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virtiofsd: Clean up inodes on destroy
Clear out our inodes and fd's on a 'destroy' - so we get rid of them if we reboot the guest. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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@ -1169,6 +1169,25 @@ static void unref_inode_lolocked(struct lo_data *lo, struct lo_inode *inode,
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}
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}
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static int unref_all_inodes_cb(gpointer key, gpointer value, gpointer user_data)
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{
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struct lo_inode *inode = value;
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struct lo_data *lo = user_data;
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inode->refcount = 0;
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lo_map_remove(&lo->ino_map, inode->fuse_ino);
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close(inode->fd);
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return TRUE;
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}
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static void unref_all_inodes(struct lo_data *lo)
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{
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pthread_mutex_lock(&lo->mutex);
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g_hash_table_foreach_remove(lo->inodes, unref_all_inodes_cb, lo);
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pthread_mutex_unlock(&lo->mutex);
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}
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static void lo_forget_one(fuse_req_t req, fuse_ino_t ino, uint64_t nlookup)
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{
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struct lo_data *lo = lo_data(req);
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@ -2035,6 +2054,12 @@ static void lo_lseek(fuse_req_t req, fuse_ino_t ino, off_t off, int whence,
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}
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}
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static void lo_destroy(void *userdata)
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{
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struct lo_data *lo = (struct lo_data *)userdata;
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unref_all_inodes(lo);
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}
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static struct fuse_lowlevel_ops lo_oper = {
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.init = lo_init,
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.lookup = lo_lookup,
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@ -2073,6 +2098,7 @@ static struct fuse_lowlevel_ops lo_oper = {
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.copy_file_range = lo_copy_file_range,
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#endif
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.lseek = lo_lseek,
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.destroy = lo_destroy,
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};
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/* Print vhost-user.json backend program capabilities */
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