static int reiserfs_create (struct inode * dir, struct dentry *dentry, int mode,
struct nameidata *nd)
{
int retval;
struct inode * inode;
int jbegin_count = JOURNAL_PER_BALANCE_CNT * 2 ;
struct reiserfs_transaction_handle th ;
int locked;
if (!(inode = new_inode(dir->i_sb))) {
return -ENOMEM ;
}
retval = new_inode_init(inode, dir, mode);
if (retval)
return retval;
locked = reiserfs_cache_default_acl (dir);
reiserfs_write_lock(dir->i_sb);
if (locked)
reiserfs_write_lock_xattrs (dir->i_sb);
journal_begin(&th, dir->i_sb, jbegin_count) ;
retval = reiserfs_new_inode (&th, dir, mode, 0, 0/*i_size*/, dentry, inode);
if (locked)
reiserfs_write_unlock_xattrs (dir->i_sb);
if (retval) {
goto out_failed;
}
inode->i_op = &reiserfs_file_inode_operations;
inode->i_fop = &reiserfs_file_operations;
inode->i_mapping->a_ops = &reiserfs_address_space_operations ;
retval = reiserfs_add_entry (&th, dir, dentry->d_name.name, dentry->d_name.len,
inode, 1/*visible*/);
if (retval) {
inode->i_nlink--;
reiserfs_update_sd (&th, inode);
journal_end(&th, dir->i_sb, jbegin_count) ;
iput (inode);
goto out_failed;
}
reiserfs_update_inode_transaction(inode) ;
reiserfs_update_inode_transaction(dir) ;
d_instantiate(dentry, inode);
journal_end(&th, dir->i_sb, jbegin_count) ;
out_failed:
reiserfs_write_unlock(dir->i_sb);
return retval;
}
int
reiserfs_acl_chmod (struct inode *inode)
{
struct posix_acl *acl, *clone;
int error;
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
if (get_inode_sd_version (inode) == STAT_DATA_V1 ||
!reiserfs_posixacl(inode->i_sb))
{
return 0;
}
reiserfs_read_lock_xattrs (inode->i_sb);
acl = reiserfs_get_acl(inode, ACL_TYPE_ACCESS);
reiserfs_read_unlock_xattrs (inode->i_sb);
if (!acl)
return 0;
if (IS_ERR(acl))
return PTR_ERR(acl);
clone = posix_acl_clone(acl, GFP_NOFS);
posix_acl_release(acl);
if (!clone)
return -ENOMEM;
error = posix_acl_chmod_masq(clone, inode->i_mode);
if (!error) {
int lock = !has_xattr_dir (inode);
reiserfs_write_lock_xattr_i (inode);
if (lock)
reiserfs_write_lock_xattrs (inode->i_sb);
else
reiserfs_read_lock_xattrs (inode->i_sb);
error = reiserfs_set_acl(inode, ACL_TYPE_ACCESS, clone);
if (lock)
reiserfs_write_unlock_xattrs (inode->i_sb);
else
reiserfs_read_unlock_xattrs (inode->i_sb);
reiserfs_write_unlock_xattr_i (inode);
}
posix_acl_release(clone);
return error;
}
static int reiserfs_mkdir (struct inode * dir, struct dentry *dentry, int mode)
{
int retval;
struct inode * inode;
struct reiserfs_transaction_handle th ;
/* We need blocks for transaction + (user+group)*(quotas for new inode + update of quota for directory owner) */
int jbegin_count = JOURNAL_PER_BALANCE_CNT * 3 + 2 * (REISERFS_QUOTA_INIT_BLOCKS+REISERFS_QUOTA_TRANS_BLOCKS);
int locked;
#ifdef DISPLACE_NEW_PACKING_LOCALITIES
/* set flag that new packing locality created and new blocks for the content * of that directory are not displaced yet */
REISERFS_I(dir)->new_packing_locality = 1;
#endif
mode = S_IFDIR | mode;
if (!(inode = new_inode(dir->i_sb))) {
return -ENOMEM ;
}
new_inode_init(inode, dir, mode);
locked = reiserfs_cache_default_acl (dir);
reiserfs_write_lock(dir->i_sb);
if (locked)
reiserfs_write_lock_xattrs (dir->i_sb);
retval = journal_begin(&th, dir->i_sb, jbegin_count) ;
if (retval) {
drop_new_inode (inode);
goto out_failed;
}
/* inc the link count now, so another writer doesn't overflow it while
** we sleep later on.
*/
INC_DIR_INODE_NLINK(dir)
retval = reiserfs_new_inode (&th, dir, mode, NULL/*symlink*/,
old_format_only (dir->i_sb) ?
EMPTY_DIR_SIZE_V1 : EMPTY_DIR_SIZE,
dentry, inode);
if (retval) {
dir->i_nlink-- ;
goto out_failed;
}
if (locked) {
reiserfs_write_unlock_xattrs (dir->i_sb);
locked = 0;
}
reiserfs_update_inode_transaction(inode) ;
reiserfs_update_inode_transaction(dir) ;
inode->i_op = &reiserfs_dir_inode_operations;
inode->i_fop = &reiserfs_dir_operations;
// note, _this_ add_entry will not update dir's stat data
retval = reiserfs_add_entry (&th, dir, dentry->d_name.name, dentry->d_name.len,
inode, 1/*visible*/);
if (retval) {
int err;
inode->i_nlink = 0;
DEC_DIR_INODE_NLINK(dir);
reiserfs_update_sd (&th, inode);
err = journal_end(&th, dir->i_sb, jbegin_count) ;
if (err)
retval = err;
iput (inode);
goto out_failed;
}
// the above add_entry did not update dir's stat data
reiserfs_update_sd (&th, dir);
d_instantiate(dentry, inode);
retval = journal_end(&th, dir->i_sb, jbegin_count) ;
out_failed:
if (locked)
reiserfs_write_unlock_xattrs (dir->i_sb);
reiserfs_write_unlock(dir->i_sb);
return retval;
}
static int reiserfs_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t rdev)
{
int retval;
struct inode * inode;
struct reiserfs_transaction_handle th ;
/* We need blocks for transaction + (user+group)*(quotas for new inode + update of quota for directory owner) */
int jbegin_count = JOURNAL_PER_BALANCE_CNT * 3 + 2 * (REISERFS_QUOTA_INIT_BLOCKS+REISERFS_QUOTA_TRANS_BLOCKS);
int locked;
if (!new_valid_dev(rdev))
return -EINVAL;
if (!(inode = new_inode(dir->i_sb))) {
return -ENOMEM ;
}
new_inode_init(inode, dir, mode);
locked = reiserfs_cache_default_acl (dir);
reiserfs_write_lock(dir->i_sb);
if (locked)
reiserfs_write_lock_xattrs (dir->i_sb);
retval = journal_begin(&th, dir->i_sb, jbegin_count) ;
if (retval) {
drop_new_inode (inode);
goto out_failed;
}
retval = reiserfs_new_inode (&th, dir, mode, NULL, 0/*i_size*/, dentry, inode);
if (retval) {
goto out_failed;
}
if (locked) {
reiserfs_write_unlock_xattrs (dir->i_sb);
locked = 0;
}
inode->i_op = &reiserfs_special_inode_operations;
init_special_inode(inode, inode->i_mode, rdev) ;
//FIXME: needed for block and char devices only
reiserfs_update_sd (&th, inode);
reiserfs_update_inode_transaction(inode) ;
reiserfs_update_inode_transaction(dir) ;
retval = reiserfs_add_entry (&th, dir, dentry->d_name.name, dentry->d_name.len,
inode, 1/*visible*/);
if (retval) {
int err;
inode->i_nlink--;
reiserfs_update_sd (&th, inode);
err = journal_end(&th, dir->i_sb, jbegin_count) ;
if (err)
retval = err;
iput (inode);
goto out_failed;
}
d_instantiate(dentry, inode);
retval = journal_end(&th, dir->i_sb, jbegin_count) ;
out_failed:
if (locked)
reiserfs_write_unlock_xattrs (dir->i_sb);
reiserfs_write_unlock(dir->i_sb);
return retval;
}
static int reiserfs_create (struct inode * dir, struct dentry *dentry, int mode,
struct nameidata *nd)
{
int retval;
struct inode * inode;
/* We need blocks for transaction + (user+group)*(quotas for new inode + update of quota for directory owner) */
int jbegin_count = JOURNAL_PER_BALANCE_CNT * 2 + 2 * (REISERFS_QUOTA_INIT_BLOCKS+REISERFS_QUOTA_TRANS_BLOCKS);
struct reiserfs_transaction_handle th ;
int locked;
if (!(inode = new_inode(dir->i_sb))) {
return -ENOMEM ;
}
new_inode_init(inode, dir, mode);
locked = reiserfs_cache_default_acl (dir);
reiserfs_write_lock(dir->i_sb);
if (locked)
reiserfs_write_lock_xattrs (dir->i_sb);
retval = journal_begin(&th, dir->i_sb, jbegin_count);
if (retval) {
drop_new_inode (inode);
goto out_failed;
}
retval = reiserfs_new_inode (&th, dir, mode, NULL, 0/*i_size*/, dentry, inode);
if (retval)
goto out_failed;
if (locked) {
reiserfs_write_unlock_xattrs (dir->i_sb);
locked = 0;
}
inode->i_op = &reiserfs_file_inode_operations;
inode->i_fop = &reiserfs_file_operations;
inode->i_mapping->a_ops = &reiserfs_address_space_operations ;
retval = reiserfs_add_entry (&th, dir, dentry->d_name.name, dentry->d_name.len,
inode, 1/*visible*/);
if (retval) {
int err;
inode->i_nlink--;
reiserfs_update_sd (&th, inode);
err = journal_end(&th, dir->i_sb, jbegin_count) ;
if (err)
retval = err;
iput (inode);
goto out_failed;
}
reiserfs_update_inode_transaction(inode) ;
reiserfs_update_inode_transaction(dir) ;
d_instantiate(dentry, inode);
retval = journal_end(&th, dir->i_sb, jbegin_count) ;
out_failed:
if (locked)
reiserfs_write_unlock_xattrs (dir->i_sb);
reiserfs_write_unlock(dir->i_sb);
return retval;
}
static int reiserfs_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t rdev)
{
int retval;
struct inode * inode;
struct reiserfs_transaction_handle th ;
int jbegin_count = JOURNAL_PER_BALANCE_CNT * 3;
int locked;
if (!new_valid_dev(rdev))
return -EINVAL;
if (!(inode = new_inode(dir->i_sb))) {
return -ENOMEM ;
}
retval = new_inode_init(inode, dir, mode);
if (retval)
return retval;
locked = reiserfs_cache_default_acl (dir);
reiserfs_write_lock(dir->i_sb);
if (locked)
reiserfs_write_lock_xattrs (dir->i_sb);
journal_begin(&th, dir->i_sb, jbegin_count) ;
retval = reiserfs_new_inode (&th, dir, mode, 0, 0/*i_size*/, dentry, inode);
if (locked)
reiserfs_write_unlock_xattrs (dir->i_sb);
if (retval) {
goto out_failed;
}
inode->i_op = &reiserfs_special_inode_operations;
init_special_inode(inode, inode->i_mode, rdev) ;
//FIXME: needed for block and char devices only
reiserfs_update_sd (&th, inode);
reiserfs_update_inode_transaction(inode) ;
reiserfs_update_inode_transaction(dir) ;
retval = reiserfs_add_entry (&th, dir, dentry->d_name.name, dentry->d_name.len,
inode, 1/*visible*/);
if (retval) {
inode->i_nlink--;
reiserfs_update_sd (&th, inode);
journal_end(&th, dir->i_sb, jbegin_count) ;
iput (inode);
goto out_failed;
}
d_instantiate(dentry, inode);
journal_end(&th, dir->i_sb, jbegin_count) ;
out_failed:
reiserfs_write_unlock(dir->i_sb);
return retval;
}