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authorAmir Goldstein <amir73il@gmail.com>2021-11-29 22:15:27 +0200
committerJan Kara <jack@suse.cz>2021-12-15 14:04:03 +0100
commitad69cd9972e79aba103ba5365de0acd35770c265 (patch)
treed9e5682783f8d4ce6b6ead1474dfee908ec41093 /fs/notify
parent5472f14a37421d1bca3dddf33cabd3bd6dbefbbc (diff)
fsnotify: clarify object type argument
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. Link: https://lore.kernel.org/r/20211129201537.1932819-2-amir73il@gmail.com Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/notify')
-rw-r--r--fs/notify/fanotify/fanotify_user.c8
-rw-r--r--fs/notify/group.c2
-rw-r--r--fs/notify/mark.c27
3 files changed, 20 insertions, 17 deletions
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 559bc1e9926d..ab24c37f1fdf 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -1057,7 +1057,7 @@ 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 ucounts *ucounts = group->fanotify_data.ucounts;
@@ -1080,7 +1080,7 @@ static struct fsnotify_mark *fanotify_add_new_mark(struct fsnotify_group *group,
}
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);
goto out_dec_ucounts;
@@ -1105,7 +1105,7 @@ static int fanotify_group_init_error_pool(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)
{
@@ -1116,7 +1116,7 @@ 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 6a297efc4788..b7d4d64f87c2 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 fa1d99101f89..52af2e9dadc0 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -496,7 +496,7 @@ 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;
@@ -507,7 +507,7 @@ 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) {
@@ -572,7 +572,8 @@ out:
* 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;
@@ -580,7 +581,7 @@ 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) */
@@ -592,7 +593,8 @@ restart:
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;
@@ -665,7 +667,7 @@ out_err:
* 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;
@@ -686,7 +688,7 @@ 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;
@@ -706,13 +708,14 @@ err:
}
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;
}
@@ -747,14 +750,14 @@ 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;
}
@@ -769,7 +772,7 @@ 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);