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nilfs2: drop vmtruncate 

Removed vmtruncate

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Marco Stornelli 2012-12-15 11:57:37 +01:00 committed by Al Viro
parent 3e7a806928
commit 2d1b399b22
4 changed files with 18 additions and 11 deletions
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1
fs/nilfs2/file.c
View File

@ -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,

24
fs/nilfs2/inode.c
View File

@ -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);

1
fs/nilfs2/nilfs.h
View File

@ -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 *);

3
fs/nilfs2/recovery.c
View File

@ -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;
}