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tracefs: remove stale 'update_gid' code

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The 'eventfs_update_gid()' function is no longer called, so remove it
(and the helper function it uses).

Link: https://lore.kernel.org/all/CAHk-=wj+DsZZ=2iTUkJ-Nojs9fjYMvPs1NuoM3yK7aTDtJfPYQ@mail.gmail.com/

Fixes: 8186fff7ab ("tracefs/eventfs: Use root and instance inodes as default ownership")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Linus Torvalds 2024-01-27 13:21:14 -08:00 committed by Steven Rostedt (Google)
parent 0958b33ef5
commit 29142dc92c
2 changed files with 0 additions and 39 deletions
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38
fs/tracefs/event_inode.c
View File

@ -281,44 +281,6 @@ static void update_inode_attr(struct dentry *dentry, struct inode *inode,
inode->i_gid = attr->gid;
}
static void update_gid(struct eventfs_inode *ei, kgid_t gid, int level)
{
struct eventfs_inode *ei_child;
/* at most we have events/system/event */
if (WARN_ON_ONCE(level > 3))
return;
ei->attr.gid = gid;
if (ei->entry_attrs) {
for (int i = 0; i < ei->nr_entries; i++) {
ei->entry_attrs[i].gid = gid;
}
}
/*
* Only eventfs_inode with dentries are updated, make sure
* all eventfs_inodes are updated. If one of the children
* do not have a dentry, this function must traverse it.
*/
list_for_each_entry_srcu(ei_child, &ei->children, list,
srcu_read_lock_held(&eventfs_srcu)) {
if (!ei_child->dentry)
update_gid(ei_child, gid, level + 1);
}
}
void eventfs_update_gid(struct dentry *dentry, kgid_t gid)
{
struct eventfs_inode *ei = dentry->d_fsdata;
int idx;
idx = srcu_read_lock(&eventfs_srcu);
update_gid(ei, gid, 0);
srcu_read_unlock(&eventfs_srcu, idx);
}
/**
* create_file - create a file in the tracefs filesystem
* @name: the name of the file to create.

1
fs/tracefs/internal.h
View File

@ -82,7 +82,6 @@ struct inode *tracefs_get_inode(struct super_block *sb);
struct dentry *eventfs_start_creating(const char *name, struct dentry *parent);
struct dentry *eventfs_failed_creating(struct dentry *dentry);
struct dentry *eventfs_end_creating(struct dentry *dentry);
void eventfs_update_gid(struct dentry *dentry, kgid_t gid);
void eventfs_set_ei_status_free(struct tracefs_inode *ti, struct dentry *dentry);
#endif /* _TRACEFS_INTERNAL_H */