fat: truncate inode timestamp updates in setattr

[linux-2.6-block.git] / fs / fat / file.c

diff --git a/fs/fat/file.c b/fs/fat/file.c
index 4b54384054154e84b950a87608d7bc8da2e720a2..13935ee99e1e53038f458e257d48f11cc7426591 100644 (file)
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -542,6 +542,18 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
                up_write(&MSDOS_I(inode)->truncate_lock);
        }
 
+       /*
+        * setattr_copy can't truncate these appropriately, so we'll
+        * copy them ourselves
+        */
+       if (attr->ia_valid & ATTR_ATIME)
+               fat_truncate_time(inode, &attr->ia_atime, S_ATIME);
+       if (attr->ia_valid & ATTR_CTIME)
+               fat_truncate_time(inode, &attr->ia_ctime, S_CTIME);
+       if (attr->ia_valid & ATTR_MTIME)
+               fat_truncate_time(inode, &attr->ia_mtime, S_MTIME);
+       attr->ia_valid &= ~(ATTR_ATIME|ATTR_CTIME|ATTR_MTIME);
+
        setattr_copy(inode, attr);
        mark_inode_dirty(inode);
 out: