[03/24] xfs_logprint: dump new attr log item fields

Commit Message

Darrick J. Wong July 2, 2024, 1:11 a.m. UTC

From: Darrick J. Wong <[e-mail]>

Dump the new extended attribute log item fields.  This was split out
from the previous patch to make libxfs resyncing easier.  This code
needs more cleaning, which we'll do in the next few patches before
moving on to the parent pointer code.

Signed-off-by: Darrick J. Wong <[e-mail]>
---
 logprint/log_redo.c |  140 ++++++++++++++++++++++++++++++++++++++++++---------
 logprint/logprint.h |    6 +-
 2 files changed, 119 insertions(+), 27 deletions(-)

Comments

Christoph Hellwig July 2, 2024, 6:25 a.m. UTC | #1

> +extern int xlog_print_trans_attri_name(char **ptr, uint src_len,
> +		const char *tag);
> +extern int xlog_print_trans_attri_value(char **ptr, uint src_len, int value_len,
> +		const char *tag);

Maybe drop the pointless externs?

Otherwise looks good:

Reviewed-by: Christoph Hellwig <[e-mail]>

Darrick J. Wong July 2, 2024, 8:02 p.m. UTC | #2

On Tue, Jul 02, 2024 at 08:25:03AM +0200, Christoph Hellwig wrote:
> > +extern int xlog_print_trans_attri_name(char **ptr, uint src_len,
> > +		const char *tag);
> > +extern int xlog_print_trans_attri_value(char **ptr, uint src_len, int value_len,
> > +		const char *tag);
> 
> Maybe drop the pointless externs?
> 
> Otherwise looks good:
> 
> Reviewed-by: Christoph Hellwig <[e-mail]>

Done, thanks.

--D

Patch

diff --git a/logprint/log_redo.c b/logprint/log_redo.c
index ca6dadd7551a..1d55164a90ff 100644
--- a/logprint/log_redo.c
+++ b/logprint/log_redo.c
@@ -674,6 +674,12 @@  xfs_attri_copy_log_format(
 	return 1;
 }
 
+static inline unsigned int
+xfs_attr_log_item_op(const struct xfs_attri_log_format *attrp)
+{
+	return attrp->alfi_op_flags & XFS_ATTRI_OP_FLAGS_TYPE_MASK;
+}
+
 int
 xlog_print_trans_attri(
 	char				**ptr,
@@ -683,6 +689,10 @@  xlog_print_trans_attri(
 	struct xfs_attri_log_format	*src_f = NULL;
 	xlog_op_header_t		*head = NULL;
 	uint				dst_len;
+	unsigned int			name_len = 0;
+	unsigned int			new_name_len = 0;
+	unsigned int			value_len = 0;
+	unsigned int			new_value_len = 0;
 	int				error = 0;
 
 	dst_len = sizeof(struct xfs_attri_log_format);
@@ -705,27 +715,71 @@  xlog_print_trans_attri(
 	memmove((char*)src_f, *ptr, src_len);
 	*ptr += src_len;
 
-	printf(_("ATTRI:  #regs: %d	name_len: %d, value_len: %d  id: 0x%llx\n"),
-		src_f->alfi_size, src_f->alfi_name_len, src_f->alfi_value_len,
-				(unsigned long long)src_f->alfi_id);
+	if (xfs_attr_log_item_op(src_f) == XFS_ATTRI_OP_FLAGS_PPTR_REPLACE) {
+		name_len      = src_f->alfi_old_name_len;
+		new_name_len  = src_f->alfi_new_name_len;
+		value_len     = src_f->alfi_value_len;
+		new_value_len = src_f->alfi_value_len;
+	} else {
+		name_len      = src_f->alfi_name_len;
+		value_len     = src_f->alfi_value_len;
+	}
+
+	printf(_("ATTRI:  #regs: %d	f: 0x%x, ino: 0x%llx, igen: 0x%x, attr_filter: 0x%x, name_len: %u, new_name_len: %u, value_len: %u, new_value_len: %u  id: 0x%llx\n"),
+			src_f->alfi_size,
+			src_f->alfi_op_flags,
+			(unsigned long long)src_f->alfi_ino,
+			(unsigned int)src_f->alfi_igen,
+			src_f->alfi_attr_filter,
+			name_len,
+			new_name_len,
+			value_len,
+			new_value_len,
+			(unsigned long long)src_f->alfi_id);
+
+	if (name_len > 0) {
+		printf(_("\n"));
+		(*i)++;
+		head = (xlog_op_header_t *)*ptr;
+		xlog_print_op_header(head, *i, ptr);
+		error = xlog_print_trans_attri_name(ptr,
+				be32_to_cpu(head->oh_len), "name");
+		if (error)
+			goto error;
+	}
 
-	if (src_f->alfi_name_len > 0) {
+	if (new_name_len > 0) {
 		printf(_("\n"));
 		(*i)++;
 		head = (xlog_op_header_t *)*ptr;
 		xlog_print_op_header(head, *i, ptr);
-		error = xlog_print_trans_attri_name(ptr, be32_to_cpu(head->oh_len));
+		error = xlog_print_trans_attri_name(ptr,
+				be32_to_cpu(head->oh_len), "newname");
 		if (error)
 			goto error;
 	}
 
-	if (src_f->alfi_value_len > 0) {
+	if (value_len > 0) {
 		printf(_("\n"));
 		(*i)++;
 		head = (xlog_op_header_t *)*ptr;
 		xlog_print_op_header(head, *i, ptr);
-		error = xlog_print_trans_attri_value(ptr, be32_to_cpu(head->oh_len),
-				src_f->alfi_value_len);
+		error = xlog_print_trans_attri_value(ptr,
+				be32_to_cpu(head->oh_len), value_len, "value");
+		if (error)
+			goto error;
+	}
+
+	if (new_value_len > 0) {
+		printf(_("\n"));
+		(*i)++;
+		head = (xlog_op_header_t *)*ptr;
+		xlog_print_op_header(head, *i, ptr);
+		error = xlog_print_trans_attri_value(ptr,
+				be32_to_cpu(head->oh_len), new_value_len,
+				"newvalue");
+		if (error)
+			goto error;
 	}
 error:
 	free(src_f);
@@ -736,31 +790,33 @@  xlog_print_trans_attri(
 int
 xlog_print_trans_attri_name(
 	char				**ptr,
-	uint				src_len)
+	uint				src_len,
+	const char			*tag)
 {
-	printf(_("ATTRI:  name len:%u\n"), src_len);
+	printf(_("ATTRI:  %s len:%u\n"), tag, src_len);
 	print_or_dump(*ptr, src_len);
 
 	*ptr += src_len;
 
 	return 0;
-}	/* xlog_print_trans_attri */
+}
 
 int
 xlog_print_trans_attri_value(
 	char				**ptr,
 	uint				src_len,
-	int				value_len)
+	int				value_len,
+	const char			*tag)
 {
 	int len = min(value_len, src_len);
 
-	printf(_("ATTRI:  value len:%u\n"), value_len);
+	printf(_("ATTRI:  %s len:%u\n"), tag, value_len);
 	print_or_dump(*ptr, len);
 
 	*ptr += src_len;
 
 	return 0;
-}	/* xlog_print_trans_attri_value */
+}
 
 void
 xlog_recover_print_attri(
@@ -768,7 +824,10 @@  xlog_recover_print_attri(
 {
 	struct xfs_attri_log_format	*f, *src_f = NULL;
 	uint				src_len, dst_len;
-
+	unsigned int			name_len = 0;
+	unsigned int			new_name_len = 0;
+	unsigned int			value_len = 0;
+	unsigned int			new_value_len = 0;
 	int				region = 0;
 
 	src_f = (struct xfs_attri_log_format *)item->ri_buf[0].i_addr;
@@ -788,24 +847,55 @@  xlog_recover_print_attri(
 	if (xfs_attri_copy_log_format((char*)src_f, src_len, f))
 		goto out;
 
-	printf(_("ATTRI:  #regs: %d	name_len: %d, value_len: %d  id: 0x%llx\n"),
-		f->alfi_size, f->alfi_name_len, f->alfi_value_len, (unsigned long long)f->alfi_id);
+	if (xfs_attr_log_item_op(f) == XFS_ATTRI_OP_FLAGS_PPTR_REPLACE) {
+		name_len      = f->alfi_old_name_len;
+		new_name_len  = f->alfi_new_name_len;
+		value_len     = f->alfi_value_len;
+		new_value_len = f->alfi_value_len;
+	} else {
+		name_len      = f->alfi_name_len;
+		value_len     = f->alfi_value_len;
+	}
+
+	printf(_("ATTRI:  #regs: %d	f: 0x%x, ino: 0x%llx, igen: 0x%x, attr_filter: 0x%x, name_len: %u, new_name_len: %u, value_len: %d, new_value_len: %u  id: 0x%llx\n"),
+			f->alfi_size,
+			f->alfi_op_flags,
+			(unsigned long long)f->alfi_ino,
+			(unsigned int)f->alfi_igen,
+			f->alfi_attr_filter,
+			name_len,
+			new_name_len,
+			value_len,
+			new_value_len,
+			(unsigned long long)f->alfi_id);
 
-	if (f->alfi_name_len > 0) {
+	if (name_len > 0) {
 		region++;
-		printf(_("ATTRI:  name len:%u\n"), f->alfi_name_len);
+		printf(_("ATTRI:  name len:%u\n"), name_len);
 		print_or_dump((char *)item->ri_buf[region].i_addr,
-			       f->alfi_name_len);
+			       name_len);
 	}
 
-	if (f->alfi_value_len > 0) {
-		int len = f->alfi_value_len;
+	if (new_name_len > 0) {
+		region++;
+		printf(_("ATTRI:  newname len:%u\n"), new_name_len);
+		print_or_dump((char *)item->ri_buf[region].i_addr,
+			       new_name_len);
+	}
+
+	if (value_len > 0) {
+		int	len = min(MAX_ATTR_VAL_PRINT, value_len);
+
+		region++;
+		printf(_("ATTRI:  value len:%u\n"), value_len);
+		print_or_dump((char *)item->ri_buf[region].i_addr, len);
+	}
 
-		if (len > MAX_ATTR_VAL_PRINT)
-			len = MAX_ATTR_VAL_PRINT;
+	if (new_value_len > 0) {
+		int	len = min(MAX_ATTR_VAL_PRINT, new_value_len);
 
 		region++;
-		printf(_("ATTRI:  value len:%u\n"), f->alfi_value_len);
+		printf(_("ATTRI:  newvalue len:%u\n"), new_value_len);
 		print_or_dump((char *)item->ri_buf[region].i_addr, len);
 	}
 
diff --git a/logprint/logprint.h b/logprint/logprint.h
index 8867b110ecaf..9715cdb9e27b 100644
--- a/logprint/logprint.h
+++ b/logprint/logprint.h
@@ -59,8 +59,10 @@  extern void xlog_recover_print_bud(struct xlog_recover_item *item);
 #define MAX_ATTR_VAL_PRINT	128
 
 extern int xlog_print_trans_attri(char **ptr, uint src_len, int *i);
-extern int xlog_print_trans_attri_name(char **ptr, uint src_len);
-extern int xlog_print_trans_attri_value(char **ptr, uint src_len, int value_len);
+extern int xlog_print_trans_attri_name(char **ptr, uint src_len,
+		const char *tag);
+extern int xlog_print_trans_attri_value(char **ptr, uint src_len, int value_len,
+		const char *tag);
 extern void xlog_recover_print_attri(struct xlog_recover_item *item);
 extern int xlog_print_trans_attrd(char **ptr, uint len);
 extern void xlog_recover_print_attrd(struct xlog_recover_item *item);