* PURPOSE
* File handling routines for the OSTA-UDF(tm) filesystem.
*
- * CONTACTS
- * E-mail regarding any portion of the Linux UDF file system should be
- * directed to the development team mailing list (run by majordomo):
- * linux_udf@hpesjro.fc.hp.com
- *
* COPYRIGHT
* This file is distributed under the terms of the GNU General Public
* License (GPL). Copies of the GPL can be obtained from:
#include <asm/uaccess.h>
#include <linux/kernel.h>
#include <linux/string.h> /* memset */
+#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/smp_lock.h>
#include <linux/pagemap.h>
struct inode *inode = page->mapping->host;
char *kaddr;
- if (!PageLocked(page))
- PAGE_BUG(page);
+ BUG_ON(!PageLocked(page));
kaddr = kmap(page);
memset(kaddr, 0, PAGE_CACHE_SIZE);
struct inode *inode = page->mapping->host;
char *kaddr;
- if (!PageLocked(page))
- PAGE_BUG(page);
+ BUG_ON(!PageLocked(page));
kaddr = kmap(page);
memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), kaddr, inode->i_size);
return 0;
}
-struct address_space_operations udf_adinicb_aops = {
+const struct address_space_operations udf_adinicb_aops = {
.readpage = udf_adinicb_readpage,
.writepage = udf_adinicb_writepage,
.sync_page = block_sync_page,
.commit_write = udf_adinicb_commit_write,
};
-static ssize_t udf_file_write(struct file * file, const char __user * buf,
- size_t count, loff_t *ppos)
+static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
+ unsigned long nr_segs, loff_t ppos)
{
ssize_t retval;
- struct inode *inode = file->f_dentry->d_inode;
+ struct file *file = iocb->ki_filp;
+ struct inode *inode = file->f_path.dentry->d_inode;
int err, pos;
+ size_t count = iocb->ki_left;
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
{
if (file->f_flags & O_APPEND)
pos = inode->i_size;
else
- pos = *ppos;
+ pos = ppos;
if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) +
pos + count))
}
}
- retval = generic_file_write(file, buf, count, ppos);
+ retval = generic_file_aio_write(iocb, iov, nr_segs, ppos);
if (retval > 0)
mark_inode_dirty(inode);
{
int result = -EINVAL;
- if ( permission(inode, MAY_READ, NULL) != 0 )
+ if ( file_permission(filp, MAY_READ) != 0 )
{
udf_debug("no permission to access inode %lu\n",
inode->i_ino);
return 0;
}
-/*
- * udf_open_file
- *
- * PURPOSE
- * Called when an inode is about to be open.
- *
- * DESCRIPTION
- * Use this to disallow opening RW large files on 32 bit systems.
- * On 64 bit systems we force on O_LARGEFILE in sys_open.
- *
- * HISTORY
- *
- */
-static int udf_open_file(struct inode * inode, struct file * filp)
-{
- if ((inode->i_size & 0xFFFFFFFF80000000ULL) && !(filp->f_flags & O_LARGEFILE))
- return -EFBIG;
- return 0;
-}
-
-struct file_operations udf_file_operations = {
- .read = generic_file_read,
+const struct file_operations udf_file_operations = {
+ .read = do_sync_read,
+ .aio_read = generic_file_aio_read,
.ioctl = udf_ioctl,
- .open = udf_open_file,
+ .open = generic_file_open,
.mmap = generic_file_mmap,
- .write = udf_file_write,
+ .write = do_sync_write,
+ .aio_write = udf_file_aio_write,
.release = udf_release_file,
.fsync = udf_fsync_file,
.sendfile = generic_file_sendfile,