#include <linux/fcntl.h>
#include <linux/stat.h>
#include <linux/mm.h>
-#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/smp_lock.h>
#include <linux/net.h>
+#include <linux/aio.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include "proto.h"
static int
-smb_fsync(struct file *file, struct dentry * dentry, int datasync)
+smb_fsync(struct file *file, int datasync)
{
+ struct dentry *dentry = file->f_path.dentry;
struct smb_sb_info *server = server_from_dentry(dentry);
int result;
smb_readpage(struct file *file, struct page *page)
{
int error;
- struct dentry *dentry = file->f_dentry;
+ struct dentry *dentry = file->f_path.dentry;
page_cache_get(page);
error = smb_readpage_sync(dentry, page);
smb_updatepage(struct file *file, struct page *page, unsigned long offset,
unsigned int count)
{
- struct dentry *dentry = file->f_dentry;
+ struct dentry *dentry = file->f_path.dentry;
DEBUG1("(%s/%s %d@%lld)\n", DENTRY_PATH(dentry), count,
((unsigned long long)page->index << PAGE_CACHE_SHIFT) + offset);
}
static ssize_t
-smb_file_read(struct file * file, char __user * buf, size_t count, loff_t *ppos)
+smb_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
+ unsigned long nr_segs, loff_t pos)
{
- struct dentry * dentry = file->f_dentry;
+ struct file * file = iocb->ki_filp;
+ struct dentry * dentry = file->f_path.dentry;
ssize_t status;
VERBOSE("file %s/%s, count=%lu@%lu\n", DENTRY_PATH(dentry),
- (unsigned long) count, (unsigned long) *ppos);
+ (unsigned long) iocb->ki_left, (unsigned long) pos);
status = smb_revalidate_inode(dentry);
if (status) {
VERBOSE("before read, size=%ld, flags=%x, atime=%ld\n",
(long)dentry->d_inode->i_size,
- dentry->d_inode->i_flags, dentry->d_inode->i_atime);
+ dentry->d_inode->i_flags, dentry->d_inode->i_atime.tv_sec);
- status = generic_file_read(file, buf, count, ppos);
+ status = generic_file_aio_read(iocb, iov, nr_segs, pos);
out:
return status;
}
static int
smb_file_mmap(struct file * file, struct vm_area_struct * vma)
{
- struct dentry * dentry = file->f_dentry;
+ struct dentry * dentry = file->f_path.dentry;
int status;
VERBOSE("file %s/%s, address %lu - %lu\n",
}
static ssize_t
-smb_file_sendfile(struct file *file, loff_t *ppos,
- size_t count, read_actor_t actor, void *target)
+smb_file_splice_read(struct file *file, loff_t *ppos,
+ struct pipe_inode_info *pipe, size_t count,
+ unsigned int flags)
{
- struct dentry *dentry = file->f_dentry;
+ struct dentry *dentry = file->f_path.dentry;
ssize_t status;
- VERBOSE("file %s/%s, pos=%Ld, count=%d\n",
+ VERBOSE("file %s/%s, pos=%Ld, count=%lu\n",
DENTRY_PATH(dentry), *ppos, count);
status = smb_revalidate_inode(dentry);
DENTRY_PATH(dentry), status);
goto out;
}
- status = generic_file_sendfile(file, ppos, count, actor, target);
+ status = generic_file_splice_read(file, ppos, pipe, count, flags);
out:
return status;
}
* If the writer ends up delaying the write, the writer needs to
* increment the page use counts until he is done with the page.
*/
-static int smb_prepare_write(struct file *file, struct page *page,
- unsigned offset, unsigned to)
+static int smb_write_begin(struct file *file, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned flags,
+ struct page **pagep, void **fsdata)
{
+ pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ *pagep = grab_cache_page_write_begin(mapping, index, flags);
+ if (!*pagep)
+ return -ENOMEM;
return 0;
}
-static int smb_commit_write(struct file *file, struct page *page,
- unsigned offset, unsigned to)
+static int smb_write_end(struct file *file, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned copied,
+ struct page *page, void *fsdata)
{
int status;
+ unsigned offset = pos & (PAGE_CACHE_SIZE - 1);
- status = -EFAULT;
lock_kernel();
- status = smb_updatepage(file, page, offset, to-offset);
+ status = smb_updatepage(file, page, offset, copied);
unlock_kernel();
+
+ if (!status) {
+ if (!PageUptodate(page) && copied == PAGE_CACHE_SIZE)
+ SetPageUptodate(page);
+ status = copied;
+ }
+
+ unlock_page(page);
+ page_cache_release(page);
+
return status;
}
-struct address_space_operations smb_file_aops = {
+const struct address_space_operations smb_file_aops = {
.readpage = smb_readpage,
.writepage = smb_writepage,
- .prepare_write = smb_prepare_write,
- .commit_write = smb_commit_write
+ .write_begin = smb_write_begin,
+ .write_end = smb_write_end,
};
/*
* Write to a file (through the page cache).
*/
static ssize_t
-smb_file_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
+smb_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
+ unsigned long nr_segs, loff_t pos)
{
- struct dentry * dentry = file->f_dentry;
+ struct file * file = iocb->ki_filp;
+ struct dentry * dentry = file->f_path.dentry;
ssize_t result;
VERBOSE("file %s/%s, count=%lu@%lu\n",
DENTRY_PATH(dentry),
- (unsigned long) count, (unsigned long) *ppos);
+ (unsigned long) iocb->ki_left, (unsigned long) pos);
result = smb_revalidate_inode(dentry);
if (result) {
if (result)
goto out;
- if (count > 0) {
- result = generic_file_write(file, buf, count, ppos);
+ if (iocb->ki_left > 0) {
+ result = generic_file_aio_write(iocb, iov, nr_segs, pos);
VERBOSE("pos=%ld, size=%ld, mtime=%ld, atime=%ld\n",
(long) file->f_pos, (long) dentry->d_inode->i_size,
- dentry->d_inode->i_mtime, dentry->d_inode->i_atime);
+ dentry->d_inode->i_mtime.tv_sec,
+ dentry->d_inode->i_atime.tv_sec);
}
out:
return result;
smb_file_open(struct inode *inode, struct file * file)
{
int result;
- struct dentry *dentry = file->f_dentry;
+ struct dentry *dentry = file->f_path.dentry;
int smb_mode = (file->f_mode & O_ACCMODE) - 1;
lock_kernel();
* privileges, so we need our own check for this.
*/
static int
-smb_file_permission(struct inode *inode, int mask, struct nameidata *nd)
+smb_file_permission(struct inode *inode, int mask)
{
int mode = inode->i_mode;
int error = 0;
/* Look at user permissions */
mode >>= 6;
- if ((mode & 7 & mask) != mask)
+ if (mask & ~mode & (MAY_READ | MAY_WRITE | MAY_EXEC))
error = -EACCES;
return error;
}
+static loff_t smb_remote_llseek(struct file *file, loff_t offset, int origin)
+{
+ loff_t ret;
+ lock_kernel();
+ ret = generic_file_llseek_unlocked(file, offset, origin);
+ unlock_kernel();
+ return ret;
+}
+
const struct file_operations smb_file_operations =
{
- .llseek = remote_llseek,
- .read = smb_file_read,
- .write = smb_file_write,
- .ioctl = smb_ioctl,
+ .llseek = smb_remote_llseek,
+ .read = do_sync_read,
+ .aio_read = smb_file_aio_read,
+ .write = do_sync_write,
+ .aio_write = smb_file_aio_write,
+ .unlocked_ioctl = smb_ioctl,
.mmap = smb_file_mmap,
.open = smb_file_open,
.release = smb_file_release,
.fsync = smb_fsync,
- .sendfile = smb_file_sendfile,
+ .splice_read = smb_file_splice_read,
};
-struct inode_operations smb_file_inode_operations =
+const struct inode_operations smb_file_inode_operations =
{
.permission = smb_file_permission,
.getattr = smb_getattr,