From 0411ba7902e09111d6f2041b4697a597d2cf7736 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Thu, 10 Jun 2010 13:10:53 +0200 Subject: [PATCH] ext3: Fix set but unused variables [tytso@mit.edu: Fix compilation with CONFIG_JBD_DEBUG enabled] Acked-by: tytso@mit.edu cc: linux-ext4@vger.kernel.org Signed-off-by: Andi Kleen Signed-off-by: Jan Kara --- fs/ext3/namei.c | 3 +-- fs/ext3/resize.c | 2 -- fs/jbd/journal.c | 7 ------- fs/jbd/recovery.c | 11 ++--------- 4 files changed, 3 insertions(+), 20 deletions(-) diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index ee184084ca42..2b35ddb70d65 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -1447,7 +1447,6 @@ static int ext3_add_entry (handle_t *handle, struct dentry *dentry, struct inode *inode) { struct inode *dir = dentry->d_parent->d_inode; - unsigned long offset; struct buffer_head * bh; struct ext3_dir_entry_2 *de; struct super_block * sb; @@ -1469,7 +1468,7 @@ static int ext3_add_entry (handle_t *handle, struct dentry *dentry, ext3_mark_inode_dirty(handle, dir); } blocks = dir->i_size >> sb->s_blocksize_bits; - for (block = 0, offset = 0; block < blocks; block++) { + for (block = 0; block < blocks; block++) { bh = ext3_bread(handle, dir, block, 0, &retval); if(!bh) return retval; diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c index 54351ac7cef9..0ccd7b12b73c 100644 --- a/fs/ext3/resize.c +++ b/fs/ext3/resize.c @@ -964,7 +964,6 @@ int ext3_group_extend(struct super_block *sb, struct ext3_super_block *es, ext3_fsblk_t n_blocks_count) { ext3_fsblk_t o_blocks_count; - unsigned long o_groups_count; ext3_grpblk_t last; ext3_grpblk_t add; struct buffer_head * bh; @@ -976,7 +975,6 @@ int ext3_group_extend(struct super_block *sb, struct ext3_super_block *es, * yet: we're going to revalidate es->s_blocks_count after * taking the s_resize_lock below. */ o_blocks_count = le32_to_cpu(es->s_blocks_count); - o_groups_count = EXT3_SB(sb)->s_groups_count; if (test_opt(sb, DEBUG)) printk(KERN_DEBUG "EXT3-fs: extending last group from "E3FSBLK" uto "E3FSBLK" blocks\n", diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index 93d1e47647bd..f19ce94693d8 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -1281,13 +1281,9 @@ int journal_check_used_features (journal_t *journal, unsigned long compat, int 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. */ @@ -1481,7 +1477,6 @@ int journal_flush(journal_t *journal) int journal_wipe(journal_t *journal, int write) { - journal_superblock_t *sb; int err = 0; J_ASSERT (!(journal->j_flags & JFS_LOADED)); @@ -1490,8 +1485,6 @@ int journal_wipe(journal_t *journal, int write) if (err) return err; - sb = journal->j_superblock; - if (!journal->j_tail) goto no_recovery; diff --git a/fs/jbd/recovery.c b/fs/jbd/recovery.c index 54c9bc9e1b17..81051dafebf5 100644 --- a/fs/jbd/recovery.c +++ b/fs/jbd/recovery.c @@ -283,12 +283,9 @@ int journal_recover(journal_t *journal) int 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); @@ -297,7 +294,8 @@ int journal_skip_recovery(journal_t *journal) ++journal->j_transaction_sequence; } else { #ifdef CONFIG_JBD_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", @@ -321,11 +319,6 @@ static int do_one_pass(journal_t *journal, unsigned int sequence; int blocktype; - /* 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)) - / sizeof(journal_block_tag_t)); - /* * First thing is to establish what we expect to find in the log * (in terms of transaction IDs), and where (in terms of log -- 2.20.1