repair adfs ->write_inode(), switch to simple_fsync()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

6 files changed, 48 insertions, 6 deletions

diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h
index e0a85dbeeb88..a6665f37f456 100644
--- a/fs/adfs/adfs.h
+++ b/fs/adfs/adfs.h
@@ -53,6 +53,7 @@ struct adfs_dir_ops {
         int     (*update)(struct adfs_dir *dir, struct object_info *obj);
         int     (*create)(struct adfs_dir *dir, struct object_info *obj);
         int     (*remove)(struct adfs_dir *dir, struct object_info *obj);
+        int     (*sync)(struct adfs_dir *dir);
         void    (*free)(struct adfs_dir *dir);
 };
 
@@ -90,7 +91,8 @@ extern const struct dentry_operations adfs_dentry_operations;
 extern struct adfs_dir_ops adfs_f_dir_ops;
 extern struct adfs_dir_ops adfs_fplus_dir_ops;
 
-extern int adfs_dir_update(struct super_block *sb, struct object_info *obj);
+extern int adfs_dir_update(struct super_block *sb, struct object_info *obj,
+                           int wait);
 
 /* file.c */
 extern const struct inode_operations adfs_file_inode_operations;
diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c
index e867ccf37246..4d4073447d1a 100644
--- a/fs/adfs/dir.c
+++ b/fs/adfs/dir.c
@@ -83,7 +83,7 @@ out:
 }
 
 int
-adfs_dir_update(struct super_block *sb, struct object_info *obj)
+adfs_dir_update(struct super_block *sb, struct object_info *obj, int wait)
 {
         int ret = -EINVAL;
 #ifdef CONFIG_ADFS_FS_RW
@@ -106,6 +106,12 @@ adfs_dir_update(struct super_block *sb, struct object_info *obj)
         ret = ops->update(&dir, obj);
         write_unlock(&adfs_dir_lock);
 
+        if (wait) {
+                int err = ops->sync(&dir);
+                if (!ret)
+                        ret = err;
+        }
+
         ops->free(&dir);
 out:
 #endif
@@ -199,7 +205,7 @@ const struct file_operations adfs_dir_operations = {
         .read           = generic_read_dir,
         .llseek         = generic_file_llseek,
         .readdir        = adfs_readdir,
-        .fsync          = file_fsync,
+        .fsync          = simple_fsync,
 };
 
 static int
diff --git a/fs/adfs/dir_f.c b/fs/adfs/dir_f.c
index ea7df2146921..31df6adf0de6 100644
--- a/fs/adfs/dir_f.c
+++ b/fs/adfs/dir_f.c
@@ -437,6 +437,22 @@ bad_dir:
 #endif
 }
 
+static int
+adfs_f_sync(struct adfs_dir *dir)
+{
+        int err = 0;
+        int i;
+
+        for (i = dir->nr_buffers - 1; i >= 0; i--) {
+                struct buffer_head *bh = dir->bh[i];
+                sync_dirty_buffer(bh);
+                if (buffer_req(bh) && !buffer_uptodate(bh))
+                        err = -EIO;
+        }
+
+        return err;
+}
+
 static void
 adfs_f_free(struct adfs_dir *dir)
 {
@@ -456,5 +472,6 @@ struct adfs_dir_ops adfs_f_dir_ops = {
         .setpos         = adfs_f_setpos,
         .getnext        = adfs_f_getnext,
         .update         = adfs_f_update,
+        .sync           = adfs_f_sync,
         .free           = adfs_f_free
 };
diff --git a/fs/adfs/dir_fplus.c b/fs/adfs/dir_fplus.c
index 1ec644e32df9..139e0f345f18 100644
--- a/fs/adfs/dir_fplus.c
+++ b/fs/adfs/dir_fplus.c
@@ -161,6 +161,22 @@ out:
         return ret;
 }
 
+static int
+adfs_fplus_sync(struct adfs_dir *dir)
+{
+        int err = 0;
+        int i;
+
+        for (i = dir->nr_buffers - 1; i >= 0; i--) {
+                struct buffer_head *bh = dir->bh[i];
+                sync_dirty_buffer(bh);
+                if (buffer_req(bh) && !buffer_uptodate(bh))
+                        err = -EIO;
+        }
+
+        return err;
+}
+
 static void
 adfs_fplus_free(struct adfs_dir *dir)
 {
@@ -175,5 +191,6 @@ struct adfs_dir_ops adfs_fplus_dir_ops = {
         .read           = adfs_fplus_read,
         .setpos         = adfs_fplus_setpos,
         .getnext        = adfs_fplus_getnext,
+        .sync           = adfs_fplus_sync,
         .free           = adfs_fplus_free
 };
diff --git a/fs/adfs/file.c b/fs/adfs/file.c
index 36e381c6a99a..8224d54a2afb 100644
--- a/fs/adfs/file.c
+++ b/fs/adfs/file.c
@@ -30,7 +30,7 @@ const struct file_operations adfs_file_operations = {
         .read           = do_sync_read,
         .aio_read       = generic_file_aio_read,
         .mmap           = generic_file_mmap,
-        .fsync          = file_fsync,
+        .fsync          = simple_fsync,
         .write          = do_sync_write,
         .aio_write      = generic_file_aio_write,
         .splice_read    = generic_file_splice_read,
diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c
index e647200262a2..05b3a677201d 100644
--- a/fs/adfs/inode.c
+++ b/fs/adfs/inode.c
@@ -376,7 +376,7 @@ out:
  * The adfs-specific inode data has already been updated by
  * adfs_notify_change()
  */
-int adfs_write_inode(struct inode *inode, int unused)
+int adfs_write_inode(struct inode *inode, int wait)
 {
         struct super_block *sb = inode->i_sb;
         struct object_info obj;
@@ -391,7 +391,7 @@ int adfs_write_inode(struct inode *inode, int unused)
         obj.attr        = ADFS_I(inode)->attr;
         obj.size        = inode->i_size;
 
-        ret = adfs_dir_update(sb, &obj);
+        ret = adfs_dir_update(sb, &obj, wait);
         unlock_kernel();
         return ret;
 }