ocfs2: use 'osb' instead of 'OCFS2_SB()'

We could use 'osb' instead of 'OCFS2_SB()' to make code more elegant.

Link: http://lkml.kernel.org/r/5A702111.7090907@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index e8e205b..5ff960b 100644 (file)
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -2213,7 +2213,7 @@ static int ocfs2_dio_wr_get_block(struct inode *inode, sector_t iblock,
        down_write(&oi->ip_alloc_sem);
 
        if (first_get_block) {
-               if (ocfs2_sparse_alloc(OCFS2_SB(inode->i_sb)))
+               if (ocfs2_sparse_alloc(osb))
                        ret = ocfs2_zero_tail(inode, di_bh, pos);
                else
                        ret = ocfs2_expand_nonsparse_inode(inode, di_bh, pos,

diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 977763d..b048d4f 100644 (file)
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -3072,7 +3072,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
                         * We need to return the correct block within the
                         * cluster which should hold our entry.
                         */
-                       off = ocfs2_dx_dir_hash_idx(OCFS2_SB(dir->i_sb),
+                       off = ocfs2_dx_dir_hash_idx(osb,
                                                    &lookup->dl_hinfo);
                        get_bh(dx_leaves[off]);
                        lookup->dl_dx_leaf_bh = dx_leaves[off];

diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 9479f99..bc746e8 100644 (file)
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -1756,8 +1756,7 @@ int ocfs2_rw_lock(struct inode *inode, int write)
 
        level = write ? DLM_LOCK_EX : DLM_LOCK_PR;
 
-       status = ocfs2_cluster_lock(OCFS2_SB(inode->i_sb), lockres, level, 0,
-                                   0);
+       status = ocfs2_cluster_lock(osb, lockres, level, 0, 0);
        if (status < 0)
                mlog_errno(status);
 
@@ -1796,7 +1795,7 @@ void ocfs2_rw_unlock(struct inode *inode, int write)
             write ? "EXMODE" : "PRMODE");
 
        if (!ocfs2_mount_local(osb))
-               ocfs2_cluster_unlock(OCFS2_SB(inode->i_sb), lockres, level);
+               ocfs2_cluster_unlock(osb, lockres, level);
 }
 
 /*
@@ -1816,8 +1815,7 @@ int ocfs2_open_lock(struct inode *inode)
 
        lockres = &OCFS2_I(inode)->ip_open_lockres;
 
-       status = ocfs2_cluster_lock(OCFS2_SB(inode->i_sb), lockres,
-                                   DLM_LOCK_PR, 0, 0);
+       status = ocfs2_cluster_lock(osb, lockres, DLM_LOCK_PR, 0, 0);
        if (status < 0)
                mlog_errno(status);
 
@@ -1854,8 +1852,7 @@ int ocfs2_try_open_lock(struct inode *inode, int write)
         * other nodes and the -EAGAIN will indicate to the caller that
         * this inode is still in use.
         */
-       status = ocfs2_cluster_lock(OCFS2_SB(inode->i_sb), lockres,
-                                   level, DLM_LKF_NOQUEUE, 0);
+       status = ocfs2_cluster_lock(osb, lockres, level, DLM_LKF_NOQUEUE, 0);
 
 out:
        return status;
@@ -1876,11 +1873,9 @@ void ocfs2_open_unlock(struct inode *inode)
                goto out;
 
        if(lockres->l_ro_holders)
-               ocfs2_cluster_unlock(OCFS2_SB(inode->i_sb), lockres,
-                                    DLM_LOCK_PR);
+               ocfs2_cluster_unlock(osb, lockres, DLM_LOCK_PR);
        if(lockres->l_ex_holders)
-               ocfs2_cluster_unlock(OCFS2_SB(inode->i_sb), lockres,
-                                    DLM_LOCK_EX);
+               ocfs2_cluster_unlock(osb, lockres, DLM_LOCK_EX);
 
 out:
        return;
@@ -2601,9 +2596,9 @@ void ocfs2_inode_unlock(struct inode *inode,
             (unsigned long long)OCFS2_I(inode)->ip_blkno,
             ex ? "EXMODE" : "PRMODE");
 
-       if (!ocfs2_is_hard_readonly(OCFS2_SB(inode->i_sb)) &&
+       if (!ocfs2_is_hard_readonly(osb) &&
            !ocfs2_mount_local(osb))
-               ocfs2_cluster_unlock(OCFS2_SB(inode->i_sb), lockres, level);
+               ocfs2_cluster_unlock(osb, lockres, level);
 }
 
 /*

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 5d1784a..9d8c3ee 100644 (file)
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -296,7 +296,7 @@ int ocfs2_update_inode_atime(struct inode *inode,
        ocfs2_journal_dirty(handle, bh);
 
 out_commit:
-       ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
+       ocfs2_commit_trans(osb, handle);
 out:
        return ret;
 }

diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index d51b80e..152f65b 100644 (file)
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -1135,7 +1135,7 @@ static void ocfs2_clear_inode(struct inode *inode)
        trace_ocfs2_clear_inode((unsigned long long)oi->ip_blkno,
                                inode->i_nlink);
 
-       mlog_bug_on_msg(OCFS2_SB(inode->i_sb) == NULL,
+       mlog_bug_on_msg(osb == NULL,
                        "Inode=%lu\n", inode->i_ino);
 
        dquot_drop(inode);
@@ -1150,7 +1150,7 @@ static void ocfs2_clear_inode(struct inode *inode)
        ocfs2_mark_lockres_freeing(osb, &oi->ip_inode_lockres);
        ocfs2_mark_lockres_freeing(osb, &oi->ip_open_lockres);
 
-       ocfs2_resv_discard(&OCFS2_SB(inode->i_sb)->osb_la_resmap,
+       ocfs2_resv_discard(&osb->osb_la_resmap,
                           &oi->ip_la_data_resv);
        ocfs2_resv_init_once(&oi->ip_la_data_resv);
 
@@ -1223,7 +1223,7 @@ static void ocfs2_clear_inode(struct inode *inode)
         * the journal is flushed before journal shutdown. Thus it is safe to
         * have inodes get cleaned up after journal shutdown.
         */
-       jbd2_journal_release_jbd_inode(OCFS2_SB(inode->i_sb)->journal->j_journal,
+       jbd2_journal_release_jbd_inode(osb->journal->j_journal,
                                       &oi->ip_jinode);
 }
 

diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index ab156e3..323b162 100644 (file)
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -3359,7 +3359,7 @@ static int ocfs2_replace_cow(struct ocfs2_cow_context *context)
        unsigned int ext_flags;
        struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 
-       if (!ocfs2_refcount_tree(OCFS2_SB(inode->i_sb))) {
+       if (!ocfs2_refcount_tree(osb)) {
                return ocfs2_error(inode->i_sb, "Inode %lu want to use refcount tree, but the feature bit is not set in the super block\n",
                                   inode->i_ino);
        }
@@ -3707,7 +3707,7 @@ int ocfs2_add_refcount_flag(struct inode *inode,
        trace_ocfs2_add_refcount_flag(ref_blocks, credits);
 
        if (ref_blocks) {
-               ret = ocfs2_reserve_new_metadata_blocks(OCFS2_SB(inode->i_sb),
+               ret = ocfs2_reserve_new_metadata_blocks(osb,
                                                        ref_blocks, &meta_ac);
                if (ret) {
                        mlog_errno(ret);

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index d8f5f6c..40be647 100644 (file)
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -387,7 +387,7 @@ static int ocfs2_block_group_fill(handle_t *handle,
 
        memset(bg, 0, sb->s_blocksize);
        strcpy(bg->bg_signature, OCFS2_GROUP_DESC_SIGNATURE);
-       bg->bg_generation = cpu_to_le32(OCFS2_SB(sb)->fs_generation);
+       bg->bg_generation = cpu_to_le32(osb->fs_generation);
        bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb, 1,
                                                osb->s_feature_incompat));
        bg->bg_chain = cpu_to_le16(my_chain);
@@ -1521,7 +1521,7 @@ static int ocfs2_cluster_group_search(struct inode *inode,
                                OCFS2_I(inode)->ip_clusters, max_bits);
                }
 
-               ret = ocfs2_block_group_find_clear_bits(OCFS2_SB(inode->i_sb),
+               ret = ocfs2_block_group_find_clear_bits(osb,
                                                        group_bh, bits_wanted,
                                                        max_bits, res);
                if (ret)

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index ffa4952..e4d54d2 100644 (file)
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -423,10 +423,10 @@ static int ocfs2_sync_fs(struct super_block *sb, int wait)
                ocfs2_schedule_truncate_log_flush(osb, 0);
        }
 
-       if (jbd2_journal_start_commit(OCFS2_SB(sb)->journal->j_journal,
+       if (jbd2_journal_start_commit(osb->journal->j_journal,
                                      &target)) {
                if (wait)
-                       jbd2_log_wait_commit(OCFS2_SB(sb)->journal->j_journal,
+                       jbd2_log_wait_commit(osb->journal->j_journal,
                                             target);
        }
        return 0;

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index c261c1d..3a24ce3 100644 (file)
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -3564,7 +3564,7 @@ int ocfs2_xattr_set(struct inode *inode,
                .not_found = -ENODATA,
        };
 
-       if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))
+       if (!ocfs2_supports_xattr(osb))
                return -EOPNOTSUPP;
 
        /*