Re: [PATCH 2/2] e2fsck: add sync error handle to e2fsck.

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Thank you for your advice. I will modify patches.
 - bin.

On 2023/3/26 1:13, Darrick J. Wong wrote:
On Sat, Mar 25, 2023 at 02:56:52PM +0800, zhanchengbin wrote:
If fsync fails during fsck, it is silent and users will not perceive it, so
a function to handle fsync failure should be added to fsck.

Signed-off-by: zhanchengbin <zhanchengbin1@xxxxxxxxxx>
---
  e2fsck/ehandler.c | 24 ++++++++++++++++++++++++
  1 file changed, 24 insertions(+)

diff --git a/e2fsck/ehandler.c b/e2fsck/ehandler.c
index 71ca301c..ae35f3ef 100644
--- a/e2fsck/ehandler.c
+++ b/e2fsck/ehandler.c
@@ -118,6 +118,29 @@ static errcode_t e2fsck_handle_write_error(io_channel channel,
  	return error;
  }
+static errcode_t e2fsck_handle_sync_error(io_channel channel,
+                                            errcode_t error)
+{
+	ext2_filsys fs = (ext2_filsys) channel->app_data;
+	e2fsck_t ctx;
+
+	ctx = (e2fsck_t) fs->priv_data;
+	if (ctx->flags & E2F_FLAG_EXITING)
+		return 0;
+	

Nit: ^^^ unnecessary indentation

+	if (operation)
+		printf(_("Error sync (%s) while %s.  "),

I think we should be more explicit that *fsync* failed:

"Error during fsync of dirty metadata while %s: %s",
	operation, error_message(...)?


+		       error_message(error), operation);
+	else
+		printf(_("Error sync (%s).  "),
+		       error_message(error));
+	preenhalt(ctx);
+	if (ask(ctx, _("Ignore error"), 1))

ask_yn()?

Not sure what we're asking about here, or what happens if you answer NO?
Unless we're using a redo file, dirty metadata flush has failed so we
might as well keep going, right?

--D

+		return 0;
+
+	return error;
+}
+
  const char *ehandler_operation(const char *op)
  {
  	const char *ret = operation;
@@ -130,4 +153,5 @@ void ehandler_init(io_channel channel)
  {
  	channel->read_error = e2fsck_handle_read_error;
  	channel->write_error = e2fsck_handle_write_error;
+	channel->sync_error = e2fsck_handle_sync_error;
  }
--
2.31.1

.




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