The cp_ver of node footer is useful when analyzing data corruption
issues.
Signed-off-by: Wu Bo <bo...@vivo.com>
---
fsck/dump.c | 33 ++++++++++++++++++---------------
1 file changed, 18 insertions(+), 15 deletions(-)
diff --git a/fsck/dump.c b/fsck/dump.c
index 8d5613e..e628c6e 100644
--- a/fsck/dump.c
+++ b/fsck/dump.c
@@ -21,7 +21,7 @@
#endif
#include <locale.h>
-#define BUF_SZ 80
+#define BUF_SZ 128
/* current extent info */
struct extent_info dump_extent;
@@ -38,6 +38,7 @@ void nat_dump(struct f2fs_sb_info *sbi, nid_t start_nat,
nid_t end_nat)
{
struct f2fs_nat_block *nat_block;
struct f2fs_node *node_block;
+ struct node_footer *footer;
nid_t nid;
pgoff_t block_addr;
char buf[BUF_SZ];
@@ -47,6 +48,7 @@ void nat_dump(struct f2fs_sb_info *sbi, nid_t start_nat,
nid_t end_nat)
ASSERT(nat_block);
node_block = (struct f2fs_node *)calloc(F2FS_BLKSIZE, 1);
ASSERT(node_block);
+ footer = F2FS_NODE_FOOTER(node_block);
fd = open("dump_nat", O_CREAT|O_WRONLY|O_TRUNC, 0666);
ASSERT(fd >= 0);
@@ -54,6 +56,7 @@ void nat_dump(struct f2fs_sb_info *sbi, nid_t start_nat,
nid_t end_nat)
for (nid = start_nat; nid < end_nat; nid++) {
struct f2fs_nat_entry raw_nat;
struct node_info ni;
+ int len;
if(nid == 0 || nid == F2FS_NODE_INO(sbi) ||
nid == F2FS_META_INO(sbi))
continue;
@@ -66,15 +69,15 @@ void nat_dump(struct f2fs_sb_info *sbi, nid_t start_nat,
nid_t end_nat)
ret = dev_read_block(node_block, ni.blk_addr);
ASSERT(ret >= 0);
if (ni.blk_addr != 0x0) {
- memset(buf, 0, BUF_SZ);
- snprintf(buf, BUF_SZ,
+ len = snprintf(buf, BUF_SZ,
"nid:%5u\tino:%5u\toffset:%5u"
- "\tblkaddr:%10u\tpack:%d\n",
+ "\tblkaddr:%10u\tpack:%d"
+ "\tcp_ver:0x%" PRIx64 "\n",
ni.nid, ni.ino,
-
le32_to_cpu(F2FS_NODE_FOOTER(node_block)->flag) >>
- OFFSET_BIT_SHIFT,
- ni.blk_addr, pack);
- ret = write(fd, buf, strlen(buf));
+ le32_to_cpu(footer->flag) >>
OFFSET_BIT_SHIFT,
+ ni.blk_addr, pack,
+ le64_to_cpu(footer->cp_ver));
+ ret = write(fd, buf, len);
ASSERT(ret >= 0);
}
} else {
@@ -87,15 +90,15 @@ void nat_dump(struct f2fs_sb_info *sbi, nid_t start_nat,
nid_t end_nat)
ret = dev_read_block(node_block, ni.blk_addr);
ASSERT(ret >= 0);
- memset(buf, 0, BUF_SZ);
- snprintf(buf, BUF_SZ,
+ len = snprintf(buf, BUF_SZ,
"nid:%5u\tino:%5u\toffset:%5u"
- "\tblkaddr:%10u\tpack:%d\n",
+ "\tblkaddr:%10u\tpack:%d"
+ "\tcp_ver:0x%" PRIx64 "\n",
ni.nid, ni.ino,
- le32_to_cpu(F2FS_NODE_FOOTER(node_block)->flag)
>>
- OFFSET_BIT_SHIFT,
- ni.blk_addr, pack);
- ret = write(fd, buf, strlen(buf));
+ le32_to_cpu(footer->flag) >> OFFSET_BIT_SHIFT,
+ ni.blk_addr, pack,
+ le64_to_cpu(footer->cp_ver));
+ ret = write(fd, buf, len);
ASSERT(ret >= 0);
}
}
--
2.25.1
_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
