Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: (32 commits)
  [PATCH] ocfs2: zero_user_page conversion
  ocfs2: Support xfs style space reservation ioctls
  ocfs2: support for removing file regions
  ocfs2: update truncate handling of partial clusters
  ocfs2: btree support for removal of arbirtrary extents
  ocfs2: Support creation of unwritten extents
  ocfs2: support writing of unwritten extents
  ocfs2: small cleanup of ocfs2_write_begin_nolock()
  ocfs2: btree changes for unwritten extents
  ocfs2: abstract btree growing calls
  ocfs2: use all extent block suballocators
  ocfs2: plug truncate into cached dealloc routines
  ocfs2: simplify deallocation locking
  ocfs2: harden buffer check during mapping of page blocks
  ocfs2: shared writeable mmap
  ocfs2: factor out write aops into nolock variants
  ocfs2: rework ocfs2_buffered_write_cluster()
  ocfs2: take ip_alloc_sem during entire truncate
  ocfs2: Add "preferred slot" mount option
  [KJ PATCH] Replacing memset(<addr>,0,PAGE_SIZE) with clear_page() in fs/ocfs2/dlm/dlmrecovery.c
  ...

1 files changed, 6 insertions, 40 deletions

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index e3437626d183..d9c5c9fcb30f 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -98,14 +98,6 @@ static int ocfs2_relink_block_group(handle_t *handle,
                                     u16 chain);
 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,
                                                      u32 wanted);
-static int ocfs2_free_suballoc_bits(handle_t *handle,
-                                    struct inode *alloc_inode,
-                                    struct buffer_head *alloc_bh,
-                                    unsigned int start_bit,
-                                    u64 bg_blkno,
-                                    unsigned int count);
-static inline u64 ocfs2_which_suballoc_group(u64 block,
-                                             unsigned int bit);
 static inline u32 ocfs2_desc_bitmap_to_cluster_off(struct inode *inode,
                                                    u64 bg_blkno,
                                                    u16 bg_bit_off);
@@ -496,13 +488,7 @@ int ocfs2_reserve_new_metadata(struct ocfs2_super *osb,
 
         (*ac)->ac_bits_wanted = ocfs2_extend_meta_needed(fe);
         (*ac)->ac_which = OCFS2_AC_USE_META;
-
-#ifndef OCFS2_USE_ALL_METADATA_SUBALLOCATORS
-        slot = 0;
-#else
         slot = osb->slot_num;
-#endif
-
         (*ac)->ac_group_search = ocfs2_block_group_search;
 
         status = ocfs2_reserve_suballoc_bits(osb, (*ac),
@@ -1626,12 +1612,12 @@ bail:
 /*
  * expects the suballoc inode to already be locked.
  */
-static int ocfs2_free_suballoc_bits(handle_t *handle,
-                                    struct inode *alloc_inode,
-                                    struct buffer_head *alloc_bh,
-                                    unsigned int start_bit,
-                                    u64 bg_blkno,
-                                    unsigned int count)
+int ocfs2_free_suballoc_bits(handle_t *handle,
+                             struct inode *alloc_inode,
+                             struct buffer_head *alloc_bh,
+                             unsigned int start_bit,
+                             u64 bg_blkno,
+                             unsigned int count)
 {
         int status = 0;
         u32 tmp_used;
@@ -1703,13 +1689,6 @@ bail:
         return status;
 }
 
-static inline u64 ocfs2_which_suballoc_group(u64 block, unsigned int bit)
-{
-        u64 group = block - (u64) bit;
-
-        return group;
-}
-
 int ocfs2_free_dinode(handle_t *handle,
                       struct inode *inode_alloc_inode,
                       struct buffer_head *inode_alloc_bh,
@@ -1723,19 +1702,6 @@ int ocfs2_free_dinode(handle_t *handle,
                                         inode_alloc_bh, bit, bg_blkno, 1);
 }
 
-int ocfs2_free_extent_block(handle_t *handle,
-                            struct inode *eb_alloc_inode,
-                            struct buffer_head *eb_alloc_bh,
-                            struct ocfs2_extent_block *eb)
-{
-        u64 blk = le64_to_cpu(eb->h_blkno);
-        u16 bit = le16_to_cpu(eb->h_suballoc_bit);
-        u64 bg_blkno = ocfs2_which_suballoc_group(blk, bit);
-
-        return ocfs2_free_suballoc_bits(handle, eb_alloc_inode, eb_alloc_bh,
-                                        bit, bg_blkno, 1);
-}
-
 int ocfs2_free_clusters(handle_t *handle,
                        struct inode *bitmap_inode,
                        struct buffer_head *bitmap_bh,