DIFLAG_REALTIME));
+ (dst->bc_ino.ip->i_d.di_flags & XFS_DIFLAG_REALTIME));
- dst->bc_private.b.allocated += src->bc_private.b.allocated;
+ dst->bc_ino.allocated += src->bc_ino.allocated;
dst->bc_tp->t_firstblock = src->bc_tp->t_firstblock;
- src->bc_private.b.allocated = 0;
+ src->bc_ino.allocated = 0;
}
STATIC int
@@ -208,8 +205,8 @@
args.tp = cur->bc_tp;
args.mp = cur->bc_mp;
args.fsbno = cur->bc_tp->t_firstblock;
- xfs_rmap_ino_bmbt_owner(&args.oinfo, cur->bc_private.b.ip->i_ino,
- cur->bc_private.b.whichfork);
+ xfs_rmap_ino_bmbt_owner(&args.oinfo, cur->bc_ino.ip->i_ino,
+ cur->bc_ino.whichfork);
if (args.fsbno == NULLFSBLOCK) {
args.fsbno = be64_to_cpu(start->l);
@@ -233,7 +230,7 @@
}
args.minlen = args.maxlen = args.prod = 1;
- args.wasdel = cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL;
+ args.wasdel = cur->bc_ino.flags & XFS_BTCUR_BMBT_WASDEL;
if (!args.wasdel && args.tp->t_blk_res == 0) {
error = -ENOSPC;
goto error0;
@@ -262,10 +259,10 @@
ASSERT(args.len == 1);
cur->bc_tp->t_firstblock = args.fsbno;
- cur->bc_private.b.allocated++;
- cur->bc_private.b.ip->i_d.di_nblocks++;
- xfs_trans_log_inode(args.tp, cur->bc_private.b.ip, XFS_ILOG_CORE);
- xfs_trans_mod_dquot_byino(args.tp, cur->bc_private.b.ip,
+ cur->bc_ino.allocated++;
+ cur->bc_ino.ip->i_d.di_nblocks++;
+ xfs_trans_log_inode(args.tp, cur->bc_ino.ip, XFS_ILOG_CORE);
+ xfs_trans_mod_dquot_byino(args.tp, cur->bc_ino.ip,
XFS_TRANS_DQ_BCOUNT, 1L);
new->l = cpu_to_be64(args.fsbno);
@@ -283,12 +280,12 @@
struct xfs_buf *bp)
{
struct xfs_mount *mp = cur->bc_mp;
- struct xfs_inode *ip = cur->bc_private.b.ip;
+ struct xfs_inode *ip = cur->bc_ino.ip;
struct xfs_trans *tp = cur->bc_tp;
xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp));
struct xfs_owner_info oinfo;
- xfs_rmap_ino_bmbt_owner(&oinfo, ip->i_ino, cur->bc_private.b.whichfork);
+ xfs_rmap_ino_bmbt_owner(&oinfo, ip->i_ino, cur->bc_ino.whichfork);
xfs_bmap_add_free(cur->bc_tp, fsbno, 1, &oinfo);
ip->i_d.di_nblocks--;
@@ -305,8 +302,8 @@
if (level == cur->bc_nlevels - 1) {
struct xfs_ifork *ifp;
- ifp = XFS_IFORK_PTR(cur->bc_private.b.ip,
- cur->bc_private.b.whichfork);
+ ifp = XFS_IFORK_PTR(cur->bc_ino.ip,
+ cur->bc_ino.whichfork);
return xfs_bmbt_maxrecs(cur->bc_mp,
ifp->if_broot_bytes, level == 0) / 2;
@@ -323,8 +320,8 @@
if (level == cur->bc_nlevels - 1) {
struct xfs_ifork *ifp;
- ifp = XFS_IFORK_PTR(cur->bc_private.b.ip,
- cur->bc_private.b.whichfork);
+ ifp = XFS_IFORK_PTR(cur->bc_ino.ip,
+ cur->bc_ino.whichfork);
return xfs_bmbt_maxrecs(cur->bc_mp,
ifp->if_broot_bytes, level == 0);
@@ -350,7 +347,7 @@
{
if (level != cur->bc_nlevels - 1)
return cur->bc_mp->m_bmap_dmxr[level != 0];
- return xfs_bmdr_maxrecs(cur->bc_private.b.forksize, level == 0);
+ return xfs_bmdr_maxrecs(cur->bc_ino.forksize, level == 0);
}
STATIC void
@@ -403,21 +400,35 @@
union xfs_btree_key *k1,
union xfs_btree_key *k2)
{
- return (int64_t)be64_to_cpu(k1->bmbt.br_startoff) -
- be64_to_cpu(k2->bmbt.br_startoff);
+ uint64_t a = be64_to_cpu(k1->bmbt.br_startoff);
+ uint64_t b = be64_to_cpu(k2->bmbt.br_startoff);
+
+ /*
+ * Note: This routine previously casted a and b to int64 and subtracted
+ * them to generate a result. This lead to problems if b was the
+ * "maximum" key value (all ones) being signed incorrectly, hence this
+ * somewhat less efficient version.
+ */
+ if (a > b)
+ return 1;
+ if (b > a)
+ return -1;
+ return 0;
}
static xfs_failaddr_t
xfs_bmbt_verify(
struct xfs_buf *bp)
{
- struct xfs_mount *mp = bp->b_target->bt_mount;
+ struct xfs_mount *mp = bp->b_mount;
struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp);
xfs_failaddr_t fa;
unsigned int level;
- switch (block->bb_magic) {
- case cpu_to_be32(XFS_BMAP_CRC_MAGIC):
+ if (!xfs_verify_magic(bp, block->bb_magic))
+ return __this_address;
+
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
/*
* XXX: need a better way of verifying the owner here. Right now
* just make sure there has been one set.
@@ -425,11 +436,6 @@
fa = xfs_btree_lblock_v5hdr_verify(bp, XFS_RMAP_OWN_UNKNOWN);
if (fa)
return fa;
- /* fall through */
- case cpu_to_be32(XFS_BMAP_MAGIC):
- break;
- default:
- return __this_address;
}
/*
@@ -481,6 +487,8 @@
const struct xfs_buf_ops xfs_bmbt_buf_ops = {
.name = "xfs_bmbt",
+ .magic = { cpu_to_be32(XFS_BMAP_MAGIC),
+ cpu_to_be32(XFS_BMAP_CRC_MAGIC) },
.verify_read = xfs_bmbt_read_verify,
.verify_write = xfs_bmbt_write_verify,
.verify_struct = xfs_bmbt_verify,
@@ -544,7 +552,7 @@
struct xfs_btree_cur *cur;
ASSERT(whichfork != XFS_COW_FORK);
- cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_NOFS);
+ cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
cur->bc_tp = tp;
cur->bc_mp = mp;
@@ -558,11 +566,11 @@
if (xfs_sb_version_hascrc(&mp->m_sb))
cur->bc_flags |= XFS_BTREE_CRC_BLOCKS;
- cur->bc_private.b.forksize = XFS_IFORK_SIZE(ip, whichfork);
- cur->bc_private.b.ip = ip;
- cur->bc_private.b.allocated = 0;
- cur->bc_private.b.flags = 0;
- cur->bc_private.b.whichfork = whichfork;
+ cur->bc_ino.forksize = XFS_IFORK_SIZE(ip, whichfork);
+ cur->bc_ino.ip = ip;
+ cur->bc_ino.allocated = 0;
+ cur->bc_ino.flags = 0;
+ cur->bc_ino.whichfork = whichfork;
return cur;
}
@@ -628,15 +636,12 @@
ASSERT(tp || buffer_list);
ASSERT(!(tp && buffer_list));
- if (whichfork == XFS_DATA_FORK)
- ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_BTREE);
- else
- ASSERT(ip->i_d.di_aformat == XFS_DINODE_FMT_BTREE);
+ ASSERT(XFS_IFORK_PTR(ip, whichfork)->if_format == XFS_DINODE_FMT_BTREE);
cur = xfs_bmbt_init_cursor(ip->i_mount, tp, ip, whichfork);
if (!cur)
return -ENOMEM;
- cur->bc_private.b.flags |= XFS_BTCUR_BPRV_INVALID_OWNER;
+ cur->bc_ino.flags |= XFS_BTCUR_BMBT_INVALID_OWNER;
error = xfs_btree_change_owner(cur, new_owner, buffer_list);
xfs_btree_del_cursor(cur, error);
--
Gitblit v1.6.2