truncate: drop 'oldsize' truncate_pagecache() parameter

truncate_pagecache() doesn't care about old size since commit
cedabed49b39 ("vfs: Fix vmtruncate() regression").  Let's drop it.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

28 files changed, 31 insertions, 44 deletions

diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c
index 5f95d1ed9c6d..b9acadafa4a1 100644
--- a/fs/adfs/inode.c
+++ b/fs/adfs/inode.c
@@ -50,7 +50,7 @@ static void adfs_write_failed(struct address_space *mapping, loff_t to)
         struct inode *inode = mapping->host;
 
         if (to > inode->i_size)
-                truncate_pagecache(inode, to, inode->i_size);
+                truncate_pagecache(inode, inode->i_size);
 }
 
 static int adfs_write_begin(struct file *file, struct address_space *mapping,
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 776e3935a758..8669b6ecddee 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -406,7 +406,7 @@ static void affs_write_failed(struct address_space *mapping, loff_t to)
         struct inode *inode = mapping->host;
 
         if (to > inode->i_size) {
-                truncate_pagecache(inode, to, inode->i_size);
+                truncate_pagecache(inode, inode->i_size);
                 affs_truncate(inode);
         }
 }
diff --git a/fs/bfs/file.c b/fs/bfs/file.c
index ad3ea1497cc3..ae2892218335 100644
--- a/fs/bfs/file.c
+++ b/fs/bfs/file.c
@@ -166,7 +166,7 @@ static void bfs_write_failed(struct address_space *mapping, loff_t to)
         struct inode *inode = mapping->host;
 
         if (to > inode->i_size)
-                truncate_pagecache(inode, to, inode->i_size);
+                truncate_pagecache(inode, inode->i_size);
 }
 
 static int bfs_write_begin(struct file *file, struct address_space *mapping,
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index b21a3cd667d8..256d9597f0cf 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -221,12 +221,10 @@ int btrfs_truncate_free_space_cache(struct btrfs_root *root,
                                     struct btrfs_path *path,
                                     struct inode *inode)
 {
-        loff_t oldsize;
         int ret = 0;
 
-        oldsize = i_size_read(inode);
         btrfs_i_size_write(inode, 0);
-        truncate_pagecache(inode, oldsize, 0);
+        truncate_pagecache(inode, 0);
 
         /*
          * We don't need an orphan item because truncating the free space cache
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 7bdc83d04d54..82fdd7059d10 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4409,7 +4409,7 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
                 inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb);
 
         if (newsize > oldsize) {
-                truncate_pagecache(inode, oldsize, newsize);
+                truncate_pagecache(inode, newsize);
                 ret = btrfs_cont_expand(inode, oldsize, newsize);
                 if (ret)
                         return ret;
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 449b6cf09b09..2a92c5c6ecfd 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1852,14 +1852,11 @@ static int cifs_truncate_page(struct address_space *mapping, loff_t from)
 
 static void cifs_setsize(struct inode *inode, loff_t offset)
 {
-        loff_t oldsize;
-
         spin_lock(&inode->i_lock);
-        oldsize = inode->i_size;
         i_size_write(inode, offset);
         spin_unlock(&inode->i_lock);
 
-        truncate_pagecache(inode, oldsize, offset);
+        truncate_pagecache(inode, offset);
 }
 
 static int
diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index 2ec8eb1ab269..a52a5d23c30b 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -861,7 +861,7 @@ static int exofs_writepage(struct page *page, struct writeback_control *wbc)
 static void _write_failed(struct inode *inode, loff_t to)
 {
         if (to > inode->i_size)
-                truncate_pagecache(inode, to, inode->i_size);
+                truncate_pagecache(inode, inode->i_size);
 }
 
 int exofs_write_begin(struct file *file, struct address_space *mapping,
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 0a87bb10998d..c260de6d7b6d 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -58,7 +58,7 @@ static void ext2_write_failed(struct address_space *mapping, loff_t to)
         struct inode *inode = mapping->host;
 
         if (to > inode->i_size) {
-                truncate_pagecache(inode, to, inode->i_size);
+                truncate_pagecache(inode, inode->i_size);
                 ext2_truncate_blocks(inode, inode->i_size);
         }
 }
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index c79fd7dabe79..0d424d7ac02b 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4587,7 +4587,6 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 
         if (attr->ia_valid & ATTR_SIZE && attr->ia_size != inode->i_size) {
                 handle_t *handle;
-                loff_t oldsize = inode->i_size;
 
                 if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) {
                         struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
@@ -4650,7 +4649,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
                  * Truncate pagecache after we've waited for commit
                  * in data=journal mode to make pages freeable.
                  */
-                truncate_pagecache(inode, oldsize, inode->i_size);
+                        truncate_pagecache(inode, inode->i_size);
         }
         /*
          * We want to call ext4_truncate() even if attr->ia_size ==
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 11b51bb55b42..0062da21dd8b 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -147,7 +147,7 @@ static void fat_write_failed(struct address_space *mapping, loff_t to)
         struct inode *inode = mapping->host;
 
         if (to > inode->i_size) {
-                truncate_pagecache(inode, to, inode->i_size);
+                truncate_pagecache(inode, inode->i_size);
                 fat_truncate_blocks(inode, inode->i_size);
         }