int coda_release(struct inode *coda_inode, struct file *coda_file)
{
unsigned short flags = (coda_file->f_flags) & (~O_EXCL);
unsigned short coda_flags = coda_flags_to_cflags(flags);
struct coda_file_info *cfi;
struct coda_inode_info *cii;
struct inode *host_inode;
int err;
cfi = CODA_FTOC(coda_file);
BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
err = venus_close(coda_inode->i_sb, coda_i2f(coda_inode),
coda_flags, coda_file->f_cred->fsuid);
host_inode = cfi->cfi_container->f_path.dentry->d_inode;
cii = ITOC(coda_inode);
/* did we mmap this file? */
spin_lock(&cii->c_lock);
if (coda_inode->i_mapping == &host_inode->i_data) {
cii->c_mapcount -= cfi->cfi_mapcount;
if (!cii->c_mapcount)
coda_inode->i_mapping = &coda_inode->i_data;
}
spin_unlock(&cii->c_lock);
fput(cfi->cfi_container);
kfree(coda_file->private_data);
coda_file->private_data = NULL;
/* VFS fput ignores the return value from file_operations->release, so
* there is no use returning an error here */
return 0;
}
int coda_release(struct inode *coda_inode, struct file *coda_file)
{
unsigned short flags = (coda_file->f_flags) & (~O_EXCL);
unsigned short coda_flags = coda_flags_to_cflags(flags);
struct coda_file_info *cfi;
struct coda_inode_info *cii;
struct inode *host_inode;
int err = 0;
lock_kernel();
coda_vfs_stat.release++;
if (!use_coda_close) {
err = venus_release(coda_inode->i_sb, coda_i2f(coda_inode),
coda_flags);
if (err == -EOPNOTSUPP) {
use_coda_close = 1;
err = 0;
}
}
cfi = CODA_FTOC(coda_file);
if (!cfi || cfi->cfi_magic != CODA_MAGIC) BUG();
if (use_coda_close)
err = venus_close(coda_inode->i_sb, coda_i2f(coda_inode),
coda_flags, &cfi->cfi_cred);
host_inode = cfi->cfi_container->f_dentry->d_inode;
cii = ITOC(coda_inode);
/* did we mmap this file? */
if (coda_inode->i_mapping == &host_inode->i_data) {
cii->c_mapcount -= cfi->cfi_mapcount;
if (!cii->c_mapcount)
coda_inode->i_mapping = &coda_inode->i_data;
}
fput(cfi->cfi_container);
kfree(coda_file->private_data);
coda_file->private_data = NULL;
unlock_kernel();
return err;
}
int coda_release(struct inode *i, struct file *f)
{
unsigned short flags = (f->f_flags) & (~O_EXCL);
unsigned short cflags = coda_flags_to_cflags(flags);
struct coda_inode_info *cii;
struct file *cfile;
int err = 0;
lock_kernel();
coda_vfs_stat.release++;
if (!use_coda_close) {
err = venus_release(i->i_sb, coda_i2f(i), cflags);
if (err == -EOPNOTSUPP) {
use_coda_close = 1;
err = 0;
}
}
if (use_coda_close)
err = venus_close(i->i_sb, coda_i2f(i), cflags,
(struct coda_cred *)f->private_data);
cii = ITOC(i);
cfile = cii->c_container;
if (!cfile) BUG();
if (--cii->c_contcount) {
unlock_kernel();
return err;
}
i->i_mapping = &i->i_data;
fput(cfile);
cii->c_container = NULL;
if (f->private_data) {
kfree(f->private_data);
f->private_data = NULL;
}
unlock_kernel();
return err;
}