Merge git://git.infradead.org/mtd-2.6

* git://git.infradead.org/mtd-2.6: (199 commits)
  [MTD] NAND: Fix breakage all over the place
  [PATCH] NAND: fix remaining OOB length calculation
  [MTD] NAND Fixup NDFC merge brokeness
  [MTD NAND] S3C2410 driver cleanup
  [MTD NAND] s3c24x0 board: Fix clock handling, ensure proper initialisation.
  [JFFS2] Check CRC32 on dirent and data nodes each time they're read
  [JFFS2] When retiring nextblock, allocate a node_ref for the wasted space
  [JFFS2] Mark XATTR support as experimental, for now
  [JFFS2] Don't trust node headers before the CRC is checked.
  [MTD] Restore MTD_ROM and MTD_RAM types
  [MTD] assume mtd->writesize is 1 for NOR flashes
  [MTD NAND] Fix s3c2410 NAND driver so it at least _looks_ like it compiles
  [MTD] Prepare physmap for 64-bit-resources
  [JFFS2] Fix more breakage caused by janitorial meddling.
  [JFFS2] Remove stray __exit from jffs2_compressors_exit()
  [MTD] Allow alternate JFFS2 mount variant for root filesystem.
  [MTD] Disconnect struct mtd_info from ABI
  [MTD] replace MTD_RAM with MTD_GENERIC_TYPE
  [MTD] replace MTD_ROM with MTD_GENERIC_TYPE
  [MTD] remove a forgotten MTD_XIP
  ...

1 files changed, 24 insertions, 11 deletions

diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 9f4171213e58..bb8844f40e48 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -54,7 +54,12 @@ const struct file_operations jffs2_file_operations =
 
 struct inode_operations jffs2_file_inode_operations =
 {
-        .setattr =      jffs2_setattr
+        .permission =   jffs2_permission,
+        .setattr =      jffs2_setattr,
+        .setxattr =     jffs2_setxattr,
+        .getxattr =     jffs2_getxattr,
+        .listxattr =    jffs2_listxattr,
+        .removexattr =  jffs2_removexattr
 };
 
 struct address_space_operations jffs2_file_address_operations =
@@ -129,13 +134,13 @@ static int jffs2_prepare_write (struct file *filp, struct page *pg,
                 struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
                 struct jffs2_raw_inode ri;
                 struct jffs2_full_dnode *fn;
-                uint32_t phys_ofs, alloc_len;
+                uint32_t alloc_len;
 
                 D1(printk(KERN_DEBUG "Writing new hole frag 0x%x-0x%x between current EOF and new page\n",
                           (unsigned int)inode->i_size, pageofs));
 
-                ret = jffs2_reserve_space(c, sizeof(ri), &phys_ofs, &alloc_len,
-                                        ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
+                ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len,
+                                          ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
                 if (ret)
                         return ret;
 
@@ -161,7 +166,7 @@ static int jffs2_prepare_write (struct file *filp, struct page *pg,
                 ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri)-8));
                 ri.data_crc = cpu_to_je32(0);
 
-                fn = jffs2_write_dnode(c, f, &ri, NULL, 0, phys_ofs, ALLOC_NORMAL);
+                fn = jffs2_write_dnode(c, f, &ri, NULL, 0, ALLOC_NORMAL);
 
                 if (IS_ERR(fn)) {
                         ret = PTR_ERR(fn);
@@ -215,12 +220,20 @@ static int jffs2_commit_write (struct file *filp, struct page *pg,
         D1(printk(KERN_DEBUG "jffs2_commit_write(): ino #%lu, page at 0x%lx, range %d-%d, flags %lx\n",
                   inode->i_ino, pg->index << PAGE_CACHE_SHIFT, start, end, pg->flags));
 
-        if (!start && end == PAGE_CACHE_SIZE) {
-                /* We need to avoid deadlock with page_cache_read() in
-                   jffs2_garbage_collect_pass(). So we have to mark the
-                   page up to date, to prevent page_cache_read() from
-                   trying to re-lock it. */
-                SetPageUptodate(pg);
+        if (end == PAGE_CACHE_SIZE) {
+                if (!start) {
+                        /* We need to avoid deadlock with page_cache_read() in
+                           jffs2_garbage_collect_pass(). So we have to mark the
+                           page up to date, to prevent page_cache_read() from
+                           trying to re-lock it. */
+                        SetPageUptodate(pg);
+                } else {
+                        /* When writing out the end of a page, write out the 
+                           _whole_ page. This helps to reduce the number of
+                           nodes in files which have many short writes, like
+                           syslog files. */
+                        start = aligned_start = 0;
+                }
         }
 
         ri = jffs2_alloc_raw_inode();