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Dave Chinner fbe7e52003 xfs: fallocate() should call file_modified() 
In XFS, we always update the inode change and modification time when
any fallocate() operation succeeds.  Furthermore, as various
fallocate modes can change the file contents (extending EOF,
punching holes, zeroing things, shifting extents), we should drop
file privileges like suid just like we do for a regular write().
There's already a VFS helper that figures all this out for us, so
use that.

The net effect of this is that we no longer drop suid/sgid if the
caller is root, but we also now drop file capabilities.

We also move the xfs_update_prealloc_flags() function so that it now
is only called by the scope that needs to set the the prealloc flag.

Based on a patch from Darrick Wong.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2022-02-01 14:14:48 -08:00
..
9p
9p-for-5.17-rc1: fixes, split 9p_net_fd, new reviewer
2022-01-16 07:36:49 +02:00
adfs
fs/adfs: remove unneeded variable make code cleaner
2022-01-20 08:52:55 +02:00
affs
affs: use bdev_nr_sectors instead of open coding it
2021-10-18 14:43:22 -06:00
afs
proc: remove PDE_DATA() completely
2022-01-22 08:33:37 +02:00
autofs
autofs: fix wait name hash calculation in autofs_wait()
2021-10-20 21:09:02 -04:00
befs
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
bfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
btrfs
mm: remove cleancache
2022-01-22 08:33:38 +02:00
cachefiles
cachefiles: Check that the backing filesystem supports tmpfiles
2022-01-21 21:36:28 +00:00
ceph
fscache fixes
2022-01-22 10:59:32 +02:00
cifs
cifs: update internal module number
2022-01-19 23:14:34 -06:00
coda
coda: bump module version to 7.2
2021-11-09 10:02:51 -08:00
configfs
configfs: fix a race in configfs_lookup()
2021-08-25 07:58:49 +02:00
cramfs
cramfs: use bdev_nr_bytes instead of open coding it
2021-10-18 14:43:22 -06:00
crypto
fscrypt: improve a few comments
2021-10-25 19:11:50 -07:00
debugfs
debugfs: lockdown: Allow reading debugfs files that are not world readable
2022-01-06 15:47:41 +01:00
devpts
…
dlm
driver core changes for 5.17-rc1
2022-01-12 11:11:34 -08:00
ecryptfs
fs: add is_idmapped_mnt() helper
2021-12-03 18:44:06 +01:00
efivarfs
…
efs
…
erofs
dax + libnvdimm for v5.17
2022-01-12 15:46:11 -08:00
exfat
exfat: fix missing REQ_SYNC in exfat_update_bhs()
2022-01-10 11:00:04 +09:00
exportfs
…
ext2
fsdax: shift partition offset handling into the file systems
2021-12-04 08:58:54 -08:00
ext4
mm: remove cleancache
2022-01-22 08:33:38 +02:00
f2fs
bitmap patches for 5.17-rc1
2022-01-23 06:20:44 +02:00
fat
FAT: use io_schedule_timeout() instead of congestion_wait()
2022-01-20 08:52:54 +02:00
freevxfs
…
fscache
fscache: Fix the volume collision wait condition
2022-01-21 21:36:28 +00:00
fuse
virtio,vdpa,qemu_fw_cfg: features, cleanups, fixes
2022-01-18 10:05:48 +02:00
gfs2
driver core changes for 5.17-rc1
2022-01-12 11:11:34 -08:00
hfs
Merge branch 'akpm' (patches from Andrew)
2021-11-09 10:11:53 -08:00
hfsplus
hfsplus: use struct_group_attr() for memcpy() region
2022-01-20 08:52:54 +02:00
hostfs
hostfs: Fix writeback of dirty pages
2021-12-21 21:44:27 +01:00
hpfs
treewide: Replace open-coded flex arrays in unions
2021-10-18 12:28:53 -07:00
hugetlbfs
hugetlbfs: fix off-by-one error in hugetlb_vmdelete_list()
2022-01-15 16:30:30 +02:00
iomap
dax + libnvdimm for v5.17
2022-01-12 15:46:11 -08:00
isofs
isofs: Fix out of bound access for corrupted isofs image
2021-10-19 12:51:02 +02:00
jbd2
proc: remove PDE_DATA() completely
2022-01-22 08:33:37 +02:00
jffs2
Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-01-17 05:49:30 +02:00
jfs
Just one JFS patch
2021-11-03 09:23:25 -07:00
kernfs
kernfs: prevent early freeing of root node
2021-12-03 14:36:21 +01:00
ksmbd
23 ksmbd server fixes
2022-01-20 13:39:13 +02:00
lockd
Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-01-17 05:49:30 +02:00
minix
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
netfs
netfs: Make ops->init_rreq() optional
2022-01-21 21:36:28 +00:00
nfs
Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-01-17 05:49:30 +02:00
nfs_common
nfs: Fix kerneldoc warning shown up by W=1
2021-10-04 22:02:17 +01:00
nfsd
Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-01-17 05:49:30 +02:00
nilfs2
Merge branch 'akpm' (patches from Andrew)
2022-01-20 10:41:01 +02:00
nls
…
notify
inotify: simplify subdirectory registration with register_sysctl()
2022-01-22 08:33:35 +02:00
ntfs
fs/ntfs/attrib.c: fix one kernel-doc comment
2022-01-15 16:30:24 +02:00
ntfs3
mm: remove cleancache
2022-01-22 08:33:38 +02:00
ocfs2
bitmap patches for 5.17-rc1
2022-01-23 06:20:44 +02:00
omfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
openpromfs
…
orangefs
orangefs: Fix the size of a memory allocation in orangefs_bufmap_alloc()
2021-12-31 14:37:43 -05:00
overlayfs
fs: add is_idmapped_mnt() helper
2021-12-03 18:44:06 +01:00
proc
proc: remove PDE_DATA() completely
2022-01-22 08:33:37 +02:00
pstore
pstore update for v5.17-rc1
2022-01-10 11:48:37 -08:00
qnx4
qnx4: work around gcc false positive warning bug
2021-09-21 08:36:48 -07:00
qnx6
…
quota
\n
2021-11-06 16:40:48 -07:00
ramfs
Merge branch 'akpm' (patches from Andrew)
2021-11-09 10:11:53 -08:00
reiserfs
reiserfs: don't use congestion_wait()
2021-11-18 11:52:22 +01:00
romfs
…
smbfs_common
smb3: add new defines from protocol specification
2022-01-18 16:50:47 -06:00
squashfs
squashfs: provide backing_dev_info in order to disable read-ahead
2022-01-15 16:30:24 +02:00
sysfs
fs/sysfs/dir.c: replace S_IRWXU|S_IRUGO|S_IXUGO with 0755 sysfs_create_dir_ns()
2021-10-05 16:35:05 +02:00
sysv
sysv: use BUILD_BUG_ON instead of runtime check
2021-11-09 10:02:52 -08:00
tracefs
Tracing updates for 5.17:
2022-01-16 10:15:32 +02:00
ubifs
ubifs: read-only if LEB may always be taken in ubifs_garbage_collect
2021-12-23 22:30:38 +01:00
udf
udf: Fix error handling in udf_new_inode()
2021-12-15 13:08:34 +01:00
ufs
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
unicode
unicode: fix .gitignore for generated utfdata file
2022-01-17 07:26:43 +02:00
vboxsf
vboxfs: fix broken legacy mount signature checking
2021-09-27 11:26:21 -07:00
verity
fs-verity: fix signed integer overflow with i_size near S64_MAX
2021-09-22 10:56:34 -07:00
xfs
xfs: fallocate() should call file_modified()
2022-02-01 14:14:48 -08:00
zonefs
zonefs: add MODULE_ALIAS_FS
2021-12-17 16:56:35 +09:00
aio.c
aio: move aio sysctl to aio.c
2022-01-22 08:33:34 +02:00
anon_inodes.c
fs: add anon_inode_getfile_secure() similar to anon_inode_getfd_secure()
2021-09-19 22:35:37 -04:00
attr.c
fs: handle circular mappings correctly
2021-11-17 09:26:09 +01:00
bad_inode.c
vfs: add rcu argument to ->get_acl() callback
2021-08-18 22:08:24 +02:00
binfmt_aout.c
binfmt: a.out: Fix bogus semicolon
2021-09-05 10:15:05 -07:00
binfmt_elf_fdpic.c
coredump: Limit coredumps to a single thread group
2021-10-08 12:06:02 -05:00
binfmt_elf.c
fs/binfmt_elf: use PT_LOAD p_align values for static PIE
2022-01-20 08:52:54 +02:00
binfmt_flat.c
binfmt: remove in-tree usage of MAP_EXECUTABLE
2021-06-29 10:53:50 -07:00
binfmt_misc.c
fs: move binfmt_misc sysctl to its own file
2022-01-22 08:33:35 +02:00
binfmt_script.c
…
buffer.c
fs/buffer: Convert __block_write_begin_int() to take a folio
2021-12-16 15:49:51 -05:00
char_dev.c
…
compat_binfmt_elf.c
…
coredump.c
fs/coredump: move coredump sysctls into its own file
2022-01-22 08:33:36 +02:00
d_path.c
d_path: fix Kernel doc validator complaining
2021-11-06 13:30:32 -07:00
dax.c
dax: remove the copy_from_iter and copy_to_iter methods
2021-12-18 08:04:53 -08:00
dcache.c
fs: move dcache sysctls to its own file
2022-01-22 08:33:36 +02:00
direct-io.c
fs: get rid of the res2 iocb->ki_complete argument
2021-10-25 10:36:24 -06:00
drop_caches.c
fs: drop_caches: fix skipping over shadow cache inodes
2021-09-03 09:58:10 -07:00
eventfd.c
eventfd: Export eventfd_wake_count to modules
2021-09-06 07:20:56 -04:00
eventpoll.c
eventpoll: simplify sysctl declaration with register_sysctl()
2022-01-22 08:33:35 +02:00
exec.c
fs/coredump: move coredump sysctls into its own file
2022-01-22 08:33:36 +02:00
fcntl.c
Merge branch 'akpm' (patches from Andrew)
2021-09-03 10:08:28 -07:00
fhandle.c
…
file_table.c
fs: move fs stat sysctls to file_table.c
2022-01-22 08:33:36 +02:00
file.c
fget: clarify and improve __fget_files() implementation
2021-12-13 10:55:30 -08:00
filesystems.c
fs: simplify get_filesystem_list / get_all_fs_names
2021-08-23 01:25:40 -04:00
fs_context.c
vfs: fs_context: fix up param length parsing in legacy_parse_param
2022-01-18 09:23:19 +02:00
fs_parser.c
fs_parse: allow parameter value to be empty
2021-12-09 14:09:36 -05:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
fscache rewrite
2022-01-12 13:45:12 -08:00
fsopen.c
…
init.c
…
inode.c
fs: move inode sysctls to its own file
2022-01-22 08:33:35 +02:00
internal.h
fs/buffer: Convert __block_write_begin_int() to take a folio
2021-12-16 15:49:51 -05:00
io_uring.c
io_uring: perform poll removal even if async work removal is successful
2022-01-18 19:28:43 -07:00
io-wq.c
io_uring-5.17-2022-01-21
2022-01-21 16:07:21 +02:00
io-wq.h
Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-01-17 05:49:30 +02:00
ioctl.c
fs/ioctl: remove unnecessary __user annotation
2022-01-15 16:30:25 +02:00
Kconfig
cachefiles: Introduce rewritten driver
2022-01-07 13:40:39 +00:00
Kconfig.binfmt
binfmt: remove support for em86 (alpha only)
2021-07-25 22:33:03 -07:00
kernel_read_file.c
vfs: check fd has read access in kernel_read_file_from_fd()
2021-10-18 20:22:03 -10:00
libfs.c
libfs: Support RENAME_EXCHANGE in simple_rename()
2021-11-03 15:43:08 +01:00
locks.c
fs: move locking sysctls where they are used
2022-01-22 08:33:36 +02:00
Makefile
fs: move namespace sysctls and declare fs base directory
2022-01-22 08:33:36 +02:00
mbcache.c
…
mount.h
…
mpage.c
mm: remove cleancache
2022-01-22 08:33:38 +02:00
namei.c
fs: move namei sysctls to its own file
2022-01-22 08:33:36 +02:00
namespace.c
fs: move namespace sysctls and declare fs base directory
2022-01-22 08:33:36 +02:00
no-block.c
…
nsfs.c
…
open.c
fs: support mapped mounts of mapped filesystems
2021-12-05 10:28:57 +01:00
pipe.c
fs: move pipe sysctls to is own file
2022-01-22 08:33:36 +02:00
pnode.c
…
pnode.h
…
posix_acl.c
fs: support mapped mounts of mapped filesystems
2021-12-05 10:28:57 +01:00
proc_namespace.c
fs: add is_idmapped_mnt() helper
2021-12-03 18:44:06 +01:00
read_write.c
fs: remove leftover comments from mandatory locking removal
2021-10-26 12:20:50 -04:00
readdir.c
…
remap_range.c
fs: Convert vfs_dedupe_file_range_compare to folios
2022-01-08 00:28:41 -05:00
select.c
select: Fix indefinitely sleeping task in poll_schedule_timeout()
2022-01-11 09:03:05 -08:00
seq_file.c
seq_file: move seq_escape() to a header
2021-11-09 10:02:52 -08:00
signalfd.c
Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-01-17 05:49:30 +02:00
splice.c
…
stack.c
…
stat.c
fs: add generic helper for filling statx attribute flags
2021-08-17 11:47:43 +02:00
statfs.c
…
super.c
mm: remove cleancache
2022-01-22 08:33:38 +02:00
sync.c
block: simplify the block device syncing code
2021-10-22 08:36:55 -06:00
sysctls.c
fs: move namespace sysctls and declare fs base directory
2022-01-22 08:33:36 +02:00
timerfd.c
timerfd: Provide timerfd_resume()
2021-08-10 17:57:22 +02:00
userfaultfd.c
mm: move anon_vma declarations to linux/mm_inline.h
2022-01-15 16:30:27 +02:00
utimes.c
…
xattr.c
…