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-rw-r--r--fs/cachefiles/bind.c10
-rw-r--r--fs/cachefiles/interface.c2
-rw-r--r--fs/cachefiles/namei.c70
-rw-r--r--fs/cachefiles/rdwr.c14
-rw-r--r--fs/cachefiles/security.c6
-rw-r--r--fs/cachefiles/xattr.c22
6 files changed, 62 insertions, 62 deletions
diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c
index fbb08e9..6af790f 100644
--- a/fs/cachefiles/bind.c
+++ b/fs/cachefiles/bind.c
@@ -123,11 +123,11 @@ static int cachefiles_daemon_add_cache(struct cachefiles_cache *cache)
/* check parameters */
ret = -EOPNOTSUPP;
- if (!root->d_inode ||
- !root->d_inode->i_op->lookup ||
- !root->d_inode->i_op->mkdir ||
- !root->d_inode->i_op->setxattr ||
- !root->d_inode->i_op->getxattr ||
+ if (d_is_negative(root) ||
+ !d_backing_inode(root)->i_op->lookup ||
+ !d_backing_inode(root)->i_op->mkdir ||
+ !d_backing_inode(root)->i_op->setxattr ||
+ !d_backing_inode(root)->i_op->getxattr ||
!root->d_sb->s_op->statfs ||
!root->d_sb->s_op->sync_fs)
goto error_unsupported;
diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c
index f1fb0a2..afa023d 100644
--- a/fs/cachefiles/interface.c
+++ b/fs/cachefiles/interface.c
@@ -441,7 +441,7 @@ static int cachefiles_attr_changed(struct fscache_object *_object)
fscache_set_store_limit(&object->fscache, ni_size);
- oi_size = i_size_read(object->backer->d_inode);
+ oi_size = i_size_read(d_backing_inode(object->backer));
if (oi_size == ni_size)
return 0;
diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index 6139635..ab857ab 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -355,7 +355,7 @@ try_again:
return -EIO;
}
- if (grave->d_inode) {
+ if (d_is_positive(grave)) {
unlock_rename(cache->graveyard, dir);
dput(grave);
grave = NULL;
@@ -415,7 +415,7 @@ int cachefiles_delete_object(struct cachefiles_cache *cache,
_enter(",OBJ%x{%p}", object->fscache.debug_id, object->dentry);
ASSERT(object->dentry);
- ASSERT(object->dentry->d_inode);
+ ASSERT(d_backing_inode(object->dentry));
ASSERT(object->dentry->d_parent);
dir = dget_parent(object->dentry);
@@ -473,7 +473,7 @@ int cachefiles_walk_to_object(struct cachefiles_object *parent,
path.mnt = cache->mnt;
ASSERT(parent->dentry);
- ASSERT(parent->dentry->d_inode);
+ ASSERT(d_backing_inode(parent->dentry));
if (!(d_is_dir(parent->dentry))) {
// TODO: convert file to dir
@@ -505,21 +505,21 @@ lookup_again:
if (IS_ERR(next))
goto lookup_error;
- _debug("next -> %p %s", next, next->d_inode ? "positive" : "negative");
+ _debug("next -> %p %s", next, d_backing_inode(next) ? "positive" : "negative");
if (!key)
- object->new = !next->d_inode;
+ object->new = !d_backing_inode(next);
/* if this element of the path doesn't exist, then the lookup phase
* failed, and we can release any readers in the certain knowledge that
* there's nothing for them to actually read */
- if (!next->d_inode)
+ if (d_is_negative(next))
fscache_object_lookup_negative(&object->fscache);
/* we need to create the object if it's negative */
if (key || object->type == FSCACHE_COOKIE_TYPE_INDEX) {
/* index objects and intervening tree levels must be subdirs */
- if (!next->d_inode) {
+ if (d_is_negative(next)) {
ret = cachefiles_has_space(cache, 1, 0);
if (ret < 0)
goto create_error;
@@ -534,21 +534,21 @@ lookup_again:
if (ret < 0)
goto create_error;
- ASSERT(next->d_inode);
+ ASSERT(d_backing_inode(next));
_debug("mkdir -> %p{%p{ino=%lu}}",
- next, next->d_inode, next->d_inode->i_ino);
+ next, d_backing_inode(next), d_backing_inode(next)->i_ino);
} else if (!d_can_lookup(next)) {
pr_err("inode %lu is not a directory\n",
- next->d_inode->i_ino);
+ d_backing_inode(next)->i_ino);
ret = -ENOBUFS;
goto error;
}
} else {
/* non-index objects start out life as files */
- if (!next->d_inode) {
+ if (d_is_negative(next)) {
ret = cachefiles_has_space(cache, 1, 0);
if (ret < 0)
goto create_error;
@@ -563,16 +563,16 @@ lookup_again:
if (ret < 0)
goto create_error;
- ASSERT(next->d_inode);
+ ASSERT(d_backing_inode(next));
_debug("create -> %p{%p{ino=%lu}}",
- next, next->d_inode, next->d_inode->i_ino);
+ next, d_backing_inode(next), d_backing_inode(next)->i_ino);
} else if (!d_can_lookup(next) &&
!d_is_reg(next)
) {
pr_err("inode %lu is not a file or directory\n",
- next->d_inode->i_ino);
+ d_backing_inode(next)->i_ino);
ret = -ENOBUFS;
goto error;
}
@@ -646,7 +646,7 @@ lookup_again:
const struct address_space_operations *aops;
ret = -EPERM;
- aops = object->dentry->d_inode->i_mapping->a_ops;
+ aops = d_backing_inode(object->dentry)->i_mapping->a_ops;
if (!aops->bmap)
goto check_error;
@@ -659,7 +659,7 @@ lookup_again:
object->new = 0;
fscache_obtained_object(&object->fscache);
- _leave(" = 0 [%lu]", object->dentry->d_inode->i_ino);
+ _leave(" = 0 [%lu]", d_backing_inode(object->dentry)->i_ino);
return 0;
create_error:
@@ -731,10 +731,10 @@ struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache,
}
_debug("subdir -> %p %s",
- subdir, subdir->d_inode ? "positive" : "negative");
+ subdir, d_backing_inode(subdir) ? "positive" : "negative");
/* we need to create the subdir if it doesn't exist yet */
- if (!subdir->d_inode) {
+ if (d_is_negative(subdir)) {
ret = cachefiles_has_space(cache, 1, 0);
if (ret < 0)
goto mkdir_error;
@@ -750,18 +750,18 @@ struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache,
if (ret < 0)
goto mkdir_error;
- ASSERT(subdir->d_inode);
+ ASSERT(d_backing_inode(subdir));
_debug("mkdir -> %p{%p{ino=%lu}}",
subdir,
- subdir->d_inode,
- subdir->d_inode->i_ino);
+ d_backing_inode(subdir),
+ d_backing_inode(subdir)->i_ino);
}
mutex_unlock(&d_inode(dir)->i_mutex);
/* we need to make sure the subdir is a directory */
- ASSERT(subdir->d_inode);
+ ASSERT(d_backing_inode(subdir));
if (!d_can_lookup(subdir)) {
pr_err("%s is not a directory\n", dirname);
@@ -770,18 +770,18 @@ struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache,
}
ret = -EPERM;
- if (!subdir->d_inode->i_op->setxattr ||
- !subdir->d_inode->i_op->getxattr ||
- !subdir->d_inode->i_op->lookup ||
- !subdir->d_inode->i_op->mkdir ||
- !subdir->d_inode->i_op->create ||
- (!subdir->d_inode->i_op->rename &&
- !subdir->d_inode->i_op->rename2) ||
- !subdir->d_inode->i_op->rmdir ||
- !subdir->d_inode->i_op->unlink)
+ if (!d_backing_inode(subdir)->i_op->setxattr ||
+ !d_backing_inode(subdir)->i_op->getxattr ||
+ !d_backing_inode(subdir)->i_op->lookup ||
+ !d_backing_inode(subdir)->i_op->mkdir ||
+ !d_backing_inode(subdir)->i_op->create ||
+ (!d_backing_inode(subdir)->i_op->rename &&
+ !d_backing_inode(subdir)->i_op->rename2) ||
+ !d_backing_inode(subdir)->i_op->rmdir ||
+ !d_backing_inode(subdir)->i_op->unlink)
goto check_error;
- _leave(" = [%lu]", subdir->d_inode->i_ino);
+ _leave(" = [%lu]", d_backing_inode(subdir)->i_ino);
return subdir;
check_error:
@@ -836,12 +836,12 @@ static struct dentry *cachefiles_check_active(struct cachefiles_cache *cache,
goto lookup_error;
//_debug("victim -> %p %s",
- // victim, victim->d_inode ? "positive" : "negative");
+ // victim, d_backing_inode(victim) ? "positive" : "negative");
/* if the object is no longer there then we probably retired the object
* at the netfs's request whilst the cull was in progress
*/
- if (!victim->d_inode) {
+ if (d_is_negative(victim)) {
mutex_unlock(&d_inode(dir)->i_mutex);
dput(victim);
_leave(" = -ENOENT [absent]");
@@ -913,7 +913,7 @@ int cachefiles_cull(struct cachefiles_cache *cache, struct dentry *dir,
return PTR_ERR(victim);
_debug("victim -> %p %s",
- victim, victim->d_inode ? "positive" : "negative");
+ victim, d_backing_inode(victim) ? "positive" : "negative");
/* okay... the victim is not being used so we can cull it
* - start by marking it as stale
diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
index c6cd8d7..3cbb0e8 100644
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -74,12 +74,12 @@ static int cachefiles_read_waiter(wait_queue_t *wait, unsigned mode,
static int cachefiles_read_reissue(struct cachefiles_object *object,
struct cachefiles_one_read *monitor)
{
- struct address_space *bmapping = object->backer->d_inode->i_mapping;
+ struct address_space *bmapping = d_backing_inode(object->backer)->i_mapping;
struct page *backpage = monitor->back_page, *backpage2;
int ret;
_enter("{ino=%lx},{%lx,%lx}",
- object->backer->d_inode->i_ino,
+ d_backing_inode(object->backer)->i_ino,
backpage->index, backpage->flags);
/* skip if the page was truncated away completely */
@@ -157,7 +157,7 @@ static void cachefiles_read_copier(struct fscache_operation *_op)
object = container_of(op->op.object,
struct cachefiles_object, fscache);
- _enter("{ino=%lu}", object->backer->d_inode->i_ino);
+ _enter("{ino=%lu}", d_backing_inode(object->backer)->i_ino);
max = 8;
spin_lock_irq(&object->work_lock);
@@ -247,7 +247,7 @@ static int cachefiles_read_backing_file_one(struct cachefiles_object *object,
init_waitqueue_func_entry(&monitor->monitor, cachefiles_read_waiter);
/* attempt to get hold of the backing page */
- bmapping = object->backer->d_inode->i_mapping;
+ bmapping = d_backing_inode(object->backer)->i_mapping;
newpage = NULL;
for (;;) {
@@ -408,7 +408,7 @@ int cachefiles_read_or_alloc_page(struct fscache_retrieval *op,
if (!object->backer)
goto enobufs;
- inode = object->backer->d_inode;
+ inode = d_backing_inode(object->backer);
ASSERT(S_ISREG(inode->i_mode));
ASSERT(inode->i_mapping->a_ops->bmap);
ASSERT(inode->i_mapping->a_ops->readpages);
@@ -468,7 +468,7 @@ static int cachefiles_read_backing_file(struct cachefiles_object *object,
struct list_head *list)
{
struct cachefiles_one_read *monitor = NULL;
- struct address_space *bmapping = object->backer->d_inode->i_mapping;
+ struct address_space *bmapping = d_backing_inode(object->backer)->i_mapping;
struct page *newpage = NULL, *netpage, *_n, *backpage = NULL;
int ret = 0;
@@ -705,7 +705,7 @@ int cachefiles_read_or_alloc_pages(struct fscache_retrieval *op,
if (cachefiles_has_space(cache, 0, *nr_pages) < 0)
space = 0;
- inode = object->backer->d_inode;
+ inode = d_backing_inode(object->backer);
ASSERT(S_ISREG(inode->i_mode));
ASSERT(inode->i_mapping->a_ops->bmap);
ASSERT(inode->i_mapping->a_ops->readpages);
diff --git a/fs/cachefiles/security.c b/fs/cachefiles/security.c
index 396c18e..31bbc05 100644
--- a/fs/cachefiles/security.c
+++ b/fs/cachefiles/security.c
@@ -55,14 +55,14 @@ static int cachefiles_check_cache_dir(struct cachefiles_cache *cache,
{
int ret;
- ret = security_inode_mkdir(root->d_inode, root, 0);
+ ret = security_inode_mkdir(d_backing_inode(root), root, 0);
if (ret < 0) {
pr_err("Security denies permission to make dirs: error %d",
ret);
return ret;
}
- ret = security_inode_create(root->d_inode, root, 0);
+ ret = security_inode_create(d_backing_inode(root), root, 0);
if (ret < 0)
pr_err("Security denies permission to create files: error %d",
ret);
@@ -95,7 +95,7 @@ int cachefiles_determine_cache_security(struct cachefiles_cache *cache,
/* use the cache root dir's security context as the basis with
* which create files */
- ret = set_create_files_as(new, root->d_inode);
+ ret = set_create_files_as(new, d_backing_inode(root));
if (ret < 0) {
abort_creds(new);
cachefiles_begin_secure(cache, _saved_cred);
diff --git a/fs/cachefiles/xattr.c b/fs/cachefiles/xattr.c
index a8a6874..d31c1a72 100644
--- a/fs/cachefiles/xattr.c
+++ b/fs/cachefiles/xattr.c
@@ -33,7 +33,7 @@ int cachefiles_check_object_type(struct cachefiles_object *object)
int ret;
ASSERT(dentry);
- ASSERT(dentry->d_inode);
+ ASSERT(d_backing_inode(dentry));
if (!object->fscache.cookie)
strcpy(type, "C3");
@@ -52,7 +52,7 @@ int cachefiles_check_object_type(struct cachefiles_object *object)
if (ret != -EEXIST) {
pr_err("Can't set xattr on %pd [%lu] (err %d)\n",
- dentry, dentry->d_inode->i_ino,
+ dentry, d_backing_inode(dentry)->i_ino,
-ret);
goto error;
}
@@ -64,7 +64,7 @@ int cachefiles_check_object_type(struct cachefiles_object *object)
goto bad_type_length;
pr_err("Can't read xattr on %pd [%lu] (err %d)\n",
- dentry, dentry->d_inode->i_ino,
+ dentry, d_backing_inode(dentry)->i_ino,
-ret);
goto error;
}
@@ -84,14 +84,14 @@ error:
bad_type_length:
pr_err("Cache object %lu type xattr length incorrect\n",
- dentry->d_inode->i_ino);
+ d_backing_inode(dentry)->i_ino);
ret = -EIO;
goto error;
bad_type:
xtype[2] = 0;
pr_err("Cache object %pd [%lu] type %s not %s\n",
- dentry, dentry->d_inode->i_ino,
+ dentry, d_backing_inode(dentry)->i_ino,
xtype, type);
ret = -EIO;
goto error;
@@ -165,7 +165,7 @@ int cachefiles_check_auxdata(struct cachefiles_object *object)
int ret;
ASSERT(dentry);
- ASSERT(dentry->d_inode);
+ ASSERT(d_backing_inode(dentry));
ASSERT(object->fscache.cookie->def->check_aux);
auxbuf = kmalloc(sizeof(struct cachefiles_xattr) + 512, GFP_KERNEL);
@@ -204,7 +204,7 @@ int cachefiles_check_object_xattr(struct cachefiles_object *object,
_enter("%p,#%d", object, auxdata->len);
ASSERT(dentry);
- ASSERT(dentry->d_inode);
+ ASSERT(d_backing_inode(dentry));
auxbuf = kmalloc(sizeof(struct cachefiles_xattr) + 512, cachefiles_gfp);
if (!auxbuf) {
@@ -225,7 +225,7 @@ int cachefiles_check_object_xattr(struct cachefiles_object *object,
cachefiles_io_error_obj(object,
"Can't read xattr on %lu (err %d)",
- dentry->d_inode->i_ino, -ret);
+ d_backing_inode(dentry)->i_ino, -ret);
goto error;
}
@@ -276,7 +276,7 @@ int cachefiles_check_object_xattr(struct cachefiles_object *object,
cachefiles_io_error_obj(object,
"Can't update xattr on %lu"
" (error %d)",
- dentry->d_inode->i_ino, -ret);
+ d_backing_inode(dentry)->i_ino, -ret);
goto error;
}
}
@@ -291,7 +291,7 @@ error:
bad_type_length:
pr_err("Cache object %lu xattr length incorrect\n",
- dentry->d_inode->i_ino);
+ d_backing_inode(dentry)->i_ino);
ret = -EIO;
goto error;
@@ -316,7 +316,7 @@ int cachefiles_remove_object_xattr(struct cachefiles_cache *cache,
cachefiles_io_error(cache,
"Can't remove xattr from %lu"
" (error %d)",
- dentry->d_inode->i_ino, -ret);
+ d_backing_inode(dentry)->i_ino, -ret);
}
_leave(" = %d", ret);
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