代码拉取完成，页面将自动刷新
复现方法：
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index d3a97a028560..a284555aafa8 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -389,6 +389,7 @@ xfsaild_resubmit_item(
return XFS_ITEM_SUCCESS;
}
+#include <linux/delay.h>
static inline uint
xfsaild_push_item(
struct xfs_ail *ailp,
@@ -398,6 +399,10 @@ xfsaild_push_item(
* If log item pinning is enabled, skip the push and track the item as
* pinned. This can help induce head-behind-tail conditions.
*/
+ mdelay(10000);
+ printk(KERN_ERR "sleep 10s");
+ return XFS_ITEM_LOCKED;
+
if (XFS_TEST_ERROR(false, ailp->ail_log->l_mp, XFS_ERRTAG_LOG_ITEM_PIN))
return XFS_ITEM_PINNED;
#!/bin/bash
mkfs.xfs -f -d size=104857600 /dev/sda
mount /dev/sda /root/temp
xfs_growfs /dev/sda
dd if=/dev/urandom of=/root/temp/file bs=1M count=200 && sync
[ 44.606658] XFS (sda): xfs_buf_find: daddr 0x32001 out of range, EOFS 0x32000
[ 44.610046] ------------[ cut here ]------------
[ 44.611960] WARNING: CPU: 2 PID: 2565 at fs/xfs/xfs_buf.c:615 xfs_buf_find+0x936/0xaa0
[ 44.615111] Modules linked in:
[ 44.616134] CPU: 2 PID: 2565 Comm: mount Not tainted 5.10.0-02418-ga52c04ae41fc-dirty #34
[ 44.618596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.1-2.fc37 04/01/2014
[ 44.621248] RIP: 0010:xfs_buf_find+0x936/0xaa0
[ 44.622633] Code: c9 fc ff ff 48 83 05 38 96 c1 0c 01 48 89 c1 48 c7 c2 f0 4e 89 82 48 c7 c6 d8 b1 e6 82 e8 1c 0b 9a 00 48 83 05 2a 96 f
[ 44.627537] RSP: 0018:ffffc900003e3888 EFLAGS: 00010202
[ 44.628733] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000007fffffff
[ 44.630362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff82e2708c
[ 44.631991] RBP: ffff88811199f500 R08: 0000000000001872 R09: 0000000000000000
[ 44.633590] R10: 000000000000000a R11: 000000000000000a R12: ffffc900003e3900
[ 44.635208] R13: ffffc900003e3958 R14: ffffc900003e39c8 R15: 0000000000000001
[ 44.636502] FS: 00007fd4d1982400(0000) GS:ffff88842fd00000(0000) knlGS:0000000000000000
[ 44.637906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 44.638928] CR2: 000055a01673e788 CR3: 000000011cd52000 CR4: 00000000000006e0
[ 44.640241] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 44.641480] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 44.642721] Call Trace:
[ 44.643191] xfs_buf_get_map+0x4b/0x390
[ 44.643897] xfs_buf_read_map+0x5a/0x360
[ 44.644622] ? xfs_buf_readahead_map+0x47/0x80
[ 44.645388] xfs_buf_readahead_map+0x6d/0x80
[ 44.646146] ? xfs_buf_readahead_map+0x47/0x80
[ 44.646953] xlog_buf_readahead+0x89/0xa0
[ 44.647680] xlog_recover_buf_ra_pass2+0x23/0x30
[ 44.648541] xlog_recover_commit_trans+0x158/0x4a0
[ 44.649412] xlog_recovery_process_trans+0xdb/0x140
[ 44.650312] xlog_recover_process_ophdr+0x9c/0x1a0
[ 44.651147] xlog_recover_process_data+0xce/0x200
[ 44.652016] xlog_recover_process+0x106/0x190
[ 44.652821] xlog_do_recovery_pass+0x453/0xac0
[ 44.653633] ? stack_trace_save+0x53/0x80
[ 44.654376] xlog_do_log_recovery+0xa7/0x100
[ 44.655129] xlog_do_recover+0x4c/0x2f0
[ 44.655830] xlog_recover+0x100/0x230
[ 44.656528] xfs_log_mount+0x375/0x460
[ 44.657192] xfs_mountfs+0x645/0xcc0
[ 44.657844] ? xfs_filestream_pick_ag+0x610/0x610
[ 44.658688] ? xfs_mru_cache_create+0x176/0x200
[ 44.659503] xfs_fc_fill_super+0x707/0xbc0
[ 44.660267] ? xfs_open_devices+0x3a0/0x3a0
[ 44.661011] get_tree_bdev+0x1d2/0x370
[ 44.661691] xfs_fc_get_tree+0x19/0x30
[ 44.662383] vfs_get_tree+0x22/0xe0
[ 44.663002] path_mount+0xb16/0xed0
[ 44.663639] do_mount+0x8d/0xc0
[ 44.664270] __se_sys_mount+0x163/0x270
[ 44.664942] __x64_sys_mount+0x29/0x40
[ 44.665620] do_syscall_64+0x45/0x70
[ 44.666302] entry_SYSCALL_64_after_hwframe+0x61/0xc6
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你好，复现方法中 合入diff重编内核的目的是什么呢？ 如果不加diff合入复现吗？
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