Removed vmtruncate

Signed-off-by: Marco Stornelli <marco.storne...@gmail.com>
---
 fs/nilfs2/file.c     |    1 -
 fs/nilfs2/inode.c    |   24 +++++++++++++++---------
 fs/nilfs2/nilfs.h    |    1 +
 fs/nilfs2/recovery.c |    3 ++-
 4 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 16f35f7..6194688 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -167,7 +167,6 @@ const struct file_operations nilfs_file_operations = {
 };
 
 const struct inode_operations nilfs_file_inode_operations = {
-       .truncate       = nilfs_truncate,
        .setattr        = nilfs_setattr,
        .permission     = nilfs_permission,
        .fiemap         = nilfs_fiemap,
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 4d31d2c..6b49f14 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -213,6 +213,16 @@ static int nilfs_set_page_dirty(struct page *page)
        return ret;
 }
 
+void nilfs_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);
+               nilfs_truncate(inode);
+       }
+}
+
 static int nilfs_write_begin(struct file *file, struct address_space *mapping,
                             loff_t pos, unsigned len, unsigned flags,
                             struct page **pagep, void **fsdata)
@@ -227,10 +237,7 @@ static int nilfs_write_begin(struct file *file, struct 
address_space *mapping,
        err = block_write_begin(mapping, pos, len, flags, pagep,
                                nilfs_get_block);
        if (unlikely(err)) {
-               loff_t isize = mapping->host->i_size;
-               if (pos + len > isize)
-                       vmtruncate(mapping->host, isize);
-
+               nilfs_write_failed(mapping, pos + len);
                nilfs_transaction_abort(inode->i_sb);
        }
        return err;
@@ -259,6 +266,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct 
iovec *iov,
                loff_t offset, unsigned long nr_segs)
 {
        struct file *file = iocb->ki_filp;
+       struct address_space *mapping = file->f_mapping;
        struct inode *inode = file->f_mapping->host;
        ssize_t size;
 
@@ -278,7 +286,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct 
iovec *iov,
                loff_t end = offset + iov_length(iov, nr_segs);
 
                if (end > isize)
-                       vmtruncate(inode, isize);
+                       nilfs_write_failed(mapping, end);
        }
 
        return size;
@@ -786,10 +794,8 @@ int nilfs_setattr(struct dentry *dentry, struct iattr 
*iattr)
        if ((iattr->ia_valid & ATTR_SIZE) &&
            iattr->ia_size != i_size_read(inode)) {
                inode_dio_wait(inode);
-
-               err = vmtruncate(inode, iattr->ia_size);
-               if (unlikely(err))
-                       goto out_err;
+               truncate_setsize(inode, iattr->ia_size);
+               nilfs_truncate(inode);
        }
 
        setattr_copy(inode, iattr);
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index 74cece8..9bc72de 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -277,6 +277,7 @@ extern void nilfs_update_inode(struct inode *, struct 
buffer_head *);
 extern void nilfs_truncate(struct inode *);
 extern void nilfs_evict_inode(struct inode *);
 extern int nilfs_setattr(struct dentry *, struct iattr *);
+extern void nilfs_write_failed(struct address_space *mapping, loff_t to);
 int nilfs_permission(struct inode *inode, int mask);
 int nilfs_load_inode_block(struct inode *inode, struct buffer_head **pbh);
 extern int nilfs_inode_dirty(struct inode *);
diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index f1626f5..ff00a0b 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -527,7 +527,8 @@ static int nilfs_recover_dsync_blocks(struct the_nilfs 
*nilfs,
                if (unlikely(err)) {
                        loff_t isize = inode->i_size;
                        if (pos + blocksize > isize)
-                               vmtruncate(inode, isize);
+                               nilfs_write_failed(inode->i_mapping,
+                                                       pos + blocksize);
                        goto failed_inode;
                }
 
-- 
1.7.3.4
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