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 <ak@linux.intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>

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