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21e46a79bb
David reported that the new warning from setattr_copy_mgtime is coming like the following. [ 113.215316] ------------[ cut here ]------------ [ 113.215974] WARNING: CPU: 1 PID: 31 at fs/attr.c:300 setattr_copy+0x1ee/0x200 [ 113.219192] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:1 Not tainted 6.13.0-rc1+ #234 [ 113.220127] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014 [ 113.221530] Workqueue: ksmbd-io handle_ksmbd_work [ksmbd] [ 113.222220] RIP: 0010:setattr_copy+0x1ee/0x200 [ 113.222833] Code: 24 28 49 8b 44 24 30 48 89 53 58 89 43 6c 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 89 df e8 77 d6 ff ff e9 cd fe ff ff <0f> 0b e9 be fe ff ff 66 0 [ 113.225110] RSP: 0018:ffffaf218010fb68 EFLAGS: 00010202 [ 113.225765] RAX: 0000000000000120 RBX: ffffa446815f8568 RCX: 0000000000000003 [ 113.226667] RDX: ffffaf218010fd38 RSI: ffffa446815f8568 RDI: ffffffff94eb03a0 [ 113.227531] RBP: ffffaf218010fb90 R08: 0000001a251e217d R09: 00000000675259fa [ 113.228426] R10: 0000000002ba8a6d R11: ffffa4468196c7a8 R12: ffffaf218010fd38 [ 113.229304] R13: 0000000000000120 R14: ffffffff94eb03a0 R15: 0000000000000000 [ 113.230210] FS: 0000000000000000(0000) GS:ffffa44739d00000(0000) knlGS:0000000000000000 [ 113.231215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.232055] CR2: 00007efe0053d27e CR3: 000000000331a000 CR4: 00000000000006b0 [ 113.232926] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 113.233812] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 113.234797] Call Trace: [ 113.235116] <TASK> [ 113.235393] ? __warn+0x73/0xd0 [ 113.235802] ? setattr_copy+0x1ee/0x200 [ 113.236299] ? report_bug+0xf3/0x1e0 [ 113.236757] ? handle_bug+0x4d/0x90 [ 113.237202] ? exc_invalid_op+0x13/0x60 [ 113.237689] ? asm_exc_invalid_op+0x16/0x20 [ 113.238185] ? setattr_copy+0x1ee/0x200 [ 113.238692] btrfs_setattr+0x80/0x820 [btrfs] [ 113.239285] ? get_stack_info_noinstr+0x12/0xf0 [ 113.239857] ? __module_address+0x22/0xa0 [ 113.240368] ? handle_ksmbd_work+0x6e/0x460 [ksmbd] [ 113.240993] ? __module_text_address+0x9/0x50 [ 113.241545] ? __module_address+0x22/0xa0 [ 113.242033] ? unwind_next_frame+0x10e/0x920 [ 113.242600] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 113.243268] notify_change+0x2c2/0x4e0 [ 113.243746] ? stack_depot_save_flags+0x27/0x730 [ 113.244339] ? set_file_basic_info+0x130/0x2b0 [ksmbd] [ 113.244993] set_file_basic_info+0x130/0x2b0 [ksmbd] [ 113.245613] ? process_scheduled_works+0xbe/0x310 [ 113.246181] ? worker_thread+0x100/0x240 [ 113.246696] ? kthread+0xc8/0x100 [ 113.247126] ? ret_from_fork+0x2b/0x40 [ 113.247606] ? ret_from_fork_asm+0x1a/0x30 [ 113.248132] smb2_set_info+0x63f/0xa70 [ksmbd] ksmbd is trying to set the atime and mtime via notify_change without also setting the ctime. so This patch add ATTR_CTIME flags when setting mtime to avoid a warning. Reported-by: David Disseldorp <ddiss@suse.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.