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ceph: use ceph_evict_inode to cleanup inode's resource

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remove_session_caps() relies on __wait_on_freeing_inode(), to wait for
freeing inode to remove its caps. But VFS wakes freeing inode waiters
before calling destroy_inode().

Cc: stable@vger.kernel.org
Link: https://tracker.ceph.com/issues/40102
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yan, Zheng 2019-06-02 09:45:38 +08:00 committed by Ilya Dryomov
parent 0f7cf80ae9
commit 87bc5b895d
3 changed files with 7 additions and 4 deletions
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7
fs/ceph/inode.c
View File

@ -526,13 +526,16 @@ void ceph_free_inode(struct inode *inode)
kmem_cache_free(ceph_inode_cachep, ci);
}
void ceph_destroy_inode(struct inode *inode)
void ceph_evict_inode(struct inode *inode)
{
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_inode_frag *frag;
struct rb_node *n;
dout("destroy_inode %p ino %llx.%llx\n", inode, ceph_vinop(inode));
dout("evict_inode %p ino %llx.%llx\n", inode, ceph_vinop(inode));
truncate_inode_pages_final(&inode->i_data);
clear_inode(inode);
ceph_fscache_unregister_inode_cookie(ci);

2
fs/ceph/super.c
View File

@ -840,10 +840,10 @@ static int ceph_remount(struct super_block *sb, int *flags, char *data)
static const struct super_operations ceph_super_ops = {
.alloc_inode = ceph_alloc_inode,
.destroy_inode = ceph_destroy_inode,
.free_inode = ceph_free_inode,
.write_inode = ceph_write_inode,
.drop_inode = ceph_drop_inode,
.evict_inode = ceph_evict_inode,
.sync_fs = ceph_sync_fs,
.put_super = ceph_put_super,
.remount_fs = ceph_remount,

2
fs/ceph/super.h
View File

@ -884,7 +884,7 @@ static inline bool __ceph_have_pending_cap_snap(struct ceph_inode_info *ci)
extern const struct inode_operations ceph_file_iops;
extern struct inode *ceph_alloc_inode(struct super_block *sb);
extern void ceph_destroy_inode(struct inode *inode);
extern void ceph_evict_inode(struct inode *inode);
extern void ceph_free_inode(struct inode *inode);
extern int ceph_drop_inode(struct inode *inode);