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switch mqueue to ->evict_inode() 

... and since the inodes are never hashed, we can use default ->drop_inode()
just fine.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2010-06-05 16:29:45 -04:00
parent 72edc4d087
commit 6d8af64c1c
1 changed files with 7 additions and 9 deletions
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16
ipc/mqueue.c
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@ -158,7 +158,7 @@ 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;
@ -241,7 +241,7 @@ 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 +249,11 @@ 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 +262,6 @@ 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);
@ -1225,9 +1224,8 @@ static const struct file_operations mqueue_file_operations = {
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 = {