[PATCH] ext4: if expression format

changes instances of
	if ((lhs = expression)) {

to the preferred coding style

	lhs=expression;
	if (lhs) {

Signed-off-by: Avantika Mathur <mathur@us.ibm.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 994a6e4..06ce8e8 100644 (file)
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -186,7 +186,8 @@ static ext4_fsblk_t ext4_ext_find_goal(struct inode *inode,
                depth = path->p_depth;
 
                /* try to predict block placement */
-               if ((ex = path[depth].p_ext))
+               ex = path[depth].p_ext;
+               if (ex)
                        return ext_pblock(ex)+(block-le32_to_cpu(ex->ee_block));
 
                /* it looks like index is empty;
@@ -543,7 +544,8 @@ static int ext4_ext_insert_index(handle_t *handle, struct inode *inode,
        struct ext4_extent_idx *ix;
        int len, err;
 
-       if ((err = ext4_ext_get_access(handle, inode, curp)))
+       err = ext4_ext_get_access(handle, inode, curp);
+       if (err)
                return err;
 
        BUG_ON(logical == le32_to_cpu(curp->p_idx->ei_block));
@@ -665,7 +667,8 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
        }
        lock_buffer(bh);
 
-       if ((err = ext4_journal_get_create_access(handle, bh)))
+       err = ext4_journal_get_create_access(handle, bh);
+       if (err)
                goto cleanup;
 
        neh = ext_block_hdr(bh);
@@ -702,18 +705,21 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
        set_buffer_uptodate(bh);
        unlock_buffer(bh);
 
-       if ((err = ext4_journal_dirty_metadata(handle, bh)))
+       err = ext4_journal_dirty_metadata(handle, bh);
+       if (err)
                goto cleanup;
        brelse(bh);
        bh = NULL;
 
        /* correct old leaf */
        if (m) {
-               if ((err = ext4_ext_get_access(handle, inode, path + depth)))
+               err = ext4_ext_get_access(handle, inode, path + depth);
+               if (err)
                        goto cleanup;
                path[depth].p_hdr->eh_entries =
                     cpu_to_le16(le16_to_cpu(path[depth].p_hdr->eh_entries)-m);
-               if ((err = ext4_ext_dirty(handle, inode, path + depth)))
+               err = ext4_ext_dirty(handle, inode, path + depth);
+               if (err)
                        goto cleanup;
 
        }
@@ -736,7 +742,8 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
                }
                lock_buffer(bh);
 
-               if ((err = ext4_journal_get_create_access(handle, bh)))
+               err = ext4_journal_get_create_access(handle, bh);
+               if (err)
                        goto cleanup;
 
                neh = ext_block_hdr(bh);
@@ -780,7 +787,8 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
                set_buffer_uptodate(bh);
                unlock_buffer(bh);
 
-               if ((err = ext4_journal_dirty_metadata(handle, bh)))
+               err = ext4_journal_dirty_metadata(handle, bh);
+               if (err)
                        goto cleanup;
                brelse(bh);
                bh = NULL;
@@ -854,7 +862,8 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
        }
        lock_buffer(bh);
 
-       if ((err = ext4_journal_get_create_access(handle, bh))) {
+       err = ext4_journal_get_create_access(handle, bh);
+       if (err) {
                unlock_buffer(bh);
                goto out;
        }
@@ -874,11 +883,13 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
        set_buffer_uptodate(bh);
        unlock_buffer(bh);
 
-       if ((err = ext4_journal_dirty_metadata(handle, bh)))
+       err = ext4_journal_dirty_metadata(handle, bh);
+       if (err)
                goto out;
 
        /* create index in new top-level index: num,max,pointer */
-       if ((err = ext4_ext_get_access(handle, inode, curp)))
+       err = ext4_ext_get_access(handle, inode, curp);
+       if (err)
                goto out;
 
        curp->p_hdr->eh_magic = EXT4_EXT_MAGIC;
@@ -1070,20 +1081,24 @@ int ext4_ext_correct_indexes(handle_t *handle, struct inode *inode,
         */
        k = depth - 1;
        border = path[depth].p_ext->ee_block;
-       if ((err = ext4_ext_get_access(handle, inode, path + k)))
+       err = ext4_ext_get_access(handle, inode, path + k);
+       if (err)
                return err;
        path[k].p_idx->ei_block = border;
-       if ((err = ext4_ext_dirty(handle, inode, path + k)))
+       err = ext4_ext_dirty(handle, inode, path + k);
+       if (err)
                return err;
 
        while (k--) {
                /* change all left-side indexes */
                if (path[k+1].p_idx != EXT_FIRST_INDEX(path[k+1].p_hdr))
                        break;
-               if ((err = ext4_ext_get_access(handle, inode, path + k)))
+               err = ext4_ext_get_access(handle, inode, path + k);
+               if (err)
                        break;
                path[k].p_idx->ei_block = border;
-               if ((err = ext4_ext_dirty(handle, inode, path + k)))
+               err = ext4_ext_dirty(handle, inode, path + k);
+               if (err)
                        break;
        }
 
@@ -1142,7 +1157,8 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
                                le16_to_cpu(newext->ee_len),
                                le32_to_cpu(ex->ee_block),
                                le16_to_cpu(ex->ee_len), ext_pblock(ex));
-               if ((err = ext4_ext_get_access(handle, inode, path + depth)))
+               err = ext4_ext_get_access(handle, inode, path + depth);
+               if (err)
                        return err;
                ex->ee_len = cpu_to_le16(le16_to_cpu(ex->ee_len)
                                         + le16_to_cpu(newext->ee_len));
@@ -1192,7 +1208,8 @@ repeat:
 has_space:
        nearex = path[depth].p_ext;
 
-       if ((err = ext4_ext_get_access(handle, inode, path + depth)))
+       err = ext4_ext_get_access(handle, inode, path + depth);
+       if (err)
                goto cleanup;
 
        if (!nearex) {
@@ -1486,10 +1503,12 @@ int ext4_ext_rm_idx(handle_t *handle, struct inode *inode,
        path--;
        leaf = idx_pblock(path->p_idx);
        BUG_ON(path->p_hdr->eh_entries == 0);
-       if ((err = ext4_ext_get_access(handle, inode, path)))
+       err = ext4_ext_get_access(handle, inode, path);
+       if (err)
                return err;
        path->p_hdr->eh_entries = cpu_to_le16(le16_to_cpu(path->p_hdr->eh_entries)-1);
-       if ((err = ext4_ext_dirty(handle, inode, path)))
+       err = ext4_ext_dirty(handle, inode, path);
+       if (err)
                return err;
        ext_debug("index is empty, remove it, free block %llu\n", leaf);
        bh = sb_find_get_block(inode->i_sb, leaf);
@@ -1930,7 +1949,8 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
        mutex_lock(&EXT4_I(inode)->truncate_mutex);
 
        /* check in cache */
-       if ((goal = ext4_ext_in_cache(inode, iblock, &newex))) {
+       goal = ext4_ext_in_cache(inode, iblock, &newex);
+       if (goal) {
                if (goal == EXT4_EXT_CACHE_GAP) {
                        if (!create) {
                                /* block isn't allocated yet and
@@ -1969,7 +1989,8 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
         */
        BUG_ON(path[depth].p_ext == NULL && depth != 0);
 
-       if ((ex = path[depth].p_ext)) {
+       ex = path[depth].p_ext;
+       if (ex) {
                unsigned long ee_block = le32_to_cpu(ex->ee_block);
                ext4_fsblk_t ee_start = ext_pblock(ex);
                unsigned short ee_len  = le16_to_cpu(ex->ee_len);