ext4: remove unused ext4_sb_info members

Not that these take up a lot of room, but the structure is long enough
as it is, and there's no need to confuse people with these various
undocumented & unused structure members...

Signed-off-by: Eric Sandeen <sandeen@redaht.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index e1c0155..2283369 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1089,7 +1089,6 @@ struct ext4_sb_info {
        struct completion s_kobj_unregister;
 
        /* Journaling */
-       struct inode *s_journal_inode;
        struct journal_s *s_journal;
        struct list_head s_orphan;
        struct mutex s_orphan_lock;
@@ -1122,10 +1121,7 @@ struct ext4_sb_info {
        /* for buddy allocator */
        struct ext4_group_info ***s_group_info;
        struct inode *s_buddy_cache;
-       long s_blocks_reserved;
-       spinlock_t s_reserve_lock;
        spinlock_t s_md_lock;
-       tid_t s_last_transaction;
        unsigned short *s_mb_offsets;
        unsigned int *s_mb_maxs;
 
@@ -1143,7 +1139,6 @@ struct ext4_sb_info {
        unsigned long s_mb_last_start;
 
        /* stats for buddy allocator */
-       spinlock_t s_mb_pa_lock;
        atomic_t s_bal_reqs;    /* number of reqs with len > 1 */
        atomic_t s_bal_success; /* we found long enough chunks */
        atomic_t s_bal_allocated;       /* in blocks */