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stop icache pollution in hostfs, switch to ->evict_inode()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2010-06-06 15:16:17 -04:00
parent f053ddde75
commit e971a6d7b9
1 changed files with 8 additions and 22 deletions
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30
fs/hostfs/hostfs_kern.c
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@ -241,16 +241,13 @@ static struct inode *hostfs_iget(struct super_block *sb)
struct inode *inode;
long ret;
inode = iget_locked(sb, 0);
inode = new_inode(sb);
if (!inode)
return ERR_PTR(-ENOMEM);
if (inode->i_state & I_NEW) {
ret = hostfs_read_inode(inode);
if (ret < 0) {
iget_failed(inode);
return ERR_PTR(ret);
}
unlock_new_inode(inode);
ret = hostfs_read_inode(inode);
if (ret < 0) {
iput(inode);
return ERR_PTR(ret);
}
return inode;
}
@ -299,29 +296,19 @@ static struct inode *hostfs_alloc_inode(struct super_block *sb)
return &hi->vfs_inode;
}
static void hostfs_delete_inode(struct inode *inode)
static void hostfs_evict_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
end_writeback(inode);
if (HOSTFS_I(inode)->fd != -1) {
close_file(&HOSTFS_I(inode)->fd);
HOSTFS_I(inode)->fd = -1;
}
clear_inode(inode);
}
static void hostfs_destroy_inode(struct inode *inode)
{
kfree(HOSTFS_I(inode)->host_filename);
/*
* XXX: This should not happen, probably. The check is here for
* additional safety.
*/
if (HOSTFS_I(inode)->fd != -1) {
close_file(&HOSTFS_I(inode)->fd);
printk(KERN_DEBUG "Closing host fd in .destroy_inode\n");
}
kfree(HOSTFS_I(inode));
}
@ -339,9 +326,8 @@ static int hostfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
static const struct super_operations hostfs_sbops = {
.alloc_inode = hostfs_alloc_inode,
.drop_inode = generic_delete_inode,
.delete_inode = hostfs_delete_inode,
.destroy_inode = hostfs_destroy_inode,
.evict_inode = hostfs_evict_inode,
.statfs = hostfs_statfs,
.show_options = hostfs_show_options,
};