Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[cascardo/linux.git] / fs / ext2 / file.c

diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index a2f3afd..586e358 100644 (file)
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -19,6 +19,7 @@
  */
 
 #include <linux/time.h>
+#include <linux/pagemap.h>
 #include "ext2.h"
 #include "xattr.h"
 #include "acl.h"
@@ -38,6 +39,22 @@ static int ext2_release_file (struct inode * inode, struct file * filp)
        return 0;
 }
 
+int ext2_fsync(struct file *file, struct dentry *dentry, int datasync)
+{
+       int ret;
+       struct super_block *sb = dentry->d_inode->i_sb;
+       struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;
+
+       ret = simple_fsync(file, dentry, datasync);
+       if (ret == -EIO || test_and_clear_bit(AS_EIO, &mapping->flags)) {
+               /* We don't really know where the IO error happened... */
+               ext2_error(sb, __func__,
+                          "detected IO error when writing metadata buffers");
+               ret = -EIO;
+       }
+       return ret;
+}
+
 /*
  * We have mostly NULL's here: the current defaults are ok for
  * the ext2 filesystem.
@@ -55,7 +72,7 @@ const struct file_operations ext2_file_operations = {
        .mmap           = generic_file_mmap,
        .open           = generic_file_open,
        .release        = ext2_release_file,
-       .fsync          = simple_fsync,
+       .fsync          = ext2_fsync,
        .splice_read    = generic_file_splice_read,
        .splice_write   = generic_file_splice_write,
 };
@@ -72,7 +89,7 @@ const struct file_operations ext2_xip_file_operations = {
        .mmap           = xip_file_mmap,
        .open           = generic_file_open,
        .release        = ext2_release_file,
-       .fsync          = simple_fsync,
+       .fsync          = ext2_fsync,
 };
 #endif