hwmon: add TI ads7871 a/d converter driver

[safe/jmp/linux-2.6] / fs / efs / inode.c

diff --git a/fs/efs/inode.c b/fs/efs/inode.c
index 180607f..a8e7797 100644 (file)
--- a/fs/efs/inode.c
+++ b/fs/efs/inode.c
@@ -7,11 +7,11 @@
  *              and from work (c) 1998 Mike Shaver.
  */
 
-#include <linux/efs_fs.h>
-#include <linux/efs_fs_sb.h>
 #include <linux/buffer_head.h>
 #include <linux/module.h>
 #include <linux/fs.h>
+#include "efs.h"
+#include <linux/efs_fs_sb.h>
 
 static int efs_readpage(struct file *file, struct page *page)
 {
@@ -21,7 +21,7 @@ static sector_t _efs_bmap(struct address_space *mapping, sector_t block)
 {
        return generic_block_bmap(mapping,block,efs_get_block);
 }
-static struct address_space_operations efs_aops = {
+static const struct address_space_operations efs_aops = {
        .readpage = efs_readpage,
        .sync_page = block_sync_page,
        .bmap = _efs_bmap
@@ -45,17 +45,26 @@ static inline void extent_copy(efs_extent *src, efs_extent *dst) {
        return;
 }
 
-void efs_read_inode(struct inode *inode)
+struct inode *efs_iget(struct super_block *super, unsigned long ino)
 {
        int i, inode_index;
        dev_t device;
        u32 rdev;
        struct buffer_head *bh;
-       struct efs_sb_info    *sb = SUPER_INFO(inode->i_sb);
-       struct efs_inode_info *in = INODE_INFO(inode);
+       struct efs_sb_info    *sb = SUPER_INFO(super);
+       struct efs_inode_info *in;
        efs_block_t block, offset;
        struct efs_dinode *efs_inode;
-  
+       struct inode *inode;
+
+       inode = iget_locked(super, ino);
+       if (IS_ERR(inode))
+               return ERR_PTR(-ENOMEM);
+       if (!(inode->i_state & I_NEW))
+               return inode;
+
+       in = INODE_INFO(inode);
+
        /*
        ** EFS layout:
        **
@@ -131,7 +140,7 @@ void efs_read_inode(struct inode *inode)
        brelse(bh);
    
 #ifdef DEBUG
-       printk(KERN_DEBUG "EFS: read_inode(): inode %lu, extents %d, mode %o\n",
+       printk(KERN_DEBUG "EFS: efs_iget(): inode %lu, extents %d, mode %o\n",
                inode->i_ino, in->numextents, inode->i_mode);
 #endif
 
@@ -159,13 +168,13 @@ void efs_read_inode(struct inode *inode)
                        break;
        }
 
-       return;
+       unlock_new_inode(inode);
+       return inode;
         
 read_inode_error:
        printk(KERN_WARNING "EFS: failed to read inode %lu\n", inode->i_ino);
-       make_bad_inode(inode);
-
-       return;
+       iget_failed(inode);
+       return ERR_PTR(-EIO);
 }
 
 static inline efs_block_t