diff options
Diffstat (limited to 'fs/afs/inode.c')
-rw-r--r-- | fs/afs/inode.c | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/fs/afs/inode.c b/fs/afs/inode.c index c942c79..e499713 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -243,6 +243,33 @@ struct inode *afs_iget_pseudo_dir(struct super_block *sb, bool root) } /* + * Get a cache cookie for an inode. + */ +static void afs_get_inode_cache(struct afs_vnode *vnode) +{ +#ifdef CONFIG_AFS_FSCACHE + struct { + u32 vnode_id; + u32 unique; + u32 vnode_id_ext[2]; /* Allow for a 96-bit key */ + } __packed key; + struct afs_vnode_cache_aux aux; + + key.vnode_id = vnode->fid.vnode; + key.unique = vnode->fid.unique; + key.vnode_id_ext[0] = 0; + key.vnode_id_ext[1] = 0; + aux.data_version = vnode->status.data_version; + + vnode->cache = fscache_acquire_cookie(vnode->volume->cache, + &afs_vnode_cache_index_def, + &key, sizeof(key), + &aux, sizeof(aux), + vnode, true); +#endif +} + +/* * inode retrieval */ struct inode *afs_iget(struct super_block *sb, struct key *key, @@ -307,11 +334,7 @@ struct inode *afs_iget(struct super_block *sb, struct key *key, /* set up caching before mapping the status, as map-status reads the * first page of symlinks to see if they're really mountpoints */ inode->i_size = vnode->status.size; -#ifdef CONFIG_AFS_FSCACHE - vnode->cache = fscache_acquire_cookie(vnode->volume->cache, - &afs_vnode_cache_index_def, - vnode, true); -#endif + afs_get_inode_cache(vnode); ret = afs_inode_map_status(vnode, key); if (ret < 0) @@ -327,7 +350,7 @@ struct inode *afs_iget(struct super_block *sb, struct key *key, /* failure */ bad_inode: #ifdef CONFIG_AFS_FSCACHE - fscache_relinquish_cookie(vnode->cache, ret == -ENOENT); + fscache_relinquish_cookie(vnode->cache, NULL, ret == -ENOENT); vnode->cache = NULL; #endif iget_failed(inode); @@ -511,9 +534,14 @@ void afs_evict_inode(struct inode *inode) } #ifdef CONFIG_AFS_FSCACHE - fscache_relinquish_cookie(vnode->cache, - test_bit(AFS_VNODE_DELETED, &vnode->flags)); - vnode->cache = NULL; + { + struct afs_vnode_cache_aux aux; + + aux.data_version = vnode->status.data_version; + fscache_relinquish_cookie(vnode->cache, &aux, + test_bit(AFS_VNODE_DELETED, &vnode->flags)); + vnode->cache = NULL; + } #endif afs_put_permits(vnode->permit_cache); |