void
affs_evict_inode(struct inode *inode)
{
unsigned long cache_page;
pr_debug("AFFS: evict_inode(ino=%lu, nlink=%u)\n", inode->i_ino, inode->i_nlink);
truncate_inode_pages(&inode->i_data, 0);
if (!inode->i_nlink) {
inode->i_size = 0;
affs_truncate(inode);
}
invalidate_inode_buffers(inode);
end_writeback(inode);
affs_free_prealloc(inode);
cache_page = (unsigned long)AFFS_I(inode)->i_lc;
if (cache_page) {
pr_debug("AFFS: freeing ext cache\n");
AFFS_I(inode)->i_lc = NULL;
AFFS_I(inode)->i_ac = NULL;
free_page(cache_page);
}
affs_brelse(AFFS_I(inode)->i_ext_bh);
AFFS_I(inode)->i_ext_last = ~1;
AFFS_I(inode)->i_ext_bh = NULL;
if (!inode->i_nlink)
affs_free_block(inode->i_sb, inode->i_ino);
}
static void minix_evict_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
if (!inode->i_nlink) {
inode->i_size = 0;
minix_truncate(inode);
}
invalidate_inode_buffers(inode);
clear_inode(inode);
if (!inode->i_nlink)
minix_free_inode(inode);
}
static void sysv_evict_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
if (!inode->i_nlink) {
inode->i_size = 0;
sysv_truncate(inode);
}
invalidate_inode_buffers(inode);
end_writeback(inode);
if (!inode->i_nlink)
sysv_free_inode(inode);
}
static void sysv_evict_inode(struct inode *inode)
{
truncate_inode_pages_final(&inode->i_data);
if (!inode->i_nlink) {
inode->i_size = 0;
sysv_truncate(inode);
}
invalidate_inode_buffers(inode);
clear_inode(inode);
if (!inode->i_nlink)
sysv_free_inode(inode);
}
void sfs_evict_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
if (!inode->i_nlink) {
inode->i_size = 0;
sfs_truncate(inode);
}
invalidate_inode_buffers(inode);
clear_inode(inode);
if (!inode->i_nlink)
sfs_free_inode(inode);
}
static void bfs_evict_inode(struct inode *inode)
{
unsigned long ino = inode->i_ino;
struct bfs_inode *di;
struct buffer_head *bh;
struct super_block *s = inode->i_sb;
struct bfs_sb_info *info = BFS_SB(s);
struct bfs_inode_info *bi = BFS_I(inode);
dprintf("ino=%08lx\n", ino);
truncate_inode_pages(&inode->i_data, 0);
invalidate_inode_buffers(inode);
end_writeback(inode);
if (inode->i_nlink)
return;
di = find_inode(s, inode->i_ino, &bh);
if (IS_ERR(di))
return;
mutex_lock(&info->bfs_lock);
/* clear on-disk inode */
memset(di, 0, sizeof(struct bfs_inode));
mark_buffer_dirty(bh);
brelse(bh);
if (bi->i_dsk_ino) {
if (bi->i_sblock)
info->si_freeb += bi->i_eblock + 1 - bi->i_sblock;
info->si_freei++;
clear_bit(ino, info->si_imap);
dump_imap("delete_inode", s);
}
/*
* If this was the last file, make the previous block
* "last block of the last file" even if there is no
* real file there, saves us 1 gap.
*/
if (info->si_lf_eblk == bi->i_eblock)
info->si_lf_eblk = bi->i_sblock - 1;
mutex_unlock(&info->bfs_lock);
}
/*
* Called at the last iput() if i_nlink is zero.
*/
void ext2_evict_inode(struct inode * inode)
{
struct ext2_block_alloc_info *rsv;
int want_delete = 0;
if (!inode->i_nlink && !is_bad_inode(inode)) {
want_delete = 1;
dquot_initialize(inode);
} else {
dquot_drop(inode);
}
truncate_inode_pages_final(&inode->i_data);
if (want_delete) {
sb_start_intwrite(inode->i_sb);
/* set dtime */
EXT2_I(inode)->i_dtime = get_seconds();
mark_inode_dirty(inode);
__ext2_write_inode(inode, inode_needs_sync(inode));
/* truncate to 0 */
inode->i_size = 0;
if (inode->i_blocks)
ext2_truncate_blocks(inode, 0);
ext2_xattr_delete_inode(inode);
}
invalidate_inode_buffers(inode);
clear_inode(inode);
ext2_discard_reservation(inode);
rsv = EXT2_I(inode)->i_block_alloc_info;
EXT2_I(inode)->i_block_alloc_info = NULL;
if (unlikely(rsv))
kfree(rsv);
if (want_delete) {
ext2_free_inode(inode);
sb_end_intwrite(inode->i_sb);
}
}
