From 2d1b399b22a8042edbaf41b1f2086d4183422ce4 Mon Sep 17 00:00:00 2001 From: Marco Stornelli Date: Sat, 15 Dec 2012 11:57:37 +0100 Subject: nilfs2: drop vmtruncate Removed vmtruncate Signed-off-by: Marco Stornelli Signed-off-by: Al Viro --- fs/nilfs2/inode.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) (limited to 'fs/nilfs2/inode.c') diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index 4d31d2cca7f..6b49f14eac8 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); -- cgit v1.2.3