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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-08-08 11:10:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-08-08 11:10:02 -0700 |
| commit | 2bd5d41e0e9d8e423a0bd446ee174584c8a495fe (patch) | |
| tree | 720682607966689b7579344c5e8890f8bc8a6628 /fs/fuse/inode.c | |
| parent | 65512eb0e9e6308ca08110c88a9619a9e5a19aa9 (diff) | |
| parent | 247861c325c2e4f5ad3c2f9a77ab9d85d15cbcfc (diff) | |
| download | linux-2bd5d41e0e9d8e423a0bd446ee174584c8a495fe.tar.bz2 | |
Merge tag 'fuse-update-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
- Fix an issue with reusing the bdi in case of block based filesystems
- Allow root (in init namespace) to access fuse filesystems in user
namespaces if expicitly enabled with a module param
- Misc fixes
* tag 'fuse-update-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: retire block-device-based superblock on force unmount
vfs: function to prevent re-use of block-device-based superblocks
virtio_fs: Modify format for virtio_fs_direct_access
virtiofs: delete unused parameter for virtio_fs_cleanup_vqs
fuse: Add module param for CAP_SYS_ADMIN access bypassing allow_other
fuse: Remove the control interface for virtio-fs
fuse: ioctl: translate ENOSYS
fuse: limit nsec
fuse: avoid unnecessary spinlock bump
fuse: fix deadlock between atomic O_TRUNC and page invalidation
fuse: write inode in fuse_release()
Diffstat (limited to 'fs/fuse/inode.c')
| -rw-r--r-- | fs/fuse/inode.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 8c0665c5dff8..6b3beda16c1b 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -180,6 +180,12 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr, inode->i_uid = make_kuid(fc->user_ns, attr->uid); inode->i_gid = make_kgid(fc->user_ns, attr->gid); inode->i_blocks = attr->blocks; + + /* Sanitize nsecs */ + attr->atimensec = min_t(u32, attr->atimensec, NSEC_PER_SEC - 1); + attr->mtimensec = min_t(u32, attr->mtimensec, NSEC_PER_SEC - 1); + attr->ctimensec = min_t(u32, attr->ctimensec, NSEC_PER_SEC - 1); + inode->i_atime.tv_sec = attr->atime; inode->i_atime.tv_nsec = attr->atimensec; /* mtime from server may be stale due to local buffered write */ @@ -476,8 +482,14 @@ static void fuse_umount_begin(struct super_block *sb) { struct fuse_conn *fc = get_fuse_conn_super(sb); - if (!fc->no_force_umount) - fuse_abort_conn(fc); + if (fc->no_force_umount) + return; + + fuse_abort_conn(fc); + + // Only retire block-device-based superblocks. + if (sb->s_bdev != NULL) + retire_super(sb); } static void fuse_send_destroy(struct fuse_mount *fm) |