diff options
author | Andi Kleen <andi@firstfloor.org> | 2010-06-14 13:28:03 -0400 |
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committer | Theodore Ts'o <tytso@mit.edu> | 2010-06-14 13:28:03 -0400 |
commit | 5a0790c2c4a18435759a70e1562450035d778339 (patch) | |
tree | 80acb12d0e37196cf60ae4ca150c6b556115f302 /fs/jbd2 | |
parent | 07a038245b28df9196ffb2e8cc626e9b956a4e23 (diff) | |
download | op-kernel-dev-5a0790c2c4a18435759a70e1562450035d778339.zip op-kernel-dev-5a0790c2c4a18435759a70e1562450035d778339.tar.gz |
ext4: remove initialized but not read variables
No real bugs found, just removed some dead code.
Found by gcc 4.6's new warnings.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/jbd2')
-rw-r--r-- | fs/jbd2/journal.c | 12 | ||||
-rw-r--r-- | fs/jbd2/recovery.c | 10 |
2 files changed, 2 insertions, 20 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index bc2ff59..f7bf157 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1392,13 +1392,9 @@ int jbd2_journal_check_used_features (journal_t *journal, unsigned long compat, int jbd2_journal_check_available_features (journal_t *journal, unsigned long compat, unsigned long ro, unsigned long incompat) { - journal_superblock_t *sb; - if (!compat && !ro && !incompat) return 1; - sb = journal->j_superblock; - /* We can support any known requested features iff the * superblock is in version 2. Otherwise we fail to support any * extended sb features. */ @@ -1618,7 +1614,6 @@ int jbd2_journal_flush(journal_t *journal) int jbd2_journal_wipe(journal_t *journal, int write) { - journal_superblock_t *sb; int err = 0; J_ASSERT (!(journal->j_flags & JBD2_LOADED)); @@ -1627,8 +1622,6 @@ int jbd2_journal_wipe(journal_t *journal, int write) if (err) return err; - sb = journal->j_superblock; - if (!journal->j_tail) goto no_recovery; @@ -2202,8 +2195,6 @@ void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode) void jbd2_journal_release_jbd_inode(journal_t *journal, struct jbd2_inode *jinode) { - int writeout = 0; - if (!journal) return; restart: @@ -2220,9 +2211,6 @@ restart: goto restart; } - /* Do we need to wait for data writeback? */ - if (journal->j_committing_transaction == jinode->i_transaction) - writeout = 1; if (jinode->i_transaction) { list_del(&jinode->i_list); jinode->i_transaction = NULL; diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index 049281b..2bc4d5f 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -285,12 +285,10 @@ int jbd2_journal_recover(journal_t *journal) int jbd2_journal_skip_recovery(journal_t *journal) { int err; - journal_superblock_t * sb; struct recovery_info info; memset (&info, 0, sizeof(info)); - sb = journal->j_superblock; err = do_one_pass(journal, &info, PASS_SCAN); @@ -299,7 +297,8 @@ int jbd2_journal_skip_recovery(journal_t *journal) ++journal->j_transaction_sequence; } else { #ifdef CONFIG_JBD2_DEBUG - int dropped = info.end_transaction - be32_to_cpu(sb->s_sequence); + int dropped = info.end_transaction - + be32_to_cpu(journal->j_superblock->s_sequence); #endif jbd_debug(1, "JBD: ignoring %d transaction%s from the journal.\n", @@ -365,11 +364,6 @@ static int do_one_pass(journal_t *journal, int tag_bytes = journal_tag_bytes(journal); __u32 crc32_sum = ~0; /* Transactional Checksums */ - /* Precompute the maximum metadata descriptors in a descriptor block */ - int MAX_BLOCKS_PER_DESC; - MAX_BLOCKS_PER_DESC = ((journal->j_blocksize-sizeof(journal_header_t)) - / tag_bytes); - /* * First thing is to establish what we expect to find in the log * (in terms of transaction IDs), and where (in terms of log |