*
* adding & removing files & directories
*/
-
+#include <linux/sched.h>
+#include <linux/smp_lock.h>
#include "hpfs_fn.h"
static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
if (dee.read_only)
result->i_mode &= ~0222;
- down(&hpfs_i(dir)->i_sem);
+ mutex_lock(&hpfs_i(dir)->i_mutex);
r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
if (r == 1)
goto bail3;
brelse(bh);
hpfs_mark_4buffers_dirty(&qbh0);
hpfs_brelse4(&qbh0);
- dir->i_nlink++;
+ inc_nlink(dir);
insert_inode_hash(result);
- if (result->i_uid != current->fsuid ||
- result->i_gid != current->fsgid ||
+ if (result->i_uid != current_fsuid() ||
+ result->i_gid != current_fsgid() ||
result->i_mode != (mode | S_IFDIR)) {
- result->i_uid = current->fsuid;
- result->i_gid = current->fsgid;
+ result->i_uid = current_fsuid();
+ result->i_gid = current_fsgid();
result->i_mode = mode | S_IFDIR;
hpfs_write_inode_nolock(result);
}
d_instantiate(dentry, result);
- up(&hpfs_i(dir)->i_sem);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
unlock_kernel();
return 0;
bail3:
- up(&hpfs_i(dir)->i_sem);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
iput(result);
bail2:
hpfs_brelse4(&qbh0);
result->i_data.a_ops = &hpfs_aops;
hpfs_i(result)->mmu_private = 0;
- down(&hpfs_i(dir)->i_sem);
+ mutex_lock(&hpfs_i(dir)->i_mutex);
r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
if (r == 1)
goto bail2;
insert_inode_hash(result);
- if (result->i_uid != current->fsuid ||
- result->i_gid != current->fsgid ||
+ if (result->i_uid != current_fsuid() ||
+ result->i_gid != current_fsgid() ||
result->i_mode != (mode | S_IFREG)) {
- result->i_uid = current->fsuid;
- result->i_gid = current->fsgid;
+ result->i_uid = current_fsuid();
+ result->i_gid = current_fsgid();
result->i_mode = mode | S_IFREG;
hpfs_write_inode_nolock(result);
}
d_instantiate(dentry, result);
- up(&hpfs_i(dir)->i_sem);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
unlock_kernel();
return 0;
bail2:
- up(&hpfs_i(dir)->i_sem);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
iput(result);
bail1:
brelse(bh);
result->i_mtime.tv_nsec = 0;
result->i_atime.tv_nsec = 0;
hpfs_i(result)->i_ea_size = 0;
- result->i_uid = current->fsuid;
- result->i_gid = current->fsgid;
+ result->i_uid = current_fsuid();
+ result->i_gid = current_fsgid();
result->i_nlink = 1;
result->i_size = 0;
result->i_blocks = 1;
init_special_inode(result, mode, rdev);
- down(&hpfs_i(dir)->i_sem);
+ mutex_lock(&hpfs_i(dir)->i_mutex);
r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
if (r == 1)
goto bail2;
hpfs_write_inode_nolock(result);
d_instantiate(dentry, result);
- up(&hpfs_i(dir)->i_sem);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
brelse(bh);
unlock_kernel();
return 0;
bail2:
- up(&hpfs_i(dir)->i_sem);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
iput(result);
bail1:
brelse(bh);
result->i_atime.tv_nsec = 0;
hpfs_i(result)->i_ea_size = 0;
result->i_mode = S_IFLNK | 0777;
- result->i_uid = current->fsuid;
- result->i_gid = current->fsgid;
+ result->i_uid = current_fsuid();
+ result->i_gid = current_fsgid();
result->i_blocks = 1;
result->i_nlink = 1;
result->i_size = strlen(symlink);
result->i_op = &page_symlink_inode_operations;
result->i_data.a_ops = &hpfs_symlink_aops;
- down(&hpfs_i(dir)->i_sem);
+ mutex_lock(&hpfs_i(dir)->i_mutex);
r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
if (r == 1)
goto bail2;
hpfs_write_inode_nolock(result);
d_instantiate(dentry, result);
- up(&hpfs_i(dir)->i_sem);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
unlock_kernel();
return 0;
bail2:
- up(&hpfs_i(dir)->i_sem);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
iput(result);
bail1:
brelse(bh);
lock_kernel();
hpfs_adjust_length((char *)name, &len);
again:
- down(&hpfs_i(inode)->i_parent);
- down(&hpfs_i(dir)->i_sem);
+ mutex_lock(&hpfs_i(inode)->i_parent_mutex);
+ mutex_lock(&hpfs_i(dir)->i_mutex);
err = -ENOENT;
de = map_dirent(dir, hpfs_i(dir)->i_dno, (char *)name, len, &dno, &qbh);
if (!de)
if (rep++)
break;
- up(&hpfs_i(dir)->i_sem);
- up(&hpfs_i(inode)->i_parent);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
+ mutex_unlock(&hpfs_i(inode)->i_parent_mutex);
d_drop(dentry);
spin_lock(&dentry->d_lock);
if (atomic_read(&dentry->d_count) > 1 ||
- permission(inode, MAY_WRITE, NULL) ||
+ generic_permission(inode, MAY_WRITE, NULL) ||
!S_ISREG(inode->i_mode) ||
get_write_access(inode)) {
spin_unlock(&dentry->d_lock);
unlock_kernel();
return -ENOSPC;
default:
- inode->i_nlink--;
+ drop_nlink(inode);
err = 0;
}
goto out;
out1:
hpfs_brelse4(&qbh);
out:
- up(&hpfs_i(dir)->i_sem);
- up(&hpfs_i(inode)->i_parent);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
+ mutex_unlock(&hpfs_i(inode)->i_parent_mutex);
unlock_kernel();
return err;
}
hpfs_adjust_length((char *)name, &len);
lock_kernel();
- down(&hpfs_i(inode)->i_parent);
- down(&hpfs_i(dir)->i_sem);
+ mutex_lock(&hpfs_i(inode)->i_parent_mutex);
+ mutex_lock(&hpfs_i(dir)->i_mutex);
err = -ENOENT;
de = map_dirent(dir, hpfs_i(dir)->i_dno, (char *)name, len, &dno, &qbh);
if (!de)
err = -ENOSPC;
break;
default:
- dir->i_nlink--;
- inode->i_nlink = 0;
+ drop_nlink(dir);
+ clear_nlink(inode);
err = 0;
}
goto out;
out1:
hpfs_brelse4(&qbh);
out:
- up(&hpfs_i(dir)->i_sem);
- up(&hpfs_i(inode)->i_parent);
+ mutex_unlock(&hpfs_i(dir)->i_mutex);
+ mutex_unlock(&hpfs_i(inode)->i_parent_mutex);
unlock_kernel();
return err;
}
return err;
}
-struct address_space_operations hpfs_symlink_aops = {
+const struct address_space_operations hpfs_symlink_aops = {
.readpage = hpfs_symlink_readpage
};
lock_kernel();
/* order doesn't matter, due to VFS exclusion */
- down(&hpfs_i(i)->i_parent);
+ mutex_lock(&hpfs_i(i)->i_parent_mutex);
if (new_inode)
- down(&hpfs_i(new_inode)->i_parent);
- down(&hpfs_i(old_dir)->i_sem);
+ mutex_lock(&hpfs_i(new_inode)->i_parent_mutex);
+ mutex_lock(&hpfs_i(old_dir)->i_mutex);
if (new_dir != old_dir)
- down(&hpfs_i(new_dir)->i_sem);
+ mutex_lock(&hpfs_i(new_dir)->i_mutex);
/* Erm? Moving over the empty non-busy directory is perfectly legal */
if (new_inode && S_ISDIR(new_inode->i_mode)) {
int r;
if ((r = hpfs_remove_dirent(old_dir, dno, dep, &qbh, 1)) != 2) {
if ((nde = map_dirent(new_dir, hpfs_i(new_dir)->i_dno, (char *)new_name, new_len, NULL, &qbh1))) {
- new_inode->i_nlink = 0;
+ clear_nlink(new_inode);
copy_de(nde, &de);
memcpy(nde->name, new_name, new_len);
hpfs_mark_4buffers_dirty(&qbh1);
end:
hpfs_i(i)->i_parent_dir = new_dir->i_ino;
if (S_ISDIR(i->i_mode)) {
- new_dir->i_nlink++;
- old_dir->i_nlink--;
+ inc_nlink(new_dir);
+ drop_nlink(old_dir);
}
if ((fnode = hpfs_map_fnode(i->i_sb, i->i_ino, &bh))) {
fnode->up = new_dir->i_ino;
hpfs_decide_conv(i, (char *)new_name, new_len);
end1:
if (old_dir != new_dir)
- up(&hpfs_i(new_dir)->i_sem);
- up(&hpfs_i(old_dir)->i_sem);
- up(&hpfs_i(i)->i_parent);
+ mutex_unlock(&hpfs_i(new_dir)->i_mutex);
+ mutex_unlock(&hpfs_i(old_dir)->i_mutex);
+ mutex_unlock(&hpfs_i(i)->i_parent_mutex);
if (new_inode)
- up(&hpfs_i(new_inode)->i_parent);
+ mutex_unlock(&hpfs_i(new_inode)->i_parent_mutex);
unlock_kernel();
return err;
}
-struct inode_operations hpfs_dir_iops =
+const struct inode_operations hpfs_dir_iops =
{
.create = hpfs_create,
.lookup = hpfs_lookup,
.rmdir = hpfs_rmdir,
.mknod = hpfs_mknod,
.rename = hpfs_rename,
- .setattr = hpfs_notify_change,
+ .setattr = hpfs_setattr,
};