[PATCH] remember mode of reiserfs journal

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 5 insertions, 2 deletions

diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 70b896076676..9643c3bbeb3b 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -2575,7 +2575,7 @@ static int release_journal_dev(struct super_block *super,
         if (journal->j_dev_bd != NULL) {
                 if (journal->j_dev_bd->bd_dev != super->s_dev)
                         bd_release(journal->j_dev_bd);
-                result = blkdev_put(journal->j_dev_bd, 0); /* move up */
+                result = blkdev_put(journal->j_dev_bd, journal->j_dev_mode);
                 journal->j_dev_bd = NULL;
         }
 
@@ -2608,6 +2608,7 @@ static int journal_init_dev(struct super_block *super,
         /* there is no "jdev" option and journal is on separate device */
         if ((!jdev_name || !jdev_name[0])) {
                 journal->j_dev_bd = open_by_devnum(jdev, blkdev_mode);
+                journal->j_dev_mode = blkdev_mode;
                 if (IS_ERR(journal->j_dev_bd)) {
                         result = PTR_ERR(journal->j_dev_bd);
                         journal->j_dev_bd = NULL;
@@ -2628,8 +2629,9 @@ static int journal_init_dev(struct super_block *super,
                 return 0;
         }
 
+        journal->j_dev_mode = blkdev_mode;
         journal->j_dev_bd = open_bdev_exclusive(jdev_name,
-                                                FMODE_READ|FMODE_WRITE, journal);
+                                                blkdev_mode, journal);
         if (IS_ERR(journal->j_dev_bd)) {
                 result = PTR_ERR(journal->j_dev_bd);
                 journal->j_dev_bd = NULL;
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 315517e8bfa1..bda6b562a1e0 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -178,6 +178,7 @@ struct reiserfs_journal {
         struct reiserfs_journal_cnode *j_first; /*  oldest journal block.  start here for traverse */
 
         struct block_device *j_dev_bd;
+        fmode_t j_dev_mode;
         int j_1st_reserved_block;       /* first block on s_dev of reserved area journal */
 
         unsigned long j_state;