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linux/fs
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Filipe Manana b78fe9563e btrfs: fix reloc root cleanup in merge_reloc_roots() 
If the root we got has zero root refs in its root item, we are resetting
the root's ->reloc_root without using barriers like we do everywhere else.
Sashiko complained about this while reviewing another patch, and it's
correct (see the Link tag below).

Also, we should not clear BTRFS_ROOT_DEAD_RELOC_TREE from the root unless
the root points to the reloc root we have.

Fix this by using clear_reloc_root(), which issues the memory barrier
after setting the root's ->reloc_root to NULL and before clearing the bit
BTRFS_ROOT_DEAD_RELOC_TREE from the root.

Link: https://sashiko.dev/#/patchset/cf84f1a217c719e25b6b69e4298dd7afd36c9427.1781194426.git.fdmanana%40suse.com
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2026-07-14 07:02:13 +02:00
..
9p
netfs: Fix potential for tearing in ->remote_i_size and ->zero_point
2026-05-12 14:42:30 +02:00
adfs
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux
2026-04-25 07:44:26 -07:00
affs
Merge tag 'pull-dcache-busy-wait' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2026-04-21 07:30:44 -07:00
afs
afs: Fix the locking used by afs_get_link()
2026-05-12 14:42:33 +02:00
autofs
Merge tag 'vfs-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 14:20:11 -07:00
befs
treewide: change inode->i_ino from unsigned long to u64
2026-03-06 14:31:28 +01:00
bfs
Merge tag 'vfs-7.1-rc1.bh.metadata' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 12:46:42 -07:00
btrfs
btrfs: fix reloc root cleanup in merge_reloc_roots()
2026-07-14 07:02:13 +02:00
cachefiles
cachefiles: Fix error return when vfs_mkdir() fails
2026-05-15 15:32:43 +02:00
ceph
ceph: put folios not suitable for writeback
2026-05-11 10:39:22 +02:00
coda
Merge tag 'pull-coda' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2026-04-21 14:03:10 -07:00
configfs
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
cramfs
treewide: change inode->i_ino from unsigned long to u64
2026-03-06 14:31:28 +01:00
crypto
Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux
2026-04-13 17:29:12 -07:00
debugfs
debugfs: fix placement of EXPORT_SYMBOL_GPL for debugfs_create_str()
2026-04-02 16:15:23 +02:00
devpts
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
dlm
ipv6: convert CONFIG_IPV6 to built-in only and clean up Kconfigs
2026-03-29 11:21:22 -07:00
ecryptfs
Merge tag 'ecryptfs-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
2026-04-20 10:54:17 -07:00
efivarfs
efivarfs: use QSTR() in efivarfs_alloc_dentry
2026-04-28 12:30:59 +02:00
efs
treewide: change inode->i_ino from unsigned long to u64
2026-03-06 14:31:28 +01:00
erofs
erofs: fix EFSCORRUPTED on multi-algorithm images in z_erofs_map_sanity_check()
2026-06-02 01:52:58 +08:00
exfat
Merge tag 'exfat-for-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
2026-04-13 16:57:31 -07:00
exportfs
Merge tag 'pull-dcache-busy-wait' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2026-04-21 07:30:44 -07:00
ext2
Merge tag 'fs_for_v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2026-04-15 19:22:16 -07:00
ext4
Merge tag 'ext4_for_linux-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2026-04-17 17:08:31 -07:00
f2fs
Merge tag 'f2fs-for-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
2026-04-21 14:50:04 -07:00
fat
Merge tag 'vfs-7.1-rc1.bh.metadata' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 12:46:42 -07:00
freevxfs
treewide: change inode->i_ino from unsigned long to u64
2026-03-06 14:31:28 +01:00
fuse
fuse: reject fuse_notify() pagecache ops on directories
2026-05-22 15:19:26 +02:00
gfs2
Merge tag 'gfs2-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
2026-04-15 19:12:04 -07:00
hfs
Merge tag 'vfs-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 14:20:11 -07:00
hfsplus
Merge tag 'hfs-v7.1-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/hfs
2026-04-13 16:50:38 -07:00
hostfs
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
hpfs
hpfs: fix a crash if hpfs_map_dnode_bitmap fails
2026-05-25 14:48:58 +02:00
hugetlbfs
Revert "mm/hugetlbfs: update hugetlbfs to use mmap_prepare"
2026-05-21 19:06:11 -07:00
iomap
Merge tag 'vfs-7.1-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-06-06 07:28:59 -07:00
isofs
isofs: use QSTR_LEN() in isofs_cmp
2026-04-20 17:27:28 +02:00
jbd2
Merge tag 'ext4_for_linux-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2026-04-17 17:08:31 -07:00
jffs2
treewide: change inode->i_ino from unsigned long to u64
2026-03-06 14:31:28 +01:00
jfs
fs: Fix return in jfs_mkdir and orangefs_mkdir
2026-05-11 14:19:01 +02:00
kernfs
Merge tag 'driver-core-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
2026-04-13 19:03:11 -07:00
lockd
Merge tag 'nfsd-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2026-05-26 13:49:13 -07:00
minix
Merge tag 'vfs-7.1-rc1.bh.metadata' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 12:46:42 -07:00
netfs
netfs, afs: Fix write skipping in dir/link writepages
2026-05-12 14:42:32 +02:00
nfs
NFS: write_completion: dereference loop-local req, not hdr->req
2026-06-02 10:27:45 +02:00
nfs_common
NFSD: Remove NFSERR_EAGAIN
2026-01-02 13:43:41 -05:00
nfsd
Merge tag 'nfsd-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2026-05-26 13:49:13 -07:00
nilfs2
Merge tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-04-15 12:59:16 -07:00
nls
fs/nls: Fix inconsistency between utf8_to_utf32() and utf32_to_utf8()
2025-12-01 11:58:06 +02:00
notify
Merge tag 'fsnotify_for_v7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2026-04-27 16:40:24 -07:00
ntfs
ntfs: restore $MFT mirror contents check
2026-05-11 23:30:48 +09:00
ntfs3
Merge tag 'ntfs3_for_7.1' of https://github.com/Paragon-Software-Group/linux-ntfs3
2026-04-20 10:59:47 -07:00
ocfs2
Merge tag 'pull-dcache-busy-wait' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2026-04-21 07:30:44 -07:00
omfs
Merge tag 'vfs-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 14:20:11 -07:00
openpromfs
Coccinelle-based conversion to use ->i_state accessors
2025-10-20 20:22:26 +02:00
orangefs
fs: Fix return in jfs_mkdir and orangefs_mkdir
2026-05-11 14:19:01 +02:00
overlayfs
ovl: keep err zero after successful ovl_cache_get()
2026-05-18 14:56:15 +02:00
proc
Merge tag 'mm-nonmm-stable-2026-04-15-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-04-16 20:11:56 -07:00
pstore
Merge tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-04-15 12:59:16 -07:00
qnx4
Merge tag 'vfs-7.1-rc1.bh.metadata' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 12:46:42 -07:00
qnx6
fs/qnx6: fix pointer arithmetic in directory iteration
2026-05-28 14:16:33 +02:00
quota
quota: Fix race of dquot_scan_active() with quota deactivation
2026-03-25 13:15:36 +01:00
ramfs
folio_batch: rename pagevec.h to folio_batch.h
2026-04-05 13:53:07 -07:00
resctrl
Merge tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-04-15 12:59:16 -07:00
romfs
Merge tag 'mm-stable-2026-02-18-19-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-02-18 20:50:32 -08:00
smb
ksmbd: fix use-after-free of a deferred file_lock on double SMB2_CANCEL
2026-05-31 19:13:48 -05:00
squashfs
Squashfs: check metadata block offset is within range
2026-02-24 11:13:27 -08:00
sysfs
sysfs: don't remove existing directory on update failure
2026-05-20 17:13:20 +02:00
tests
fs/tests: exec: Remove bad test vector
2026-03-18 11:41:53 -07:00
tracefs
Merge tag 'tracefs-v7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
2026-04-22 15:09:01 -07:00
ubifs
Merge tag 'mm-nonmm-stable-2026-04-15-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-04-16 20:11:56 -07:00
udf
udf: reject descriptors with oversized CRC length
2026-04-22 17:14:48 +02:00
ufs
Merge tag 'vfs-7.1-rc1.bh.metadata' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 12:46:42 -07:00
unicode
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
vboxsf
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
verity
Merge tag 'vfs-7.1-rc1.kino' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 12:19:01 -07:00
xfs
xfs: Remove mention of PageWriteback
2026-05-30 08:26:18 +02:00
zonefs
zonefs: handle integer overflow in zonefs_fname_to_fno
2026-05-12 07:53:20 +09:00
aio.c
fs: aio: reject partial mremap to avoid Null-pointer-dereference error
2026-04-24 00:34:59 +02:00
anon_inodes.c
anon_inodes: convert to FD_ADD()
2025-11-28 12:42:31 +01:00
attr.c
fs: attr: fix comment formatting and spelling issues
2026-04-07 11:26:11 +02:00
backing-file.c
lsm: add backing_file LSM hooks
2026-04-03 16:53:50 -04:00
bad_inode.c
fs: refactor ->update_time handling
2026-01-12 14:01:32 +01:00
binfmt_elf_fdpic.c
Merge tag 'vfs-7.1-rc1.kino' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 12:19:01 -07:00
binfmt_elf.c
mm: unexport vm_brk_flags() and eliminate vm_flags parameter
2026-04-05 13:53:39 -07:00
binfmt_flat.c
…
binfmt_misc.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
binfmt_script.c
…
bpf_fs_kfuncs.c
bpf: Remove redundant KF_TRUSTED_ARGS flag from all kfuncs
2026-01-02 12:04:28 -08:00
buffer.c
Merge tag 'vfs-7.1-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-23 17:08:04 -07:00
char_dev.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
compat_binfmt_elf.c
…
coredump.c
Merge tag 'vfs-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 14:20:11 -07:00
d_path.c
dcache: permit dynamic_dname()s up to NAME_MAX
2026-04-07 12:32:22 +02:00
dax.c
Merge tag 'libnvdimm-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2026-04-21 14:12:01 -07:00
dcache.c
Merge tag 'pull-dcache-busy-wait' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2026-04-21 07:30:44 -07:00
direct-io.c
…
drop_caches.c
Coccinelle-based conversion to use ->i_state accessors
2025-10-20 20:22:26 +02:00
eventfd.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
eventpoll.c
eventpoll: drop vestigial epi->dying flag
2026-04-24 00:37:01 +02:00
exec.c
exec: use strnlen() in __set_task_comm
2026-04-01 12:26:07 -07:00
fcntl.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
fhandle.c
fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()
2026-06-04 09:39:50 +02:00
file_attr.c
Merge tag 'vfs-7.0-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-02-25 10:34:23 -08:00
file_table.c
Merge tag 'lsm-pr-20260410' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm
2026-04-13 15:17:28 -07:00
file.c
Merge tag 'vfs-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 14:20:11 -07:00
filesystems.c
sysfs(2): fs_index() argument is _not_ a pathname
2026-01-16 12:52:04 -05:00
fs_context.c
Merge tag 'vfs-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 14:20:11 -07:00
fs_dirent.c
fs: rename fs_types.h to fs_dirent.h
2025-11-05 09:51:30 +01:00
fs_parser.c
fs: remove fsparam_path / fs_param_is_path
2026-02-19 14:34:26 +01:00
fs_pin.c
…
fs_struct.c
fs: add <linux/init_task.h> for 'init_fs'
2026-01-14 16:50:37 +01:00
fs-writeback.c
Merge tag 'vfs-7.1-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-23 17:08:04 -07:00
fserror.c
treewide: change inode->i_ino from unsigned long to u64
2026-03-06 14:31:28 +01:00
fsopen.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
init.c
Merge tag 'pull-filename' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2026-02-09 16:58:28 -08:00
inode.c
fs: fix forced iversion increment on lazytime timestamp updates
2026-05-11 15:32:12 +02:00
internal.h
Merge tag 'lsm-pr-20260410' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm
2026-04-13 15:17:28 -07:00
ioctl.c
…
Kconfig
ntfs: add Kconfig and Makefile
2026-02-19 21:51:00 +09:00
Kconfig.binfmt
…
kernel_read_file.c
…
libfs.c
Merge tag 'vfs-7.1-rc1.bh.metadata' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 12:46:42 -07:00
locks.c
Merge tag 'nfsd-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2026-04-20 10:44:02 -07:00
Makefile
ntfs: add Kconfig and Makefile
2026-02-19 21:51:00 +09:00
mbcache.c
Merge tag 'vfs-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 14:20:11 -07:00
mnt_idmapping.c
fs/statmount: fix slab out-of-bounds write in statmount_mnt_idmap
2026-05-11 14:19:01 +02:00
mount.h
fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()
2026-06-04 09:39:50 +02:00
mpage.c
Merge tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-04-15 12:59:16 -07:00
namei.c
VFS: fix possible failure to unlock in nfsd4_create_file()
2026-05-28 14:14:04 +02:00
namespace.c
fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()
2026-06-04 09:39:50 +02:00
nsfs.c
nsfs: fix wrong error code returned for pidns ioctls
2026-05-11 15:59:14 +02:00
nullfs.c
fs: add immutable rootfs
2026-01-12 16:52:09 +01:00
open.c
fs: remove do_sys_truncate
2026-03-23 12:41:58 +01:00
pidfs.c
Merge tag 'vfs-7.1-rc1.pidfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-04-13 13:27:11 -07:00
pipe.c
treewide: change inode->i_ino from unsigned long to u64
2026-03-06 14:31:28 +01:00
pnode.c
…
pnode.h
…
posix_acl.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
proc_namespace.c
…
read_write.c
fs: add setlease to generic_ro_fops and read-only filesystem directory operations
2026-01-12 10:55:45 +01:00
readdir.c
fs: Replace user_access_{begin/end} by scoped user access
2026-03-24 14:44:02 +01:00
remap_range.c
…
select.c
fs/select: reject negative timeval components in kern_select()
2026-05-12 14:41:40 +02:00
seq_file.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
signalfd.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
splice.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
stack.c
…
stat.c
statx: switch to CLASS(filename_maybe_null)
2026-01-16 12:52:04 -05:00
statfs.c
user_statfs(): switch to CLASS(filename)
2026-01-16 12:52:04 -05:00
super.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
sync.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
sysctls.c
…
timerfd.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
userfaultfd.c
userfaultfd: allow registration of ranges below mmap_min_addr
2026-04-18 00:10:56 -07:00
utimes.c
do_utimes_path(): switch to CLASS(filename_uflags)
2026-01-16 12:52:03 -05:00
xattr.c
xattr: support extended attributes on sockets
2026-03-02 11:06:42 +01:00