In preparation for separating object type from iterator type, rename
some 'type' arguments in functions to 'obj_type' and remove the unused
interface to clear marks by object type mask.
Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx>
---
fs/notify/fanotify/fanotify_user.c | 8 ++++----
fs/notify/group.c | 2 +-
fs/notify/mark.c | 24 ++++++++++++------------
include/linux/fsnotify_backend.h | 25 ++++++++++---------------
4 files changed, 27 insertions(+), 32 deletions(-)
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 3e01d8f2ab90..f9c74fa82038 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -819,7 +819,7 @@ static __u32 fanotify_mark_add_to_mask(struct fsnotify_mark *fsn_mark,
static struct fsnotify_mark *fanotify_add_new_mark(struct fsnotify_group *group,
fsnotify_connp_t *connp,
- unsigned int type,
+ unsigned int obj_type,
__kernel_fsid_t *fsid)
{
struct fsnotify_mark *mark;
@@ -833,7 +833,7 @@ static struct fsnotify_mark *fanotify_add_new_mark(struct fsnotify_group *group,
return ERR_PTR(-ENOMEM);
fsnotify_init_mark(mark, group);
- ret = fsnotify_add_mark_locked(mark, connp, type, 0, fsid);
+ ret = fsnotify_add_mark_locked(mark, connp, obj_type, 0, fsid);
if (ret) {
fsnotify_put_mark(mark);
return ERR_PTR(ret);
@@ -844,7 +844,7 @@ static struct fsnotify_mark *fanotify_add_new_mark(struct fsnotify_group *group,
static int fanotify_add_mark(struct fsnotify_group *group,
- fsnotify_connp_t *connp, unsigned int type,
+ fsnotify_connp_t *connp, unsigned int obj_type,
__u32 mask, unsigned int flags,
__kernel_fsid_t *fsid)
{
@@ -854,7 +854,7 @@ static int fanotify_add_mark(struct fsnotify_group *group,
mutex_lock(&group->mark_mutex);
fsn_mark = fsnotify_find_mark(connp, group);
if (!fsn_mark) {
- fsn_mark = fanotify_add_new_mark(group, connp, type, fsid);
+ fsn_mark = fanotify_add_new_mark(group, connp, obj_type, fsid);
if (IS_ERR(fsn_mark)) {
mutex_unlock(&group->mark_mutex);
return PTR_ERR(fsn_mark);
diff --git a/fs/notify/group.c b/fs/notify/group.c
index a4a4b1c64d32..8255b4c45802 100644
--- a/fs/notify/group.c
+++ b/fs/notify/group.c
@@ -58,7 +58,7 @@ void fsnotify_destroy_group(struct fsnotify_group *group)
fsnotify_group_stop_queueing(group);
/* Clear all marks for this group and queue them for destruction */
- fsnotify_clear_marks_by_group(group, FSNOTIFY_OBJ_ALL_TYPES_MASK);
+ fsnotify_clear_marks_by_group(group, FSNOTIFY_OBJ_TYPE_ANY);
/*
* Some marks can still be pinned when waiting for response from
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index 8387937b9d01..7792f5486d61 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -474,7 +474,7 @@ int fsnotify_compare_groups(struct fsnotify_group *a, struct fsnotify_group *b)
}
static int fsnotify_attach_connector_to_object(fsnotify_connp_t *connp,
- unsigned int type,
+ unsigned int obj_type,
__kernel_fsid_t *fsid)
{
struct inode *inode = NULL;
@@ -485,7 +485,7 @@ static int fsnotify_attach_connector_to_object(fsnotify_connp_t *connp,
return -ENOMEM;
spin_lock_init(&conn->lock);
INIT_HLIST_HEAD(&conn->list);
- conn->type = type;
+ conn->type = obj_type;
conn->obj = connp;
/* Cache fsid of filesystem containing the object */
if (fsid) {
@@ -545,7 +545,7 @@ static struct fsnotify_mark_connector *fsnotify_grab_connector(
* priority, highest number first, and then by the group's location in memory.
*/
static int fsnotify_add_mark_list(struct fsnotify_mark *mark,
- fsnotify_connp_t *connp, unsigned int type,
+ fsnotify_connp_t *connp, unsigned int obj_type,
int allow_dups, __kernel_fsid_t *fsid)
{
struct fsnotify_mark *lmark, *last = NULL;
@@ -553,7 +553,7 @@ static int fsnotify_add_mark_list(struct fsnotify_mark *mark,
int cmp;
int err = 0;
- if (WARN_ON(!fsnotify_valid_obj_type(type)))
+ if (WARN_ON(!fsnotify_valid_obj_type(obj_type)))
return -EINVAL;
/* Backend is expected to check for zero fsid (e.g. tmpfs) */
@@ -565,7 +565,7 @@ static int fsnotify_add_mark_list(struct fsnotify_mark *mark,
conn = fsnotify_grab_connector(connp);
if (!conn) {
spin_unlock(&mark->lock);
- err = fsnotify_attach_connector_to_object(connp, type, fsid);
+ err = fsnotify_attach_connector_to_object(connp, obj_type, fsid);
if (err)
return err;
goto restart;
@@ -638,7 +638,7 @@ static int fsnotify_add_mark_list(struct fsnotify_mark *mark,
* event types should be delivered to which group.
*/
int fsnotify_add_mark_locked(struct fsnotify_mark *mark,
- fsnotify_connp_t *connp, unsigned int type,
+ fsnotify_connp_t *connp, unsigned int obj_type,
int allow_dups, __kernel_fsid_t *fsid)
{
struct fsnotify_group *group = mark->group;
@@ -660,7 +660,7 @@ int fsnotify_add_mark_locked(struct fsnotify_mark *mark,
fsnotify_get_mark(mark); /* for g_list */
spin_unlock(&mark->lock);
- ret = fsnotify_add_mark_list(mark, connp, type, allow_dups, fsid);
+ ret = fsnotify_add_mark_list(mark, connp, obj_type, allow_dups, fsid);
if (ret)
goto err;
@@ -681,13 +681,13 @@ int fsnotify_add_mark_locked(struct fsnotify_mark *mark,
}
int fsnotify_add_mark(struct fsnotify_mark *mark, fsnotify_connp_t *connp,
- unsigned int type, int allow_dups, __kernel_fsid_t *fsid)
+ unsigned int obj_type, int allow_dups, __kernel_fsid_t *fsid)
{
int ret;
struct fsnotify_group *group = mark->group;
mutex_lock(&group->mark_mutex);
- ret = fsnotify_add_mark_locked(mark, connp, type, allow_dups, fsid);
+ ret = fsnotify_add_mark_locked(mark, connp, obj_type, allow_dups, fsid);
mutex_unlock(&group->mark_mutex);
return ret;
}
@@ -722,14 +722,14 @@ EXPORT_SYMBOL_GPL(fsnotify_find_mark);
/* Clear any marks in a group with given type mask */
void fsnotify_clear_marks_by_group(struct fsnotify_group *group,
- unsigned int type_mask)
+ unsigned int obj_type)
{
struct fsnotify_mark *lmark, *mark;
LIST_HEAD(to_free);
struct list_head *head = &to_free;
/* Skip selection step if we want to clear all marks. */
- if (type_mask == FSNOTIFY_OBJ_ALL_TYPES_MASK) {
+ if (obj_type == FSNOTIFY_OBJ_TYPE_ANY) {
head = &group->marks_list;
goto clear;
}
@@ -744,7 +744,7 @@ void fsnotify_clear_marks_by_group(struct fsnotify_group *group,
*/
mutex_lock_nested(&group->mark_mutex, SINGLE_DEPTH_NESTING);
list_for_each_entry_safe(mark, lmark, &group->marks_list, g_list) {
- if ((1U << mark->connector->type) & type_mask)
+ if (mark->connector->type == obj_type)
list_move(&mark->g_list, &to_free);
}
mutex_unlock(&group->mark_mutex);
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index a2e42d3cd87c..72bc120a65bc 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -277,6 +277,7 @@ static inline const struct path *fsnotify_data_path(const void *data,
}
enum fsnotify_obj_type {
+ FSNOTIFY_OBJ_TYPE_ANY = -1,
FSNOTIFY_OBJ_TYPE_INODE,
FSNOTIFY_OBJ_TYPE_PARENT,
FSNOTIFY_OBJ_TYPE_VFSMOUNT,
@@ -285,15 +286,9 @@ enum fsnotify_obj_type {
FSNOTIFY_OBJ_TYPE_DETACHED = FSNOTIFY_OBJ_TYPE_COUNT
};
-#define FSNOTIFY_OBJ_TYPE_INODE_FL (1U << FSNOTIFY_OBJ_TYPE_INODE)
-#define FSNOTIFY_OBJ_TYPE_PARENT_FL (1U << FSNOTIFY_OBJ_TYPE_PARENT)
-#define FSNOTIFY_OBJ_TYPE_VFSMOUNT_FL (1U << FSNOTIFY_OBJ_TYPE_VFSMOUNT)
-#define FSNOTIFY_OBJ_TYPE_SB_FL (1U << FSNOTIFY_OBJ_TYPE_SB)
-#define FSNOTIFY_OBJ_ALL_TYPES_MASK ((1U << FSNOTIFY_OBJ_TYPE_COUNT) - 1)
-
-static inline bool fsnotify_valid_obj_type(unsigned int type)
+static inline bool fsnotify_valid_obj_type(unsigned int obj_type)
{
- return (type < FSNOTIFY_OBJ_TYPE_COUNT);
+ return (obj_type < FSNOTIFY_OBJ_TYPE_COUNT);
}
struct fsnotify_iter_info {
@@ -326,7 +321,7 @@ static inline void fsnotify_iter_set_report_type_mark(
static inline struct fsnotify_mark *fsnotify_iter_##name##_mark( \
struct fsnotify_iter_info *iter_info) \
{ \
- return (iter_info->report_mask & FSNOTIFY_OBJ_TYPE_##NAME##_FL) ? \
+ return (iter_info->report_mask & (1U << FSNOTIFY_OBJ_TYPE_##NAME)) ? \
iter_info->marks[FSNOTIFY_OBJ_TYPE_##NAME] : NULL; \
}
@@ -520,11 +515,11 @@ extern int fsnotify_get_conn_fsid(const struct fsnotify_mark_connector *conn,
__kernel_fsid_t *fsid);
/* attach the mark to the object */
extern int fsnotify_add_mark(struct fsnotify_mark *mark,
- fsnotify_connp_t *connp, unsigned int type,
+ fsnotify_connp_t *connp, unsigned int obj_type,
int allow_dups, __kernel_fsid_t *fsid);
extern int fsnotify_add_mark_locked(struct fsnotify_mark *mark,
fsnotify_connp_t *connp,
- unsigned int type, int allow_dups,
+ unsigned int obj_type, int allow_dups,
__kernel_fsid_t *fsid);
/* attach the mark to the inode */
@@ -554,21 +549,21 @@ extern void fsnotify_free_mark(struct fsnotify_mark *mark);
/* Wait until all marks queued for destruction are destroyed */
extern void fsnotify_wait_marks_destroyed(void);
/* run all the marks in a group, and clear all of the marks attached to given object type */
-extern void fsnotify_clear_marks_by_group(struct fsnotify_group *group, unsigned int type);
+extern void fsnotify_clear_marks_by_group(struct fsnotify_group *group, unsigned int obj_type);
/* run all the marks in a group, and clear all of the vfsmount marks */
static inline void fsnotify_clear_vfsmount_marks_by_group(struct fsnotify_group *group)
{
- fsnotify_clear_marks_by_group(group, FSNOTIFY_OBJ_TYPE_VFSMOUNT_FL);
+ fsnotify_clear_marks_by_group(group, FSNOTIFY_OBJ_TYPE_VFSMOUNT);
}
/* run all the marks in a group, and clear all of the inode marks */
static inline void fsnotify_clear_inode_marks_by_group(struct fsnotify_group *group)
{
- fsnotify_clear_marks_by_group(group, FSNOTIFY_OBJ_TYPE_INODE_FL);
+ fsnotify_clear_marks_by_group(group, FSNOTIFY_OBJ_TYPE_INODE);
}
/* run all the marks in a group, and clear all of the sn marks */
static inline void fsnotify_clear_sb_marks_by_group(struct fsnotify_group *group)
{
- fsnotify_clear_marks_by_group(group, FSNOTIFY_OBJ_TYPE_SB_FL);
+ fsnotify_clear_marks_by_group(group, FSNOTIFY_OBJ_TYPE_SB);
}
extern void fsnotify_get_mark(struct fsnotify_mark *mark);
extern void fsnotify_put_mark(struct fsnotify_mark *mark);
--
2.25.1
