[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/fs/ext3/file.c b/ap/os/linux/linux-3.4.x/fs/ext3/file.c
new file mode 100644
index 0000000..25cb413
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/ext3/file.c
@@ -0,0 +1,80 @@
+/*
+ * linux/fs/ext3/file.c
+ *
+ * Copyright (C) 1992, 1993, 1994, 1995
+ * Remy Card (card@masi.ibp.fr)
+ * Laboratoire MASI - Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * from
+ *
+ * linux/fs/minix/file.c
+ *
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ *
+ * ext3 fs regular file handling primitives
+ *
+ * 64-bit file support on 64-bit platforms by Jakub Jelinek
+ * (jj@sunsite.ms.mff.cuni.cz)
+ */
+
+#include <linux/quotaops.h>
+#include "ext3.h"
+#include "xattr.h"
+#include "acl.h"
+
+/*
+ * Called when an inode is released. Note that this is different
+ * from ext3_file_open: open gets called at every open, but release
+ * gets called only when /all/ the files are closed.
+ */
+static int ext3_release_file (struct inode * inode, struct file * filp)
+{
+ if (ext3_test_inode_state(inode, EXT3_STATE_FLUSH_ON_CLOSE)) {
+ filemap_flush(inode->i_mapping);
+ ext3_clear_inode_state(inode, EXT3_STATE_FLUSH_ON_CLOSE);
+ }
+ /* if we are the last writer on the inode, drop the block reservation */
+ if ((filp->f_mode & FMODE_WRITE) &&
+ (atomic_read(&inode->i_writecount) == 1))
+ {
+ mutex_lock(&EXT3_I(inode)->truncate_mutex);
+ ext3_discard_reservation(inode);
+ mutex_unlock(&EXT3_I(inode)->truncate_mutex);
+ }
+ if (is_dx(inode) && filp->private_data)
+ ext3_htree_free_dir_info(filp->private_data);
+
+ return 0;
+}
+
+const struct file_operations ext3_file_operations = {
+ .llseek = generic_file_llseek,
+ .read = do_sync_read,
+ .write = do_sync_write,
+ .aio_read = generic_file_aio_read,
+ .aio_write = generic_file_aio_write,
+ .unlocked_ioctl = ext3_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ext3_compat_ioctl,
+#endif
+ .mmap = generic_file_mmap,
+ .open = dquot_file_open,
+ .release = ext3_release_file,
+ .fsync = ext3_sync_file,
+ .splice_read = generic_file_splice_read,
+ .splice_write = generic_file_splice_write,
+};
+
+const struct inode_operations ext3_file_inode_operations = {
+ .setattr = ext3_setattr,
+#ifdef CONFIG_EXT3_FS_XATTR
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
+ .listxattr = ext3_listxattr,
+ .removexattr = generic_removexattr,
+#endif
+ .get_acl = ext3_get_acl,
+ .fiemap = ext3_fiemap,
+};
+