14 files changed, 78 insertions, 122 deletions

diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c
index e3d466a228d4..b286ccb08587 100644
--- a/fs/reiserfs/bitmap.c
+++ b/fs/reiserfs/bitmap.c
@@ -708,7 +708,7 @@ static void oid_groups(reiserfs_blocknr_hint_t * hint)
  */
 static int get_left_neighbor(reiserfs_blocknr_hint_t * hint)
 {
-        struct path *path;
+        struct treepath *path;
         struct buffer_head *bh;
         struct item_head *ih;
         int pos_in_item;
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c
index 657050ad7430..96a2f8889da3 100644
--- a/fs/reiserfs/dir.c
+++ b/fs/reiserfs/dir.c
@@ -45,7 +45,7 @@ static int reiserfs_dir_fsync(struct file *filp, struct dentry *dentry,
 //
 static int reiserfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-        struct inode *inode = filp->f_dentry->d_inode;
+        struct inode *inode = filp->f_path.dentry->d_inode;
         struct cpu_key pos_key; /* key of current position in the directory (key of directory entry) */
         INITIALIZE_PATH(path_to_entry);
         struct buffer_head *bh;
@@ -135,7 +135,7 @@ static int reiserfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
                                 /* Ignore the .reiserfs_priv entry */
                                 if (reiserfs_xattrs(inode->i_sb) &&
                                     !old_format_only(inode->i_sb) &&
-                                    filp->f_dentry == inode->i_sb->s_root &&
+                                    filp->f_path.dentry == inode->i_sb->s_root &&
                                     REISERFS_SB(inode->i_sb)->priv_root &&
                                     REISERFS_SB(inode->i_sb)->priv_root->d_inode
                                     && deh_objectid(deh) ==
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index ac14318c81ba..99b6f329ba23 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -317,12 +317,11 @@ static int reiserfs_allocate_blocks_for_region(struct reiserfs_transaction_handl
                         /* area filled with zeroes, to supply as list of zero blocknumbers
                            We allocate it outside of loop just in case loop would spin for
                            several iterations. */
-                        char *zeros = kmalloc(to_paste * UNFM_P_SIZE, GFP_ATOMIC);      // We cannot insert more than MAX_ITEM_LEN bytes anyway.
+                        char *zeros = kzalloc(to_paste * UNFM_P_SIZE, GFP_ATOMIC);      // We cannot insert more than MAX_ITEM_LEN bytes anyway.
                         if (!zeros) {
                                 res = -ENOMEM;
                                 goto error_exit_free_blocks;
                         }
-                        memset(zeros, 0, to_paste * UNFM_P_SIZE);
                         do {
                                 to_paste =
                                     min_t(__u64, hole_size,
@@ -407,6 +406,8 @@ static int reiserfs_allocate_blocks_for_region(struct reiserfs_transaction_handl
                                    we restart it. This will also free the path. */
                                 if (journal_transaction_should_end
                                     (th, th->t_blocks_allocated)) {
+                                        inode->i_size = cpu_key_k_offset(&key) +
+                                                (to_paste << inode->i_blkbits);
                                         res =
                                             restart_transaction(th, inode,
                                                                 &path);
@@ -1045,6 +1046,7 @@ static int reiserfs_prepare_file_region_for_write(struct inode *inode
                         char *kaddr = kmap_atomic(prepared_pages[0], KM_USER0);
                         memset(kaddr, 0, from);
                         kunmap_atomic(kaddr, KM_USER0);
+                        flush_dcache_page(prepared_pages[0]);
                 }
                 if (to != PAGE_CACHE_SIZE) {    /* Last page needs to be partially zeroed */
                         char *kaddr =
@@ -1052,6 +1054,7 @@ static int reiserfs_prepare_file_region_for_write(struct inode *inode
                                         KM_USER0);
                         memset(kaddr + to, 0, PAGE_CACHE_SIZE - to);
                         kunmap_atomic(kaddr, KM_USER0);
+                        flush_dcache_page(prepared_pages[num_pages - 1]);
                 }
 
                 /* Since all blocks are new - use already calculated value */
@@ -1185,6 +1188,7 @@ static int reiserfs_prepare_file_region_for_write(struct inode *inode
                                         memset(kaddr + block_start, 0,
                                                from - block_start);
                                         kunmap_atomic(kaddr, KM_USER0);
+                                        flush_dcache_page(prepared_pages[0]);
                                         set_buffer_uptodate(bh);
                                 }
                         }
@@ -1222,6 +1226,7 @@ static int reiserfs_prepare_file_region_for_write(struct inode *inode
                                                         KM_USER0);
                                         memset(kaddr + to, 0, block_end - to);
                                         kunmap_atomic(kaddr, KM_USER0);
+                                        flush_dcache_page(prepared_pages[num_pages - 1]);
                                         set_buffer_uptodate(bh);
                                 }
                         }
@@ -1283,7 +1288,7 @@ static ssize_t reiserfs_file_write(struct file *file,	/* the file we are going t
         loff_t pos;             // Current position in the file.
         ssize_t res;            // return value of various functions that we call.
         int err = 0;
-        struct inode *inode = file->f_dentry->d_inode;  // Inode of the file that we are writing to.
+        struct inode *inode = file->f_path.dentry->d_inode;     // Inode of the file that we are writing to.
         /* To simplify coding at this time, we store
            locked pages in array for now */
         struct page *prepared_pages[REISERFS_WRITE_PAGES_AT_A_TIME];
@@ -1307,56 +1312,8 @@ static ssize_t reiserfs_file_write(struct file *file,	/* the file we are going t
                         count = MAX_NON_LFS - (unsigned long)*ppos;
         }
 
-        if (file->f_flags & O_DIRECT) { // Direct IO needs treatment
-                ssize_t result, after_file_end = 0;
-                if ((*ppos + count >= inode->i_size)
-                    || (file->f_flags & O_APPEND)) {
-                        /* If we are appending a file, we need to put this savelink in here.
-                           If we will crash while doing direct io, finish_unfinished will
-                           cut the garbage from the file end. */
-                        reiserfs_write_lock(inode->i_sb);
-                        err =
-                            journal_begin(&th, inode->i_sb,
-                                          JOURNAL_PER_BALANCE_CNT);
-                        if (err) {
-                                reiserfs_write_unlock(inode->i_sb);
-                                return err;
-                        }
-                        reiserfs_update_inode_transaction(inode);
-                        add_save_link(&th, inode, 1 /* Truncate */ );
-                        after_file_end = 1;
-                        err =
-                            journal_end(&th, inode->i_sb,
-                                        JOURNAL_PER_BALANCE_CNT);
-                        reiserfs_write_unlock(inode->i_sb);
-                        if (err)
-                                return err;
-                }
-                result = do_sync_write(file, buf, count, ppos);
-
-                if (after_file_end) {   /* Now update i_size and remove the savelink */
-                        struct reiserfs_transaction_handle th;
-                        reiserfs_write_lock(inode->i_sb);
-                        err = journal_begin(&th, inode->i_sb, 1);
-                        if (err) {
-                                reiserfs_write_unlock(inode->i_sb);
-                                return err;
-                        }
-                        reiserfs_update_inode_transaction(inode);
-                        mark_inode_dirty(inode);
-                        err = journal_end(&th, inode->i_sb, 1);
-                        if (err) {
-                                reiserfs_write_unlock(inode->i_sb);
-                                return err;
-                        }
-                        err = remove_save_link(inode, 1 /* truncate */ );
-                        reiserfs_write_unlock(inode->i_sb);
-                        if (err)
-                                return err;
-                }
-
-                return result;
-        }
+        if (file->f_flags & O_DIRECT)
+                return do_sync_write(file, buf, count, ppos);
 
         if (unlikely((ssize_t) count < 0))
                 return -EINVAL;
@@ -1378,7 +1335,7 @@ static ssize_t reiserfs_file_write(struct file *file,	/* the file we are going t
         if (count == 0)
                 goto out;
 
-        res = remove_suid(file->f_dentry);
+        res = remove_suid(file->f_path.dentry);
         if (res)
                 goto out;
 
diff --git a/fs/reiserfs/fix_node.c b/fs/reiserfs/fix_node.c
index 6d0e554daa9d..0ee35c6c9b72 100644
--- a/fs/reiserfs/fix_node.c
+++ b/fs/reiserfs/fix_node.c
@@ -957,7 +957,7 @@ static int get_far_parent(struct tree_balance *p_s_tb,
 {
         struct buffer_head *p_s_parent;
         INITIALIZE_PATH(s_path_to_neighbor_father);
-        struct path *p_s_path = p_s_tb->tb_path;
+        struct treepath *p_s_path = p_s_tb->tb_path;
         struct cpu_key s_lr_father_key;
         int n_counter,
             n_position = INT_MAX,
@@ -1074,7 +1074,7 @@ static int get_far_parent(struct tree_balance *p_s_tb,
  */
 static int get_parents(struct tree_balance *p_s_tb, int n_h)
 {
-        struct path *p_s_path = p_s_tb->tb_path;
+        struct treepath *p_s_path = p_s_tb->tb_path;
         int n_position,
             n_ret_value,
             n_path_offset = PATH_H_PATH_OFFSET(p_s_tb->tb_path, n_h);
@@ -1885,7 +1885,7 @@ static int check_balance(int mode,
 static int get_direct_parent(struct tree_balance *p_s_tb, int n_h)
 {
         struct buffer_head *p_s_bh;
-        struct path *p_s_path = p_s_tb->tb_path;
+        struct treepath *p_s_path = p_s_tb->tb_path;
         int n_position,
             n_path_offset = PATH_H_PATH_OFFSET(p_s_tb->tb_path, n_h);
 
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 9c69bcacad22..f3d1c4a77979 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -207,7 +207,7 @@ static int file_capable(struct inode *inode, long block)
 }
 
 /*static*/ int restart_transaction(struct reiserfs_transaction_handle *th,
-                                   struct inode *inode, struct path *path)
+                                   struct inode *inode, struct treepath *path)
 {
         struct super_block *s = th->t_super;
         int len = th->t_blocks_allocated;
@@ -216,11 +216,12 @@ static int file_capable(struct inode *inode, long block)
         BUG_ON(!th->t_trans_id);
         BUG_ON(!th->t_refcount);
 
+        pathrelse(path);
+
         /* we cannot restart while nested */
         if (th->t_refcount > 1) {
                 return 0;
         }
-        pathrelse(path);
         reiserfs_update_sd(th, inode);
         err = journal_end(th, s, len);
         if (!err) {
@@ -569,7 +570,7 @@ static inline int _allocate_block(struct reiserfs_transaction_handle *th,
                                   long block,
                                   struct inode *inode,
                                   b_blocknr_t * allocated_block_nr,
-                                  struct path *path, int flags)
+                                  struct treepath *path, int flags)
 {
         BUG_ON(!th->t_trans_id);
 
@@ -928,15 +929,12 @@ int reiserfs_get_block(struct inode *inode, sector_t block,
                         if (blocks_needed == 1) {
                                 un = &unf_single;
                         } else {
-                                un = kmalloc(min(blocks_needed, max_to_insert) * UNFM_P_SIZE, GFP_ATOMIC);      // We need to avoid scheduling.
+                                un = kzalloc(min(blocks_needed, max_to_insert) * UNFM_P_SIZE, GFP_ATOMIC);      // We need to avoid scheduling.
                                 if (!un) {
                                         un = &unf_single;
                                         blocks_needed = 1;
                                         max_to_insert = 0;
-                                } else
-                                        memset(un, 0,
-                                               UNFM_P_SIZE * min(blocks_needed,
-                                                                 max_to_insert));
+                                }
                         }
                         if (blocks_needed <= max_to_insert) {
                                 /* we are going to add target block to the file. Use allocated
@@ -1109,7 +1107,7 @@ static inline ulong to_fake_used_blocks(struct inode *inode, int sd_size)
 //
 
 // called by read_locked_inode
-static void init_inode(struct inode *inode, struct path *path)
+static void init_inode(struct inode *inode, struct treepath *path)
 {
         struct buffer_head *bh;
         struct item_head *ih;
@@ -1286,7 +1284,7 @@ static void inode2sd_v1(void *sd, struct inode *inode, loff_t size)
 /* NOTE, you must prepare the buffer head before sending it here,
 ** and then log it after the call
 */
-static void update_stat_data(struct path *path, struct inode *inode,
+static void update_stat_data(struct treepath *path, struct inode *inode,
                              loff_t size)
 {
         struct buffer_head *bh;
@@ -1655,7 +1653,7 @@ int reiserfs_write_inode(struct inode *inode, int do_sync)
    containing "." and ".." entries */
 static int reiserfs_new_directory(struct reiserfs_transaction_handle *th,
                                   struct inode *inode,
-                                  struct item_head *ih, struct path *path,
+                                  struct item_head *ih, struct treepath *path,
                                   struct inode *dir)
 {
         struct super_block *sb = th->t_super;
@@ -1714,7 +1712,7 @@ static int reiserfs_new_directory(struct reiserfs_transaction_handle *th,
    containing the body of symlink */
 static int reiserfs_new_symlink(struct reiserfs_transaction_handle *th, struct inode *inode,    /* Inode of symlink */
                                 struct item_head *ih,
-                                struct path *path, const char *symname,
+                                struct treepath *path, const char *symname,
                                 int item_len)
 {
         struct super_block *sb = th->t_super;
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index 9c57578cb831..b484d2913c0d 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -99,7 +99,7 @@ int reiserfs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 long reiserfs_compat_ioctl(struct file *file, unsigned int cmd,
                                 unsigned long arg)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file->f_path.dentry->d_inode;
         int ret;
 
         /* These are just misnamed, they actually get/put from/to user an int */
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 85ce23268302..7280a23ef344 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -104,7 +104,7 @@ static int release_journal_dev(struct super_block *super,
                                struct reiserfs_journal *journal);
 static int dirty_one_transaction(struct super_block *s,
                                  struct reiserfs_journal_list *jl);
-static void flush_async_commits(void *p);
+static void flush_async_commits(struct work_struct *work);
 static void queue_log_writer(struct super_block *s);
 
 /* values for join in do_journal_begin_r */
@@ -1464,7 +1464,7 @@ static int flush_journal_list(struct super_block *s,
                 }
 
                 /* if someone has this block in a newer transaction, just make
-                 ** sure they are commited, and don't try writing it to disk
+                 ** sure they are committed, and don't try writing it to disk
                  */
                 if (pjl) {
                         if (atomic_read(&pjl->j_commit_left))
@@ -2836,7 +2836,8 @@ int journal_init(struct super_block *p_s_sb, const char *j_dev_name,
         if (reiserfs_mounted_fs_count <= 1)
                 commit_wq = create_workqueue("reiserfs");
 
-        INIT_WORK(&journal->j_work, flush_async_commits, p_s_sb);
+        INIT_DELAYED_WORK(&journal->j_work, flush_async_commits);
+        journal->j_work_sb = p_s_sb;
         return 0;
       free_and_return:
         free_journal_ram(p_s_sb);
@@ -3384,7 +3385,7 @@ static int remove_from_transaction(struct super_block *p_s_sb,
 
 /*
 ** for any cnode in a journal list, it can only be dirtied of all the
-** transactions that include it are commited to disk.
+** transactions that include it are committed to disk.
 ** this checks through each transaction, and returns 1 if you are allowed to dirty,
 ** and 0 if you aren't
 **
@@ -3426,7 +3427,7 @@ static int can_dirty(struct reiserfs_journal_cnode *cn)
 }
 
 /* syncs the commit blocks, but does not force the real buffers to disk
-** will wait until the current transaction is done/commited before returning 
+** will wait until the current transaction is done/committed before returning 
 */
 int journal_end_sync(struct reiserfs_transaction_handle *th,
                      struct super_block *p_s_sb, unsigned long nblocks)
@@ -3447,10 +3448,11 @@ int journal_end_sync(struct reiserfs_transaction_handle *th,
 /*
 ** writeback the pending async commits to disk
 */
-static void flush_async_commits(void *p)
+static void flush_async_commits(struct work_struct *work)
 {
-        struct super_block *p_s_sb = p;
-        struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+        struct reiserfs_journal *journal =
+                container_of(work, struct reiserfs_journal, j_work.work);
+        struct super_block *p_s_sb = journal->j_work_sb;
         struct reiserfs_journal_list *jl;
         struct list_head *entry;
 
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index abde1edc2235..23f5cd5bbf56 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -54,7 +54,7 @@ static int bin_search_in_dir_item(struct reiserfs_dir_entry *de, loff_t off)
 
 // comment?  maybe something like set de to point to what the path points to?
 static inline void set_de_item_location(struct reiserfs_dir_entry *de,
-                                        struct path *path)
+                                        struct treepath *path)
 {
         de->de_bh = get_last_bh(path);
         de->de_ih = get_ih(path);
@@ -113,7 +113,7 @@ entry position in the item
 
 /* The function is NOT SCHEDULE-SAFE! */
 int search_by_entry_key(struct super_block *sb, const struct cpu_key *key,
-                        struct path *path, struct reiserfs_dir_entry *de)
+                        struct treepath *path, struct reiserfs_dir_entry *de)
 {
         int retval;
 
@@ -282,7 +282,7 @@ static int linear_search_in_dir_item(struct cpu_key *key,
 // may return NAME_FOUND, NAME_FOUND_INVISIBLE, NAME_NOT_FOUND
 // FIXME: should add something like IOERROR
 static int reiserfs_find_entry(struct inode *dir, const char *name, int namelen,
-                               struct path *path_to_entry,
+                               struct treepath *path_to_entry,
                                struct reiserfs_dir_entry *de)
 {
         struct cpu_key key_to_search;
diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
index c533ec1bcaec..ecc9943202fc 100644
--- a/fs/reiserfs/procfs.c
+++ b/fs/reiserfs/procfs.c
@@ -295,7 +295,7 @@ static int show_oidmap(struct seq_file *m, struct super_block *sb)
         }
 #if defined( REISERFS_USE_OIDMAPF )
         if (sb_info->oidmap.use_file && (sb_info->oidmap.mapf != NULL)) {
-                loff_t size = sb_info->oidmap.mapf->f_dentry->d_inode->i_size;
+                loff_t size = sb_info->oidmap.mapf->f_path.dentry->d_inode->i_size;
                 total_used += size / sizeof(reiserfs_oidinterval_d_t);
         }
 #endif
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index 5240abe1a709..afb21ea45302 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -244,7 +244,7 @@ static const struct reiserfs_key MAX_KEY = {
    of the path, and going upwards.  We must check the path's validity at each step.  If the key is not in
    the path, there is no delimiting key in the tree (buffer is first or last buffer in tree), and in this
    case we return a special key, either MIN_KEY or MAX_KEY. */
-static inline const struct reiserfs_key *get_lkey(const struct path
+static inline const struct reiserfs_key *get_lkey(const struct treepath
                                                   *p_s_chk_path,
                                                   const struct super_block
                                                   *p_s_sb)
@@ -290,7 +290,7 @@ static inline const struct reiserfs_key *get_lkey(const struct path
 }
 
 /* Get delimiting key of the buffer at the path and its right neighbor. */
-inline const struct reiserfs_key *get_rkey(const struct path *p_s_chk_path,
+inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path,
                                            const struct super_block *p_s_sb)
 {
         int n_position, n_path_offset = p_s_chk_path->path_length;
@@ -337,7 +337,7 @@ inline const struct reiserfs_key *get_rkey(const struct path *p_s_chk_path,
    the path.  These delimiting keys are stored at least one level above that buffer in the tree. If the
    buffer is the first or last node in the tree order then one of the delimiting keys may be absent, and in
    this case get_lkey and get_rkey return a special key which is MIN_KEY or MAX_KEY. */
-static inline int key_in_buffer(struct path *p_s_chk_path,      /* Path which should be checked.  */
+static inline int key_in_buffer(struct treepath *p_s_chk_path,  /* Path which should be checked.  */
                                 const struct cpu_key *p_s_key,  /* Key which should be checked.   */
                                 struct super_block *p_s_sb      /* Super block pointer.           */
     )
@@ -374,7 +374,7 @@ inline void decrement_bcount(struct buffer_head *p_s_bh)
 }
 
 /* Decrement b_count field of the all buffers in the path. */
-void decrement_counters_in_path(struct path *p_s_search_path)
+void decrement_counters_in_path(struct treepath *p_s_search_path)
 {
         int n_path_offset = p_s_search_path->path_length;
 
@@ -391,7 +391,7 @@ void decrement_counters_in_path(struct path *p_s_search_path)
         p_s_search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET;
 }
 
-int reiserfs_check_path(struct path *p)
+int reiserfs_check_path(struct treepath *p)
 {
         RFALSE(p->path_length != ILLEGAL_PATH_ELEMENT_OFFSET,
                "path not properly relsed");
@@ -403,7 +403,7 @@ int reiserfs_check_path(struct path *p)
 **
 ** only called from fix_nodes()
 */
-void pathrelse_and_restore(struct super_block *s, struct path *p_s_search_path)
+void pathrelse_and_restore(struct super_block *s, struct treepath *p_s_search_path)
 {
         int n_path_offset = p_s_search_path->path_length;
 
@@ -421,7 +421,7 @@ void pathrelse_and_restore(struct super_block *s, struct path *p_s_search_path)
 }
 
 /* Release all buffers in the path. */
-void pathrelse(struct path *p_s_search_path)
+void pathrelse(struct treepath *p_s_search_path)
 {
         int n_path_offset = p_s_search_path->path_length;
 
@@ -602,7 +602,7 @@ static void search_by_key_reada(struct super_block *s,
    correctness of the bottom of the path */
 /* The function is NOT SCHEDULE-SAFE! */
 int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key,    /* Key to search. */
-                  struct path *p_s_search_path, /* This structure was
+                  struct treepath *p_s_search_path,/* This structure was
                                                    allocated and initialized
                                                    by the calling
                                                    function. It is filled up
@@ -813,7 +813,7 @@ int search_by_key(struct super_block *p_s_sb, const struct cpu_key *p_s_key,	/*
 /* The function is NOT SCHEDULE-SAFE! */
 int search_for_position_by_key(struct super_block *p_s_sb,      /* Pointer to the super block.          */
                                const struct cpu_key *p_cpu_key, /* Key to search (cpu variable)         */
-                               struct path *p_s_search_path     /* Filled up by this function.          */
+                               struct treepath *p_s_search_path /* Filled up by this function.          */
     )
 {
         struct item_head *p_le_ih;      /* pointer to on-disk structure */
@@ -884,7 +884,7 @@ int search_for_position_by_key(struct super_block *p_s_sb,	/* Pointer to the sup
 }
 
 /* Compare given item and item pointed to by the path. */
-int comp_items(const struct item_head *stored_ih, const struct path *p_s_path)
+int comp_items(const struct item_head *stored_ih, const struct treepath *p_s_path)
 {
         struct buffer_head *p_s_bh;
         struct item_head *ih;
@@ -911,7 +911,7 @@ int comp_items(const struct item_head *stored_ih, const struct path *p_s_path)
 #define block_in_use(bh) (buffer_locked(bh) || (held_by_others(bh)))
 
 // prepare for delete or cut of direct item
-static inline int prepare_for_direct_item(struct path *path,
+static inline int prepare_for_direct_item(struct treepath *path,
                                           struct item_head *le_ih,
                                           struct inode *inode,
                                           loff_t new_file_length, int *cut_size)
@@ -952,7 +952,7 @@ static inline int prepare_for_direct_item(struct path *path,
         return M_CUT;           /* Cut from this item. */
 }
 
-static inline int prepare_for_direntry_item(struct path *path,
+static inline int prepare_for_direntry_item(struct treepath *path,
                                             struct item_head *le_ih,
                                             struct inode *inode,
                                             loff_t new_file_length,
@@ -987,7 +987,7 @@ static inline int prepare_for_direntry_item(struct path *path,
     In case of file truncate calculate whether this item must be deleted/truncated or last
     unformatted node of this item will be converted to a direct item.
     This function returns a determination of what balance mode the calling function should employ. */
-static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, struct inode *inode, struct path *p_s_path, const struct cpu_key *p_s_item_key, int *p_n_removed, /* Number of unformatted nodes which were removed
+static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, struct inode *inode, struct treepath *p_s_path, const struct cpu_key *p_s_item_key, int *p_n_removed,     /* Number of unformatted nodes which were removed
                                                                                                                                                                                    from end of the file. */
                                       int *p_n_cut_size, unsigned long long n_new_file_length   /* MAX_KEY_OFFSET in case of delete. */
     )
@@ -1125,7 +1125,7 @@ static int calc_deleted_bytes_number(struct tree_balance *p_s_tb, char c_mode)
 static void init_tb_struct(struct reiserfs_transaction_handle *th,
                            struct tree_balance *p_s_tb,
                            struct super_block *p_s_sb,
-                           struct path *p_s_path, int n_size)
+                           struct treepath *p_s_path, int n_size)
 {
 
         BUG_ON(!th->t_trans_id);
@@ -1176,7 +1176,7 @@ char head2type(struct item_head *ih)
 #endif
 
 /* Delete object item. */
-int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct path *p_s_path, /* Path to the deleted item. */
+int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath *p_s_path,     /* Path to the deleted item. */
                          const struct cpu_key *p_s_item_key,    /* Key to search for the deleted item.  */
                          struct inode *p_s_inode,       /* inode is here just to update i_blocks and quotas */
                          struct buffer_head *p_s_un_bh)
@@ -1459,7 +1459,7 @@ static void unmap_buffers(struct page *page, loff_t pos)
                                 bh = next;
                         } while (bh != head);
                         if (PAGE_SIZE == bh->b_size) {
-                                clear_page_dirty(page);
+                                cancel_dirty_page(page, PAGE_CACHE_SIZE);
                         }
                 }
         }
@@ -1468,7 +1468,7 @@ static void unmap_buffers(struct page *page, loff_t pos)
 static int maybe_indirect_to_direct(struct reiserfs_transaction_handle *th,
                                     struct inode *p_s_inode,
                                     struct page *page,
-                                    struct path *p_s_path,
+                                    struct treepath *p_s_path,
                                     const struct cpu_key *p_s_item_key,
                                     loff_t n_new_file_size, char *p_c_mode)
 {
@@ -1503,7 +1503,7 @@ static int maybe_indirect_to_direct(struct reiserfs_transaction_handle *th,
    pointer being converted. Therefore we have to delete inserted
    direct item(s) */
 static void indirect_to_direct_roll_back(struct reiserfs_transaction_handle *th,
-                                         struct inode *inode, struct path *path)
+                                         struct inode *inode, struct treepath *path)
 {
         struct cpu_key tail_key;
         int tail_len;
@@ -1545,7 +1545,7 @@ static void indirect_to_direct_roll_back(struct reiserfs_transaction_handle *th,
 
 /* (Truncate or cut entry) or delete object item. Returns < 0 on failure */
 int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
-                           struct path *p_s_path,
+                           struct treepath *p_s_path,
                            struct cpu_key *p_s_item_key,
                            struct inode *p_s_inode,
                            struct page *page, loff_t n_new_file_size)
@@ -1920,7 +1920,7 @@ int reiserfs_do_truncate(struct reiserfs_transaction_handle *th, struct inode *p
 
 #ifdef CONFIG_REISERFS_CHECK
 // this makes sure, that we __append__, not overwrite or add holes
-static void check_research_for_paste(struct path *path,
+static void check_research_for_paste(struct treepath *path,
                                      const struct cpu_key *p_s_key)
 {
         struct item_head *found_ih = get_ih(path);
@@ -1954,7 +1954,7 @@ static void check_research_for_paste(struct path *path,
 #endif                          /* config reiserfs check */
 
 /* Paste bytes to the existing item. Returns bytes number pasted into the item. */
-int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct path *p_s_search_path,      /* Path to the pasted item.          */
+int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct treepath *p_s_search_path,  /* Path to the pasted item.          */
                              const struct cpu_key *p_s_key,     /* Key to search for the needed item. */
                              struct inode *inode,       /* Inode item belongs to */
                              const char *p_c_body,      /* Pointer to the bytes to paste.    */
@@ -2036,7 +2036,7 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct path
 }
 
 /* Insert new item into the buffer at the path. */
-int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct path *p_s_path, /* Path to the inserteded item.         */
+int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct treepath *p_s_path,     /* Path to the inserteded item.         */
                          const struct cpu_key *key, struct item_head *p_s_ih,   /* Pointer to the item header to insert. */
                          struct inode *inode, const char *p_c_body)
 {                               /* Pointer to the bytes to insert.      */
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 17249994110f..58ad4551a7c1 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -23,7 +23,7 @@
 #include <linux/blkdev.h>
 #include <linux/buffer_head.h>
 #include <linux/vfs.h>
-#include <linux/namespace.h>
+#include <linux/mnt_namespace.h>
 #include <linux/mount.h>
 #include <linux/namei.h>
 #include <linux/quotaops.h>
@@ -490,13 +490,13 @@ static void reiserfs_put_super(struct super_block *s)
         return;
 }
 
-static kmem_cache_t *reiserfs_inode_cachep;
+static struct kmem_cache *reiserfs_inode_cachep;
 
 static struct inode *reiserfs_alloc_inode(struct super_block *sb)
 {
         struct reiserfs_inode_info *ei;
         ei = (struct reiserfs_inode_info *)
-            kmem_cache_alloc(reiserfs_inode_cachep, SLAB_KERNEL);
+            kmem_cache_alloc(reiserfs_inode_cachep, GFP_KERNEL);
         if (!ei)
                 return NULL;
         return &ei->vfs_inode;
@@ -507,7 +507,7 @@ static void reiserfs_destroy_inode(struct inode *inode)
         kmem_cache_free(reiserfs_inode_cachep, REISERFS_I(inode));
 }
 
-static void init_once(void *foo, kmem_cache_t * cachep, unsigned long flags)
+static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags)
 {
         struct reiserfs_inode_info *ei = (struct reiserfs_inode_info *)foo;
 
@@ -1549,13 +1549,12 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
         struct reiserfs_sb_info *sbi;
         int errval = -EINVAL;
 
-        sbi = kmalloc(sizeof(struct reiserfs_sb_info), GFP_KERNEL);
+        sbi = kzalloc(sizeof(struct reiserfs_sb_info), GFP_KERNEL);
         if (!sbi) {
                 errval = -ENOMEM;
                 goto error;
         }
         s->s_fs_info = sbi;
-        memset(sbi, 0, sizeof(struct reiserfs_sb_info));
         /* Set default values for options: non-aggressive tails, RO on errors */
         REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_SMALLTAIL);
         REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_ERROR_RO);
diff --git a/fs/reiserfs/tail_conversion.c b/fs/reiserfs/tail_conversion.c
index 36f108fc1cf5..f8121a1147e8 100644
--- a/fs/reiserfs/tail_conversion.c
+++ b/fs/reiserfs/tail_conversion.c
@@ -15,7 +15,7 @@
 /* path points to first direct item of the file regarless of how many of
    them are there */
 int direct2indirect(struct reiserfs_transaction_handle *th, struct inode *inode,
-                    struct path *path, struct buffer_head *unbh,
+                    struct treepath *path, struct buffer_head *unbh,
                     loff_t tail_offset)
 {
         struct super_block *sb = inode->i_sb;
@@ -171,7 +171,7 @@ void reiserfs_unmap_buffer(struct buffer_head *bh)
    what we expect from it (number of cut bytes). But when tail remains
    in the unformatted node, we set mode to SKIP_BALANCING and unlock
    inode */
-int indirect2direct(struct reiserfs_transaction_handle *th, struct inode *p_s_inode, struct page *page, struct path *p_s_path,  /* path to the indirect item. */
+int indirect2direct(struct reiserfs_transaction_handle *th, struct inode *p_s_inode, struct page *page, struct treepath *p_s_path,      /* path to the indirect item. */
                     const struct cpu_key *p_s_item_key, /* Key to look for unformatted node pointer to be cut. */
                     loff_t n_new_file_size,     /* New file size. */
                     char *p_c_mode)
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 7bdb0ed443e1..f01389fd162e 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -41,7 +41,7 @@
 #include <linux/reiserfs_xattr.h>
 #include <linux/reiserfs_acl.h>
 #include <asm/uaccess.h>
-#include <asm/checksum.h>
+#include <net/checksum.h>
 #include <linux/smp_lock.h>
 #include <linux/stat.h>
 #include <asm/semaphore.h>
@@ -274,7 +274,7 @@ static struct file *open_xa_file(const struct inode *inode, const char *name,
  */
 static int __xattr_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-        struct inode *inode = filp->f_dentry->d_inode;
+        struct inode *inode = filp->f_path.dentry->d_inode;
         struct cpu_key pos_key; /* key of current position in the directory (key of directory entry) */
         INITIALIZE_PATH(path_to_entry);
         struct buffer_head *bh;
@@ -420,7 +420,7 @@ static int __xattr_readdir(struct file *filp, void *dirent, filldir_t filldir)
 static
 int xattr_readdir(struct file *file, filldir_t filler, void *buf)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file->f_path.dentry->d_inode;
         int res = -ENOTDIR;
         if (!file->f_op || !file->f_op->readdir)
                 goto out;
@@ -508,7 +508,7 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
                 goto out;
         }
 
-        xinode = fp->f_dentry->d_inode;
+        xinode = fp->f_path.dentry->d_inode;
         REISERFS_I(inode)->i_flags |= i_has_xattr_dir;
 
         /* we need to copy it off.. */
@@ -527,7 +527,7 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
         newattrs.ia_size = buffer_size;
         newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
         mutex_lock(&xinode->i_mutex);
-        err = notify_change(fp->f_dentry, &newattrs);
+        err = notify_change(fp->f_path.dentry, &newattrs);
         if (err)
                 goto out_filp;
 
@@ -626,7 +626,7 @@ reiserfs_xattr_get(const struct inode *inode, const char *name, void *buffer,
                 goto out;
         }
 
-        xinode = fp->f_dentry->d_inode;
+        xinode = fp->f_path.dentry->d_inode;
         isize = xinode->i_size;
         REISERFS_I(inode)->i_flags |= i_has_xattr_dir;
 
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index 97ae1b92bc47..5296a29cc5eb 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -135,7 +135,7 @@ static void *posix_acl_to_disk(const struct posix_acl *acl, size_t * size)
         int n;
 
         *size = reiserfs_acl_size(acl->a_count);
-        ext_acl = (reiserfs_acl_header *) kmalloc(sizeof(reiserfs_acl_header) +
+        ext_acl = kmalloc(sizeof(reiserfs_acl_header) +
                                                   acl->a_count *
                                                   sizeof(reiserfs_acl_entry),
                                                   GFP_NOFS);