#include <linux/coda_psdev.h>
#include <linux/coda_proc.h>
+#include "coda_int.h"
+
/* if CODA_STORE fails with EOPNOTSUPP, venus clearly doesn't support
* CODA_STORE/CODA_RELEASE and we fall back on using the CODA_CLOSE upcall */
-int use_coda_close;
+static int use_coda_close;
static ssize_t
-coda_file_read(struct file *coda_file, char *buf, size_t count, loff_t *ppos)
+coda_file_read(struct file *coda_file, char __user *buf, size_t count, loff_t *ppos)
{
struct coda_file_info *cfi;
struct file *host_file;
}
static ssize_t
-coda_file_write(struct file *coda_file, const char *buf, size_t count, loff_t *ppos)
+coda_file_sendfile(struct file *coda_file, loff_t *ppos, size_t count,
+ read_actor_t actor, void *target)
+{
+ struct coda_file_info *cfi;
+ struct file *host_file;
+
+ cfi = CODA_FTOC(coda_file);
+ BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
+ host_file = cfi->cfi_container;
+
+ if (!host_file->f_op || !host_file->f_op->sendfile)
+ return -EINVAL;
+
+ return host_file->f_op->sendfile(host_file, ppos, count, actor, target);
+}
+
+static ssize_t
+coda_file_write(struct file *coda_file, const char __user *buf, size_t count, loff_t *ppos)
{
- struct inode *host_inode, *coda_inode = coda_file->f_dentry->d_inode;
+ struct inode *host_inode, *coda_inode = coda_file->f_path.dentry->d_inode;
struct coda_file_info *cfi;
struct file *host_file;
ssize_t ret;
if (!host_file->f_op || !host_file->f_op->write)
return -EINVAL;
- host_inode = host_file->f_dentry->d_inode;
- down(&coda_inode->i_sem);
+ host_inode = host_file->f_path.dentry->d_inode;
+ mutex_lock(&coda_inode->i_mutex);
ret = host_file->f_op->write(host_file, buf, count, ppos);
coda_inode->i_size = host_inode->i_size;
coda_inode->i_blocks = (coda_inode->i_size + 511) >> 9;
- coda_inode->i_mtime = coda_inode->i_ctime = CURRENT_TIME;
- up(&coda_inode->i_sem);
+ coda_inode->i_mtime = coda_inode->i_ctime = CURRENT_TIME_SEC;
+ mutex_unlock(&coda_inode->i_mutex);
return ret;
}
if (!host_file->f_op || !host_file->f_op->mmap)
return -ENODEV;
- coda_inode = coda_file->f_dentry->d_inode;
- host_inode = host_file->f_dentry->d_inode;
+ coda_inode = coda_file->f_path.dentry->d_inode;
+ host_inode = host_file->f_path.dentry->d_inode;
coda_file->f_mapping = host_file->f_mapping;
if (coda_inode->i_mapping == &coda_inode->i_data)
coda_inode->i_mapping = host_inode->i_mapping;
coda_vfs_stat.open++;
cfi = kmalloc(sizeof(struct coda_file_info), GFP_KERNEL);
- if (!cfi) {
- unlock_kernel();
+ if (!cfi)
return -ENOMEM;
- }
lock_kernel();
return 0;
}
-int coda_flush(struct file *coda_file)
+int coda_flush(struct file *coda_file, fl_owner_t id)
{
unsigned short flags = coda_file->f_flags & ~O_EXCL;
unsigned short coda_flags = coda_flags_to_cflags(flags);
cfi = CODA_FTOC(coda_file);
BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
- coda_inode = coda_file->f_dentry->d_inode;
+ coda_inode = coda_file->f_path.dentry->d_inode;
err = venus_store(coda_inode->i_sb, coda_i2f(coda_inode), coda_flags,
coda_file->f_uid);
err = venus_close(coda_inode->i_sb, coda_i2f(coda_inode),
coda_flags, coda_file->f_uid);
- host_inode = cfi->cfi_container->f_dentry->d_inode;
+ host_inode = cfi->cfi_container->f_path.dentry->d_inode;
cii = ITOC(coda_inode);
/* did we mmap this file? */
coda_vfs_stat.fsync++;
if (host_file->f_op && host_file->f_op->fsync) {
- host_dentry = host_file->f_dentry;
+ host_dentry = host_file->f_path.dentry;
host_inode = host_dentry->d_inode;
- down(&host_inode->i_sem);
+ mutex_lock(&host_inode->i_mutex);
err = host_file->f_op->fsync(host_file, host_dentry, datasync);
- up(&host_inode->i_sem);
+ mutex_unlock(&host_inode->i_mutex);
}
if ( !err && !datasync ) {
return err;
}
-struct file_operations coda_file_operations = {
+const struct file_operations coda_file_operations = {
.llseek = generic_file_llseek,
.read = coda_file_read,
.write = coda_file_write,
.flush = coda_flush,
.release = coda_release,
.fsync = coda_fsync,
+ .sendfile = coda_file_sendfile,
};