ext4: fold ext4_journal_revoke() into ext4_forget()
The only caller of ext4_journal_revoke() is ext4_forget(), so we can
fold ext4_journal_revoke() into ext4_forget() to simplify the code and
shorten the call stack.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index 913f857..92c88a8 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -50,22 +50,6 @@
return err;
}
-int __ext4_journal_revoke(const char *where, handle_t *handle,
- ext4_fsblk_t blocknr, struct buffer_head *bh)
-{
- int err = 0;
-
- if (ext4_handle_valid(handle)) {
- err = jbd2_journal_revoke(handle, blocknr, bh);
- if (err)
- ext4_journal_abort_handle(where, __func__, bh,
- handle, err);
- }
- else
- bforget(bh);
- return err;
-}
-
/*
* The ext4 forget function must perform a revoke if we are freeing data
* which has been journaled. Metadata (eg. indirect blocks) must be
@@ -94,6 +78,12 @@
bh, is_metadata, inode->i_mode,
test_opt(inode->i_sb, DATA_FLAGS));
+ /* In the no journal case, we can just do a bforget and return */
+ if (!ext4_handle_valid(handle)) {
+ bforget(bh);
+ return 0;
+ }
+
/* Never use the revoke function if we are doing full data
* journaling: there is no need to, and a V1 superblock won't
* support it. Otherwise, only skip the revoke on un-journaled
@@ -111,11 +101,13 @@
/*
* data!=journal && (is_metadata || should_journal_data(inode))
*/
- BUFFER_TRACE(bh, "call ext4_journal_revoke");
- err = __ext4_journal_revoke(where, handle, blocknr, bh);
- if (err)
+ BUFFER_TRACE(bh, "call jbd2_journal_revoke");
+ err = jbd2_journal_revoke(handle, blocknr, bh);
+ if (err) {
+ ext4_journal_abort_handle(where, __func__, bh, handle, err);
ext4_abort(inode->i_sb, __func__,
"error %d when attempting revoke", err);
+ }
BUFFER_TRACE(bh, "exit");
return err;
}