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authorThomas Zimmermann <tzimmermann@suse.de>2023-10-11 09:50:59 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2023-10-11 09:50:59 +0200
commit57390019b68b83f96eb98f490367b9df1f2d77cb (patch)
treee6d4b6c75efdd2d7fb7d37f980688c491be3ff6a /fs/kernfs/mount.c
parente5f9d543419c78ac58f3b3557bc5a76b20ff600b (diff)
parent389af786f92ecdff35883551d54bf4e507ffcccb (diff)
Merge drm/drm-next into drm-misc-next
Updating drm-misc-next to the state of Linux v6.6-rc2. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'fs/kernfs/mount.c')
-rw-r--r--fs/kernfs/mount.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c
index d49606accb07..c4bf26142eec 100644
--- a/fs/kernfs/mount.c
+++ b/fs/kernfs/mount.c
@@ -16,6 +16,8 @@
#include <linux/namei.h>
#include <linux/seq_file.h>
#include <linux/exportfs.h>
+#include <linux/uuid.h>
+#include <linux/statfs.h>
#include "kernfs-internal.h"
@@ -45,8 +47,15 @@ static int kernfs_sop_show_path(struct seq_file *sf, struct dentry *dentry)
return 0;
}
+static int kernfs_statfs(struct dentry *dentry, struct kstatfs *buf)
+{
+ simple_statfs(dentry, buf);
+ buf->f_fsid = uuid_to_fsid(dentry->d_sb->s_uuid.b);
+ return 0;
+}
+
const struct super_operations kernfs_sops = {
- .statfs = simple_statfs,
+ .statfs = kernfs_statfs,
.drop_inode = generic_delete_inode,
.evict_inode = kernfs_evict_inode,
@@ -351,6 +360,8 @@ int kernfs_get_tree(struct fs_context *fc)
}
sb->s_flags |= SB_ACTIVE;
+ uuid_gen(&sb->s_uuid);
+
down_write(&root->kernfs_supers_rwsem);
list_add(&info->node, &info->root->supers);
up_write(&root->kernfs_supers_rwsem);