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fsnotify: add fsnotify_add_inode_mark() wrappers 

Before changing the arguments of the functions fsnotify_add_mark()
and fsnotify_add_mark_locked(), convert most callers to use a wrapper.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Amir Goldstein 2018-04-20 16:10:55 -07:00 committed by Jan Kara
parent 837a393438
commit b249f5be61
6 changed files with 24 additions and 10 deletions
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2
fs/notify/dnotify/dnotify.c
View File

@ -319,7 +319,7 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
dn_mark = container_of(fsn_mark, struct dnotify_mark, fsn_mark); dn_mark = container_of(fsn_mark, struct dnotify_mark, fsn_mark);
spin_lock(&fsn_mark->lock); spin_lock(&fsn_mark->lock);
} else { } else {
error = fsnotify_add_mark_locked(new_fsn_mark, inode, NULL, 0); error = fsnotify_add_inode_mark_locked(new_fsn_mark, inode, 0);
if (error) { if (error) {
mutex_unlock(&dnotify_group->mark_mutex); mutex_unlock(&dnotify_group->mark_mutex);
goto out_err; goto out_err;

2
fs/notify/inotify/inotify_user.c
View File

@ -582,7 +582,7 @@ static int inotify_new_watch(struct fsnotify_group *group,
} }
/* we are on the idr, now get on the inode */ /* we are on the idr, now get on the inode */
ret = fsnotify_add_mark_locked(&tmp_i_mark->fsn_mark, inode, NULL, 0); ret = fsnotify_add_inode_mark_locked(&tmp_i_mark->fsn_mark, inode, 0);
if (ret) { if (ret) {
/* we failed to get on the inode, get off the idr */ /* we failed to get on the inode, get off the idr */
inotify_remove_from_idr(group, tmp_i_mark); inotify_remove_from_idr(group, tmp_i_mark);

16
include/linux/fsnotify_backend.h
View File

@ -401,7 +401,21 @@ extern struct fsnotify_mark *fsnotify_find_mark(
extern int fsnotify_add_mark(struct fsnotify_mark *mark, struct inode *inode, extern int fsnotify_add_mark(struct fsnotify_mark *mark, struct inode *inode,
struct vfsmount *mnt, int allow_dups); struct vfsmount *mnt, int allow_dups);
extern int fsnotify_add_mark_locked(struct fsnotify_mark *mark, extern int fsnotify_add_mark_locked(struct fsnotify_mark *mark,
struct inode *inode, struct vfsmount *mnt, int allow_dups); struct inode *inode, struct vfsmount *mnt,
int allow_dups);
/* attach the mark to the inode */
static inline int fsnotify_add_inode_mark(struct fsnotify_mark *mark,
struct inode *inode,
int allow_dups)
{
return fsnotify_add_mark(mark, inode, NULL, allow_dups);
}
static inline int fsnotify_add_inode_mark_locked(struct fsnotify_mark *mark,
struct inode *inode,
int allow_dups)
{
return fsnotify_add_mark_locked(mark, inode, NULL, allow_dups);
}
/* given a group and a mark, flag mark to be freed when all references are dropped */ /* given a group and a mark, flag mark to be freed when all references are dropped */
extern void fsnotify_destroy_mark(struct fsnotify_mark *mark, extern void fsnotify_destroy_mark(struct fsnotify_mark *mark,
struct fsnotify_group *group); struct fsnotify_group *group);

2
kernel/audit_fsnotify.c
View File

@ -109,7 +109,7 @@ struct audit_fsnotify_mark *audit_alloc_mark(struct audit_krule *krule, char *pa
audit_update_mark(audit_mark, dentry->d_inode); audit_update_mark(audit_mark, dentry->d_inode);
audit_mark->rule = krule; audit_mark->rule = krule;
ret = fsnotify_add_mark(&audit_mark->mark, inode, NULL, true); ret = fsnotify_add_inode_mark(&audit_mark->mark, inode, true);
if (ret < 0) { if (ret < 0) {
fsnotify_put_mark(&audit_mark->mark); fsnotify_put_mark(&audit_mark->mark);
audit_mark = ERR_PTR(ret); audit_mark = ERR_PTR(ret);

10
kernel/audit_tree.c
View File

@ -288,8 +288,8 @@ static void untag_chunk(struct node *p)
if (!new) if (!new)
goto Fallback; goto Fallback;
if (fsnotify_add_mark_locked(&new->mark, entry->connector->inode, if (fsnotify_add_inode_mark_locked(&new->mark, entry->connector->inode,
NULL, 1)) { 1)) {
fsnotify_put_mark(&new->mark); fsnotify_put_mark(&new->mark);
goto Fallback; goto Fallback;
} }
@ -354,7 +354,7 @@ static int create_chunk(struct inode *inode, struct audit_tree *tree)
return -ENOMEM; return -ENOMEM;
entry = &chunk->mark; entry = &chunk->mark;
if (fsnotify_add_mark(entry, inode, NULL, 0)) { if (fsnotify_add_inode_mark(entry, inode, 0)) {
fsnotify_put_mark(entry); fsnotify_put_mark(entry);
return -ENOSPC; return -ENOSPC;
} }
@ -434,8 +434,8 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree)
return -ENOENT; return -ENOENT;
} }
if (fsnotify_add_mark_locked(chunk_entry, if (fsnotify_add_inode_mark_locked(chunk_entry,
old_entry->connector->inode, NULL, 1)) { old_entry->connector->inode, 1)) {
spin_unlock(&old_entry->lock); spin_unlock(&old_entry->lock);
mutex_unlock(&old_entry->group->mark_mutex); mutex_unlock(&old_entry->group->mark_mutex);
fsnotify_put_mark(chunk_entry); fsnotify_put_mark(chunk_entry);

2
kernel/audit_watch.c
View File

@ -160,7 +160,7 @@ static struct audit_parent *audit_init_parent(struct path *path)
fsnotify_init_mark(&parent->mark, audit_watch_group); fsnotify_init_mark(&parent->mark, audit_watch_group);
parent->mark.mask = AUDIT_FS_WATCH; parent->mark.mask = AUDIT_FS_WATCH;
ret = fsnotify_add_mark(&parent->mark, inode, NULL, 0); ret = fsnotify_add_inode_mark(&parent->mark, inode, 0);
if (ret < 0) { if (ret < 0) {
audit_free_parent(parent); audit_free_parent(parent);
return ERR_PTR(ret); return ERR_PTR(ret);