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authorLinus Torvalds <torvalds@linux-foundation.org>2024-03-11 19:02:06 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2024-03-11 19:02:06 +0100
commit0f1a876682f0979d6a1e5f86861dd562d1758936 (patch)
tree8f366cddf7bf5544d0af8266e99ff1718f977a28 /mm
parentMerge tag 'vfs-6.9.super' of git://git.kernel.org/pub/scm/linux/kernel/git/vf... (diff)
parentMerge series "filesystem visibility ioctls" of https://lore.kernel.org/r/2024... (diff)
downloadlinux-0f1a876682f0979d6a1e5f86861dd562d1758936.tar.xz
linux-0f1a876682f0979d6a1e5f86861dd562d1758936.zip
Merge tag 'vfs-6.9.uuid' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs uuid updates from Christian Brauner: "This adds two new ioctl()s for getting the filesystem uuid and retrieving the sysfs path based on the path of a mounted filesystem. Getting the filesystem uuid has been implemented in filesystem specific code for a while it's now lifted as a generic ioctl" * tag 'vfs-6.9.uuid' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: xfs: add support for FS_IOC_GETFSSYSFSPATH fs: add FS_IOC_GETFSSYSFSPATH fat: Hook up sb->s_uuid fs: FS_IOC_GETUUID ovl: convert to super_set_uuid() fs: super_set_uuid()
Diffstat (limited to 'mm')
-rw-r--r--mm/shmem.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index 6fed524343cb..29d5a024df48 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -4355,7 +4355,9 @@ static int shmem_fill_super(struct super_block *sb, struct fs_context *fc)
#ifdef CONFIG_TMPFS_POSIX_ACL
sb->s_flags |= SB_POSIXACL;
#endif
- uuid_gen(&sb->s_uuid);
+ uuid_t uuid;
+ uuid_gen(&uuid);
+ super_set_uuid(sb, uuid.b, sizeof(uuid));
#ifdef CONFIG_TMPFS_QUOTA
if (ctx->seen & SHMEM_SEEN_QUOTA) {