forked from Minki/linux
26c20ffcb5
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Merge tag 'afs-fixes-20200616' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull AFS fixes from David Howells:
"I've managed to get xfstests kind of working with afs. Here are a set
of patches that fix most of the bugs found.
There are a number of primary issues:
- Incorrect handling of mtime and non-handling of ctime. It might be
argued, that the latter isn't a bug since the AFS protocol doesn't
support ctime, but I should probably still update it locally.
- Shared-write mmap, truncate and writeback bugs. This includes not
changing i_size under the callback lock, overwriting local i_size
with the reply from the server after a partial writeback, not
limiting the writeback from an mmapped page to EOF.
- Checks for an abort code indicating that the primary vnode in an
operation was deleted by a third-party are done in the wrong place.
- Silly rename bugs. This includes an incomplete conversion to the
new operation handling, duplicate nlink handling, nlink changing
not being done inside the callback lock and insufficient handling
of third-party conflicting directory changes.
And some secondary ones:
- The UAEOVERFLOW abort code should map to EOVERFLOW not EREMOTEIO.
- Remove a couple of unused or incompletely used bits.
- Remove a couple of redundant success checks.
These seem to fix all the data-corruption bugs found by
./check -afs -g quick
along with the obvious silly rename bugs and time bugs.
There are still some test failures, but they seem to fall into two
classes: firstly, the authentication/security model is different to
the standard UNIX model and permission is arbitrated by the server and
cached locally; and secondly, there are a number of features that AFS
does not support (such as mknod). But in these cases, the tests
themselves need to be adapted or skipped.
Using the in-kernel afs client with xfstests also found a bug in the
AuriStor AFS server that has been fixed for a future release"
* tag 'afs-fixes-20200616' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
afs: Fix silly rename
afs: afs_vnode_commit_status() doesn't need to check the RPC error
afs: Fix use of afs_check_for_remote_deletion()
afs: Remove afs_operation::abort_code
afs: Fix yfs_fs_fetch_status() to honour vnode selector
afs: Remove yfs_fs_fetch_file_status() as it's not used
afs: Fix the mapping of the UAEOVERFLOW abort code
afs: Fix truncation issues and mmap writeback size
afs: Concoct ctimes
afs: Fix EOF corruption
afs: afs_write_end() should change i_size under the right lock
afs: Fix non-setting of mtime when writing into mmap
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|---|---|---|
| .. | ||
| 9p | ||
| adfs | ||
| affs | ||
| afs | ||
| autofs | ||
| befs | ||
| bfs | ||
| btrfs | ||
| cachefiles | ||
| ceph | ||
| cifs | ||
| coda | ||
| configfs | ||
| cramfs | ||
| crypto | ||
| debugfs | ||
| devpts | ||
| dlm | ||
| ecryptfs | ||
| efivarfs | ||
| efs | ||
| erofs | ||
| exfat | ||
| exportfs | ||
| ext2 | ||
| ext4 | ||
| f2fs | ||
| fat | ||
| freevxfs | ||
| fscache | ||
| fuse | ||
| gfs2 | ||
| hfs | ||
| hfsplus | ||
| hostfs | ||
| hpfs | ||
| hugetlbfs | ||
| iomap | ||
| isofs | ||
| jbd2 | ||
| jffs2 | ||
| jfs | ||
| kernfs | ||
| lockd | ||
| minix | ||
| nfs | ||
| nfs_common | ||
| nfsd | ||
| nilfs2 | ||
| nls | ||
| notify | ||
| ntfs | ||
| ocfs2 | ||
| omfs | ||
| openpromfs | ||
| orangefs | ||
| overlayfs | ||
| proc | ||
| pstore | ||
| qnx4 | ||
| qnx6 | ||
| quota | ||
| ramfs | ||
| reiserfs | ||
| romfs | ||
| squashfs | ||
| sysfs | ||
| sysv | ||
| tracefs | ||
| ubifs | ||
| udf | ||
| ufs | ||
| unicode | ||
| vboxsf | ||
| verity | ||
| xfs | ||
| zonefs | ||
| aio.c | ||
| anon_inodes.c | ||
| attr.c | ||
| bad_inode.c | ||
| binfmt_aout.c | ||
| binfmt_elf_fdpic.c | ||
| binfmt_elf.c | ||
| binfmt_em86.c | ||
| binfmt_flat.c | ||
| binfmt_misc.c | ||
| binfmt_script.c | ||
| block_dev.c | ||
| buffer.c | ||
| char_dev.c | ||
| compat_binfmt_elf.c | ||
| compat.c | ||
| coredump.c | ||
| d_path.c | ||
| dax.c | ||
| dcache.c | ||
| dcookies.c | ||
| direct-io.c | ||
| drop_caches.c | ||
| eventfd.c | ||
| eventpoll.c | ||
| exec.c | ||
| fcntl.c | ||
| fhandle.c | ||
| file_table.c | ||
| file.c | ||
| filesystems.c | ||
| fs_context.c | ||
| fs_parser.c | ||
| fs_pin.c | ||
| fs_struct.c | ||
| fs_types.c | ||
| fs-writeback.c | ||
| fsopen.c | ||
| inode.c | ||
| internal.h | ||
| io_uring.c | ||
| io-wq.c | ||
| io-wq.h | ||
| ioctl.c | ||
| Kconfig | ||
| Kconfig.binfmt | ||
| libfs.c | ||
| locks.c | ||
| Makefile | ||
| mbcache.c | ||
| mount.h | ||
| mpage.c | ||
| namei.c | ||
| namespace.c | ||
| no-block.c | ||
| nsfs.c | ||
| open.c | ||
| pipe.c | ||
| pnode.c | ||
| pnode.h | ||
| posix_acl.c | ||
| proc_namespace.c | ||
| read_write.c | ||
| readdir.c | ||
| select.c | ||
| seq_file.c | ||
| signalfd.c | ||
| splice.c | ||
| stack.c | ||
| stat.c | ||
| statfs.c | ||
| super.c | ||
| sync.c | ||
| timerfd.c | ||
| userfaultfd.c | ||
| utimes.c | ||
| xattr.c | ||