diff options
Diffstat (limited to 'ipc/mqueue.c')
| -rw-r--r-- | ipc/mqueue.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c index c93fd3faac2d..035f4399edbc 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -116,6 +116,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb, inode = new_inode(sb); if (inode) { + inode->i_ino = get_next_ino(); inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); @@ -158,7 +159,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb, u->mq_bytes + mq_bytes > task_rlimit(p, RLIMIT_MSGQUEUE)) { spin_unlock(&mq_lock); - /* mqueue_delete_inode() releases info->messages */ + /* mqueue_evict_inode() releases info->messages */ goto out_inode; } u->mq_bytes += mq_bytes; @@ -210,13 +211,13 @@ out: return error; } -static int mqueue_get_sb(struct file_system_type *fs_type, +static struct dentry *mqueue_mount(struct file_system_type *fs_type, int flags, const char *dev_name, - void *data, struct vfsmount *mnt) + void *data) { if (!(flags & MS_KERNMOUNT)) data = current->nsproxy->ipc_ns; - return get_sb_ns(fs_type, flags, data, mqueue_fill_super, mnt); + return mount_ns(fs_type, flags, data, mqueue_fill_super); } static void init_once(void *foo) @@ -241,7 +242,7 @@ static void mqueue_destroy_inode(struct inode *inode) kmem_cache_free(mqueue_inode_cachep, MQUEUE_I(inode)); } -static void mqueue_delete_inode(struct inode *inode) +static void mqueue_evict_inode(struct inode *inode) { struct mqueue_inode_info *info; struct user_struct *user; @@ -249,10 +250,11 @@ static void mqueue_delete_inode(struct inode *inode) int i; struct ipc_namespace *ipc_ns; - if (S_ISDIR(inode->i_mode)) { - clear_inode(inode); + end_writeback(inode); + + if (S_ISDIR(inode->i_mode)) return; - } + ipc_ns = get_ns_from_inode(inode); info = MQUEUE_I(inode); spin_lock(&info->lock); @@ -261,8 +263,6 @@ static void mqueue_delete_inode(struct inode *inode) kfree(info->messages); spin_unlock(&info->lock); - clear_inode(inode); - /* Total amount of bytes accounted for the mqueue */ mq_bytes = info->attr.mq_maxmsg * (sizeof(struct msg_msg *) + info->attr.mq_msgsize); @@ -770,7 +770,7 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name) inode = dentry->d_inode; if (inode) - atomic_inc(&inode->i_count); + ihold(inode); err = mnt_want_write(ipc_ns->mq_mnt); if (err) goto out_err; @@ -1220,19 +1220,19 @@ static const struct file_operations mqueue_file_operations = { .flush = mqueue_flush_file, .poll = mqueue_poll_file, .read = mqueue_read_file, + .llseek = default_llseek, }; static const struct super_operations mqueue_super_ops = { .alloc_inode = mqueue_alloc_inode, .destroy_inode = mqueue_destroy_inode, + .evict_inode = mqueue_evict_inode, .statfs = simple_statfs, - .delete_inode = mqueue_delete_inode, - .drop_inode = generic_delete_inode, }; static struct file_system_type mqueue_fs_type = { .name = "mqueue", - .get_sb = mqueue_get_sb, + .mount = mqueue_mount, .kill_sb = kill_litter_super, }; |