From a5969cabbb4660eab42b6ef0412cbbd1200cf14d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 12 Oct 2024 07:10:09 +0000
Subject: [PATCH] 修改led为gpio
---
kernel/fs/xfs/xfs_pnfs.c | 73 ++++++++++++++++--------------------
1 files changed, 32 insertions(+), 41 deletions(-)
diff --git a/kernel/fs/xfs/xfs_pnfs.c b/kernel/fs/xfs/xfs_pnfs.c
index 1c9bced..053b999 100644
--- a/kernel/fs/xfs/xfs_pnfs.c
+++ b/kernel/fs/xfs/xfs_pnfs.c
@@ -2,22 +2,16 @@
/*
* Copyright (c) 2014 Christoph Hellwig.
*/
-#include <linux/iomap.h>
#include "xfs.h"
+#include "xfs_shared.h"
#include "xfs_format.h"
#include "xfs_log_format.h"
#include "xfs_trans_resv.h"
-#include "xfs_sb.h"
#include "xfs_mount.h"
#include "xfs_inode.h"
#include "xfs_trans.h"
-#include "xfs_log.h"
#include "xfs_bmap.h"
-#include "xfs_bmap_util.h"
-#include "xfs_error.h"
#include "xfs_iomap.h"
-#include "xfs_shared.h"
-#include "xfs_bit.h"
#include "xfs_pnfs.h"
/*
@@ -39,7 +33,7 @@
struct xfs_inode *ip = XFS_I(inode);
int error;
- while ((error = break_layout(inode, false) == -EWOULDBLOCK)) {
+ while ((error = break_layout(inode, false)) == -EWOULDBLOCK) {
xfs_iunlock(ip, *iolock);
*did_unlock = true;
error = break_layout(inode, true);
@@ -64,9 +58,8 @@
{
struct xfs_mount *mp = XFS_M(sb);
- printk_once(KERN_NOTICE
-"XFS (%s): using experimental pNFS feature, use at your own risk!\n",
- mp->m_fsname);
+ xfs_notice_once(mp,
+"Using experimental pNFS feature, use at your own risk!");
if (*len < sizeof(uuid_t))
return -EINVAL;
@@ -149,43 +142,40 @@
lock_flags = xfs_ilock_data_map_shared(ip);
error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb,
&imap, &nimaps, bmapi_flags);
- xfs_iunlock(ip, lock_flags);
- if (error)
- goto out_unlock;
+ ASSERT(!nimaps || imap.br_startblock != DELAYSTARTBLOCK);
- if (write) {
- enum xfs_prealloc_flags flags = 0;
+ if (!error && write &&
+ (!nimaps || imap.br_startblock == HOLESTARTBLOCK)) {
+ if (offset + length > XFS_ISIZE(ip))
+ end_fsb = xfs_iomap_eof_align_last_fsb(ip, end_fsb);
+ else if (nimaps && imap.br_startblock == HOLESTARTBLOCK)
+ end_fsb = min(end_fsb, imap.br_startoff +
+ imap.br_blockcount);
+ xfs_iunlock(ip, lock_flags);
- ASSERT(imap.br_startblock != DELAYSTARTBLOCK);
-
- if (!nimaps || imap.br_startblock == HOLESTARTBLOCK) {
- /*
- * xfs_iomap_write_direct() expects to take ownership of
- * the shared ilock.
- */
- xfs_ilock(ip, XFS_ILOCK_SHARED);
- error = xfs_iomap_write_direct(ip, offset, length,
- &imap, nimaps);
- if (error)
- goto out_unlock;
-
- /*
- * Ensure the next transaction is committed
- * synchronously so that the blocks allocated and
- * handed out to the client are guaranteed to be
- * present even after a server crash.
- */
- flags |= XFS_PREALLOC_SET | XFS_PREALLOC_SYNC;
- }
-
- error = xfs_update_prealloc_flags(ip, flags);
+ error = xfs_iomap_write_direct(ip, offset_fsb,
+ end_fsb - offset_fsb, &imap);
if (error)
goto out_unlock;
+
+ /*
+ * Ensure the next transaction is committed synchronously so
+ * that the blocks allocated and handed out to the client are
+ * guaranteed to be present even after a server crash.
+ */
+ error = xfs_update_prealloc_flags(ip, XFS_PREALLOC_SET);
+ if (!error)
+ error = xfs_log_force_inode(ip);
+ if (error)
+ goto out_unlock;
+
+ } else {
+ xfs_iunlock(ip, lock_flags);
}
xfs_iunlock(ip, XFS_IOLOCK_EXCL);
- xfs_bmbt_to_iomap(ip, iomap, &imap);
+ error = xfs_bmbt_to_iomap(ip, iomap, &imap, 0);
*device_generation = mp->m_generation;
return error;
out_unlock:
@@ -295,7 +285,8 @@
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
- xfs_setattr_time(ip, iattr);
+ ASSERT(!(iattr->ia_valid & (ATTR_UID | ATTR_GID)));
+ setattr_copy(inode, iattr);
if (update_isize) {
i_size_write(inode, iattr->ia_size);
ip->i_d.di_size = iattr->ia_size;
--
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