From: Al Viro Date: Sun, 12 Jan 2025 08:07:01 +0000 (+0000) Subject: slub: don't mess with ->d_name X-Git-Tag: v6.14-rc1~55^2~9 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=f9c8dbc8292ff80c858d67c3afabec5a8adb5ab8;p=linux-block.git slub: don't mess with ->d_name Signed-off-by: Al Viro Link: https://lore.kernel.org/r/20250112080705.141166-17-viro@zeniv.linux.org.uk Signed-off-by: Greg Kroah-Hartman --- diff --git a/mm/slub.c b/mm/slub.c index c2151c9fee22..4f006b047552 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -7513,10 +7513,7 @@ static int slab_debug_trace_open(struct inode *inode, struct file *filep) return -ENOMEM; } - if (strcmp(filep->f_path.dentry->d_name.name, "alloc_traces") == 0) - alloc = TRACK_ALLOC; - else - alloc = TRACK_FREE; + alloc = debugfs_get_aux_num(filep); if (!alloc_loc_track(t, PAGE_SIZE / sizeof(struct location), GFP_KERNEL)) { bitmap_free(obj_map); @@ -7572,11 +7569,11 @@ static void debugfs_slab_add(struct kmem_cache *s) slab_cache_dir = debugfs_create_dir(s->name, slab_debugfs_root); - debugfs_create_file("alloc_traces", 0400, - slab_cache_dir, s, &slab_debugfs_fops); + debugfs_create_file_aux_num("alloc_traces", 0400, slab_cache_dir, s, + TRACK_ALLOC, &slab_debugfs_fops); - debugfs_create_file("free_traces", 0400, - slab_cache_dir, s, &slab_debugfs_fops); + debugfs_create_file_aux_num("free_traces", 0400, slab_cache_dir, s, + TRACK_FREE, &slab_debugfs_fops); } void debugfs_slab_release(struct kmem_cache *s)