Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

[linux-2.6] / fs / reiserfs / inode.c

diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index ffa34b861bdb8c4d3db90d223a329a0abdd1e0e5..12dfdcfbee3dfb8666712f81fb8ca28f203568cb 100644 (file)
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -2,7 +2,6 @@
  * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
  */
 
-#include <linux/config.h>
 #include <linux/time.h>
 #include <linux/fs.h>
 #include <linux/reiserfs_fs.h>
@@ -466,7 +465,6 @@ static int reiserfs_get_block_create_0(struct inode *inode, sector_t block,
    direct_IO request. */
 static int reiserfs_get_blocks_direct_io(struct inode *inode,
                                         sector_t iblock,
-                                        unsigned long max_blocks,
                                         struct buffer_head *bh_result,
                                         int create)
 {
@@ -627,11 +625,6 @@ int reiserfs_get_block(struct inode *inode, sector_t block,
        reiserfs_write_lock(inode->i_sb);
        version = get_inode_item_key_version(inode);
 
-       if (block < 0) {
-               reiserfs_write_unlock(inode->i_sb);
-               return -EIO;
-       }
-
        if (!file_capable(inode, block)) {
                reiserfs_write_unlock(inode->i_sb);
                return -EFBIG;
@@ -934,12 +927,13 @@ int reiserfs_get_block(struct inode *inode, sector_t block,
                                     //pos_in_item * inode->i_sb->s_blocksize,
                                     TYPE_INDIRECT, 3); // key type is unimportant
 
+                       RFALSE(cpu_key_k_offset(&tmp_key) > cpu_key_k_offset(&key),
+                              "green-805: invalid offset");
                        blocks_needed =
                            1 +
                            ((cpu_key_k_offset(&key) -
                              cpu_key_k_offset(&tmp_key)) >> inode->i_sb->
                             s_blocksize_bits);
-                       RFALSE(blocks_needed < 0, "green-805: invalid offset");
 
                        if (blocks_needed == 1) {
                                un = &unf_single;
@@ -2363,6 +2357,13 @@ static int reiserfs_write_full_page(struct page *page,
        int bh_per_page = PAGE_CACHE_SIZE / s->s_blocksize;
        th.t_trans_id = 0;
 
+       /* no logging allowed when nonblocking or from PF_MEMALLOC */
+       if (checked && (current->flags & PF_MEMALLOC)) {
+               redirty_page_for_writepage(wbc, page);
+               unlock_page(page);
+               return 0;
+       }
+
        /* The page dirty bit is cleared before writepage is called, which
         * means we have to tell create_empty_buffers to make dirty buffers
         * The page really should be up to date at this point, so tossing
@@ -2743,6 +2744,7 @@ static int invalidatepage_can_drop(struct inode *inode, struct buffer_head *bh)
        int ret = 1;
        struct reiserfs_journal *j = SB_JOURNAL(inode->i_sb);
 
+       lock_buffer(bh);
        spin_lock(&j->j_dirty_buffers_lock);
        if (!buffer_mapped(bh)) {
                goto free_jh;
@@ -2758,7 +2760,7 @@ static int invalidatepage_can_drop(struct inode *inode, struct buffer_head *bh)
                if (buffer_journaled(bh) || buffer_journal_dirty(bh)) {
                        ret = 0;
                }
-       } else if (buffer_dirty(bh) || buffer_locked(bh)) {
+       } else  if (buffer_dirty(bh)) {
                struct reiserfs_journal_list *jl;
                struct reiserfs_jh *jh = bh->b_private;
 
@@ -2784,11 +2786,12 @@ static int invalidatepage_can_drop(struct inode *inode, struct buffer_head *bh)
                reiserfs_free_jh(bh);
        }
        spin_unlock(&j->j_dirty_buffers_lock);
+       unlock_buffer(bh);
        return ret;
 }
 
 /* clm -- taken from fs/buffer.c:block_invalidate_page */
-static int reiserfs_invalidatepage(struct page *page, unsigned long offset)
+static void reiserfs_invalidatepage(struct page *page, unsigned long offset)
 {
        struct buffer_head *head, *bh, *next;
        struct inode *inode = page->mapping->host;
@@ -2827,10 +2830,12 @@ static int reiserfs_invalidatepage(struct page *page, unsigned long offset)
         * The get_block cached value has been unconditionally invalidated,
         * so real IO is not possible anymore.
         */
-       if (!offset && ret)
+       if (!offset && ret) {
                ret = try_to_release_page(page, 0);
+               /* maybe should BUG_ON(!ret); - neilb */
+       }
       out:
-       return ret;
+       return;
 }
 
 static int reiserfs_set_page_dirty(struct page *page)
@@ -2927,6 +2932,11 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
                        }
                        if (error)
                                goto out;
+                       /*
+                        * file size is changed, ctime and mtime are
+                        * to be updated
+                        */
+                       attr->ia_valid |= (ATTR_MTIME | ATTR_CTIME);
                }
        }
 
@@ -2990,7 +3000,7 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
        return error;
 }
 
-struct address_space_operations reiserfs_address_space_operations = {
+const struct address_space_operations reiserfs_address_space_operations = {
        .writepage = reiserfs_writepage,
        .readpage = reiserfs_readpage,
        .readpages = reiserfs_readpages,