static int
sfs_reclaim(struct inode *node) {
struct sfs_fs *sfs = fsop_info(vop_fs(node), sfs);
struct sfs_inode *sin = vop_info(node, sfs_inode);
lock_sfs_fs(sfs);
int ret = -E_BUSY;
assert(sin->reclaim_count > 0);
if ((-- sin->reclaim_count) != 0) {
goto failed_unlock;
}
assert(inode_ref_count(node) == 0 && inode_open_count(node) == 0);
if (sin->din->nlinks == 0) {
uint32_t nblks;
for (nblks = sin->din->blocks; nblks != 0; nblks --) {
sfs_bmap_truncate_nolock(sfs, sin);
}
}
else if (sin->dirty) {
if ((ret = vop_fsync(node)) != 0) {
goto failed_unlock;
}
}
sfs_remove_links(sin);
unlock_sfs_fs(sfs);
if (sin->din->nlinks == 0) {
sfs_block_free(sfs, sin->ino);
uint32_t ent;
if ((ent = sin->din->indirect) != 0) {
sfs_block_free(sfs, ent);
}
if ((ent = sin->din->db_indirect) != 0) {
int i;
for (i = 0; i < SFS_BLK_NENTRY; i ++) {
sfs_bmap_free_sub_nolock(sfs, ent, i);
}
sfs_block_free(sfs, ent);
}
}
kfree(sin->din);
vop_kill(node);
return 0;
failed_unlock:
unlock_sfs_fs(sfs);
return ret;
}
static int pipe_inode_reclaim(struct inode *node)
{
struct pipe_inode *pin = vop_info(node, pipe_inode);
if (pin->name != NULL) {
struct pipe_fs *pipe = fsop_info(vop_fs(node), pipe);
lock_pipe(pipe);
assert(pin->reclaim_count > 0);
if ((--pin->reclaim_count) != 0 || inode_ref_count(node) != 0) {
unlock_pipe(pipe);
return -E_BUSY;
}
list_del(&(pin->pipe_link));
unlock_pipe(pipe);
kfree(pin->name);
}
pipe_state_release(pin->state);
vop_kill(node);
return 0;
}
/*
* sfs_reclaim - Free all resources inode occupied . Called when inode is no longer in use.
*/
static int
sfs_reclaim(struct inode *node) {
struct sfs_fs *sfs = fsop_info(vop_fs(node), sfs);
struct sfs_inode *sin = vop_info(node, sfs_inode);
int ret = -E_BUSY;
uint32_t ent;
lock_sfs_fs(sfs);
assert(sin->reclaim_count > 0);
if ((-- sin->reclaim_count) != 0 || inode_ref_count(node) != 0) {
goto failed_unlock;
}
if (sin->din->nlinks == 0) {
if ((ret = vop_truncate(node, 0)) != 0) {
goto failed_unlock;
}
}
if (sin->dirty) {
if ((ret = vop_fsync(node)) != 0) {
goto failed_unlock;
}
}
sfs_remove_links(sin);
unlock_sfs_fs(sfs);
if (sin->din->nlinks == 0) {
sfs_block_free(sfs, sin->ino);
if ((ent = sin->din->indirect) != 0) {
sfs_block_free(sfs, ent);
}
}
kfree(sin->din);
vop_kill(node);
return 0;
failed_unlock:
unlock_sfs_fs(sfs);
return ret;
}
