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author | Theodore Ts'o <tytso@mit.edu> | 2009-11-24 16:05:59 (GMT) |
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committer | Theodore Ts'o <tytso@mit.edu> | 2009-11-24 16:05:59 (GMT) |
commit | e4684b3fbb848446683feecb4aee133344c93933 (patch) | |
tree | c3e695ff304a8114e9efad460c30e9948665da66 /fs/ext4/ext4_jbd2.c | |
parent | d6797d14b1640d088652c72508b529a3aea479e3 (diff) | |
download | linux-e4684b3fbb848446683feecb4aee133344c93933.tar.xz |
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>
Diffstat (limited to 'fs/ext4/ext4_jbd2.c')
-rw-r--r-- | fs/ext4/ext4_jbd2.c | 30 |
1 files changed, 11 insertions, 19 deletions
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 @@ int __ext4_journal_forget(const char *where, handle_t *handle, 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 @@ int __ext4_forget(const char *where, handle_t *handle, int is_metadata, 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 @@ int __ext4_forget(const char *where, handle_t *handle, int is_metadata, /* * 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; } |