From 248152767b0599986bbb6bb35fc27197f6be6964 Mon Sep 17 00:00:00 2001
From: Kinglong Mee <kinglongmee@gmail.com>
Date: Thu, 1 Feb 2018 10:13:07 +0800
Subject: gfapi: return pre/post attributes from glfs_ftruncate

Updates: #389
Change-Id: I8faea0828921fb17f05f7321c3cb01747373f21e
Signed-off-by: Kinglong Mee <mijinlong@open-fs.com>
---
 libglusterfs/src/generator.py |  2 ++
 libglusterfs/src/syncop.c     | 15 +++++++++++++--
 libglusterfs/src/syncop.h     |  1 +
 3 files changed, 16 insertions(+), 2 deletions(-)

(limited to 'libglusterfs')

diff --git a/libglusterfs/src/generator.py b/libglusterfs/src/generator.py
index e565438bfeb..c9311ea3856 100755
--- a/libglusterfs/src/generator.py
+++ b/libglusterfs/src/generator.py
@@ -303,6 +303,8 @@ ops['access'] = (
 ops['ftruncate'] = (
 	('fop-arg',	'fd',			'fd_t *',				'fd'),
 	('fop-arg',	'offset',		'off_t',				'offset'),
+	('extra',	'preop',		'struct iatt',		'&preop'),
+	('extra',	'postop',		'struct iatt',		'&postop'),
 	('fop-arg',	'xdata',		'dict_t *',				'xdata'),
 	('cbk-arg',	'prebuf',		'struct iatt *'),
 	('cbk-arg',	'postbuf',		'struct iatt *'),
diff --git a/libglusterfs/src/syncop.c b/libglusterfs/src/syncop.c
index 76e1a5e9116..202b3aba4ab 100644
--- a/libglusterfs/src/syncop.c
+++ b/libglusterfs/src/syncop.c
@@ -2326,20 +2326,31 @@ syncop_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         if (xdata)
                 args->xdata  = dict_ref (xdata);
 
+        if (op_ret >= 0) {
+                args->iatt1 = *prebuf;
+                args->iatt2 = *postbuf;
+        }
+
         __wake (args);
 
         return 0;
 }
 
 int
-syncop_ftruncate (xlator_t *subvol, fd_t *fd, off_t offset, dict_t *xdata_in,
-                  dict_t **xdata_out)
+syncop_ftruncate (xlator_t *subvol, fd_t *fd, off_t offset,
+                  struct iatt *preiatt, struct iatt *postiatt,
+                  dict_t *xdata_in, dict_t **xdata_out)
 {
         struct syncargs args = {0, };
 
         SYNCOP (subvol, (&args), syncop_ftruncate_cbk, subvol->fops->ftruncate,
                 fd, offset, xdata_in);
 
+        if (preiatt)
+                *preiatt = args.iatt1;
+        if (postiatt)
+                *postiatt = args.iatt2;
+
         if (xdata_out)
                 *xdata_out = args.xdata;
         else if (args.xdata)
diff --git a/libglusterfs/src/syncop.h b/libglusterfs/src/syncop.h
index b0052b368b7..7d3afa823e3 100644
--- a/libglusterfs/src/syncop.h
+++ b/libglusterfs/src/syncop.h
@@ -470,6 +470,7 @@ int syncop_readv (xlator_t *subvol, fd_t *fd, size_t size, off_t off,
                   struct iatt *iatt, dict_t *xdata_in, dict_t **xdata_out);
 
 int syncop_ftruncate (xlator_t *subvol, fd_t *fd, off_t offset,
+                      struct iatt *preiatt, struct iatt *postiatt,
                       dict_t *xdata_in, dict_t **xdata_out);
 
 int syncop_truncate (xlator_t *subvol, loc_t *loc, off_t offset,
-- 
cgit