ref: e7519e14cb64ecc2ea8dcff1207e223432dd51c3
parent: 9668eacad96304fd50a6d5bf8cda00ba915108a0
author: ngkaho1234 <[email protected]>
date: Sat Nov 28 21:57:05 EST 2015
ext4_journal: try to detect if any blocks are revoked in a transaction.
--- a/lwext4/ext4_journal.c
+++ b/lwext4/ext4_journal.c
@@ -32,6 +32,7 @@
struct replay_arg {
struct recover_info *info;
uint32_t *this_block;
+ uint32_t this_trans_id;
};
static int
@@ -344,6 +345,7 @@
struct revoke_entry *revoke_entry;
struct ext4_block journal_block, ext4_block;
struct ext4_fs *fs = jbd_fs->inode_ref.fs;
+
ext4_dbg(DEBUG_JBD,
"Replaying block in block_tag: %" PRIu64 "\n",
block);
@@ -350,7 +352,8 @@
(*this_block)++;
revoke_entry = jbd_revoke_entry_lookup(info, block);
- if (revoke_entry)
+ if (revoke_entry &&
+ arg->this_trans_id < revoke_entry->trans_id)
return;
r = jbd_block_get(jbd_fs, &journal_block, *this_block);
@@ -551,6 +554,8 @@
struct replay_arg replay_arg;
replay_arg.info = info;
replay_arg.this_block = &this_block;
+ replay_arg.this_trans_id = this_trans_id;
+
jbd_replay_descriptor_block(jbd_fs,
header, &replay_arg);
}