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Chandan Babu R 5147ef30f2 xfs: Fix dax inode extent calculation when direct write is performed on an unwritten extent 
With dax enabled filesystems, a direct write operation into an existing
unwritten extent results in xfs_iomap_write_direct() zero-ing and converting
the extent into a normal extent before the actual data is copied from the
userspace buffer.

The inode extent count can increase by 2 if the extent range being written to
maps to the middle of the existing unwritten extent range. Hence this commit
uses XFS_IEXT_WRITE_UNWRITTEN_CNT as the extent count delta when such a write
operation is being performed.

Fixes: 727e1acd297c ("xfs: Check for extent overflow when trivally adding a new extent")
Reported-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2021-04-07 14:36:33 -07:00
..
9p
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-27 08:07:12 -08:00
adfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
affs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
afs
afs: Stop listxattr() from listing "afs.*" attributes
2021-03-15 17:09:54 +00:00
autofs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
befs
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
bfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
btrfs
for-5.12-rc3-tag
2021-03-18 13:38:42 -07:00
cachefiles
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
ceph
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
cifs
cifs: fix allocation size on newly created files
2021-03-19 11:51:31 -05:00
coda
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
configfs
configfs: fix a use-after-free in __configfs_open_file
2021-03-11 12:13:48 +01:00
cramfs
cramfs: use %pD instead of messing with file_dentry()->d_name
2021-01-05 23:02:47 -05:00
crypto
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
debugfs
Driver core / debugfs update for 5.12-rc1
2021-02-24 10:13:55 -08:00
devpts
…
dlm
fs: dlm: check on existing node address
2020-11-10 12:14:20 -06:00
ecryptfs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
efivarfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
efs
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
erofs
Change since last update:
2021-03-13 12:26:22 -08:00
exfat
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
exportfs
exportfs: Add a function to return the raw output from fh_to_dentry()
2020-12-09 09:39:38 -05:00
ext2
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
ext4
Miscellaneous ext4 bug fixes for v5.12.
2021-03-21 14:06:10 -07:00
f2fs
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
fat
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
freevxfs
…
fscache
…
fuse
fuse: 32-bit user space ioctl compat for fuse device
2021-03-16 15:20:16 +01:00
gfs2
block-5.12-2021-03-12-v2
2021-03-12 13:25:49 -08:00
hfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
hfsplus
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
hostfs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
hpfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
hugetlbfs
hugetlbfs: remove unneeded return value of hugetlb_vmtruncate()
2021-02-24 13:38:35 -08:00
iomap
Merge branch 'iomap-5.12-fixes' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2021-03-18 10:37:30 -07:00
isofs
isofs: handle large user and group ID
2021-02-03 19:05:52 +01:00
jbd2
block: use an on-stack bio in blkdev_issue_flush
2021-01-27 09:51:48 -07:00
jffs2
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
jfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-27 08:07:12 -08:00
kernfs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
lockd
SUNRPC: Make trace_svc_process() display the RPC procedure symbolically
2021-01-25 09:36:23 -05:00
minix
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
nfs
nfs: we don't support removing system.nfs4_acl
2021-03-11 13:17:42 -05:00
nfs_common
NFSv4_2: SSC helper should use its own config.
2021-01-28 10:55:37 -05:00
nfsd
NFSD: fix error handling in NFSv4.0 callbacks
2021-03-11 10:58:49 -05:00
nilfs2
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
nls
…
notify
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
ntfs
ntfs: check for valid standard information attribute
2021-02-24 13:38:26 -08:00
ocfs2
ocfs2: simplify the calculation of variables
2021-02-24 13:38:26 -08:00
omfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
openpromfs
…
orangefs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
overlayfs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
proc
mm: use is_cow_mapping() across tree where proper
2021-03-13 11:27:30 -08:00
pstore
pstore fixes for v5.12-rc2
2021-03-05 17:21:25 -08:00
qnx4
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
qnx6
[PATCH] reduce boilerplate in fsid handling
2020-09-18 16:45:50 -04:00
quota
quota: Fix memory leak when handling corrupted quota file
2021-01-05 14:42:18 +01:00
ramfs
ramfs: support O_TMPFILE
2021-02-24 13:38:26 -08:00
reiserfs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
romfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-10-24 12:26:05 -07:00
squashfs
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
sysfs
sysfs: Support zapping of binary attr mmaps
2021-01-12 14:26:31 +01:00
sysv
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
tracefs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
ubifs
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
udf
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
ufs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
unicode
unicode: Add utf8_casefold_hash
2020-09-10 14:03:31 -07:00
vboxsf
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
verity
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
xfs
xfs: Fix dax inode extent calculation when direct write is performed on an unwritten extent
2021-04-07 14:36:33 -07:00
zonefs
zonefs: fix to update .i_wr_refcnt correctly in zonefs_open_zone()
2021-03-17 08:56:50 +09:00
aio.c
Merge branch 'akpm' (patches from Andrew)
2020-12-15 12:53:37 -08:00
anon_inodes.c
fs: anon_inodes: rephrase to appropriate kernel-doc
2021-01-15 12:17:25 -05:00
attr.c
ima: handle idmapped mounts
2021-01-24 14:27:20 +01:00
bad_inode.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
Merge branch 'parisc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2021-02-21 13:20:41 -08:00
binfmt_elf.c
Merge branch 'parisc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2021-02-21 13:20:41 -08:00
binfmt_em86.c
…
binfmt_flat.c
binfmt_flat: revert "binfmt_flat: don't offset the data start"
2020-08-24 08:49:13 +10:00
binfmt_misc.c
binfmt_misc: fix possible deadlock in bm_register_write
2021-03-13 11:27:30 -08:00
binfmt_script.c
…
block_dev.c
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
buffer.c
fs: buffer: use raw page_memcg() on locked page
2021-02-24 13:38:30 -08:00
char_dev.c
…
compat_binfmt_elf.c
get rid of COMPAT_ELF_EXEC_PAGESIZE
2021-01-06 08:42:51 -05:00
coredump.c
fs/coredump: use kmap_local_page()
2021-02-26 09:41:05 -08:00
d_path.c
fs: fix NULL dereference due to data race in prepend_path()
2020-10-14 14:54:45 -07:00
dax.c
mm: provide a saner PTE walking API for modules
2021-02-09 07:05:44 -05:00
dcache.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
direct-io.c
block-5.12-2021-02-27
2021-02-28 11:23:38 -08:00
drop_caches.c
…
eventfd.c
eventfd: Export eventfd_ctx_do_read()
2020-11-15 09:49:10 -05:00
eventpoll.c
kcmp: Support selection of SYS_kcmp without CHECKPOINT_RESTORE
2021-02-16 09:59:41 +01:00
exec.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
fcntl.c
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
fhandle.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
file_table.c
epoll: take epitem list out of struct file
2020-10-25 20:02:08 -04:00
file.c
fs: provide locked helper variant of close_fd_get_file()
2021-02-01 10:02:42 -07:00
filesystems.c
…
fs_context.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
fs_parser.c
fs_parse: mark fs_param_bad_value() as static
2020-10-13 18:38:27 -07:00
fs_pin.c
…
fs_struct.c
vfs: Use sequence counter with associated spinlock
2020-07-29 16:14:27 +02:00
fs_types.c
…
fs-writeback.c
fs: improve comments for writeback_single_inode()
2021-01-13 17:26:50 +01:00
fsopen.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
init.c
init: handle idmapped mounts
2021-01-24 14:27:19 +01:00
inode.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-27 08:07:12 -08:00
internal.h
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
io_uring.c
io_uring: call req_set_fail_links() on short send[msg]()/recv[msg]() with MSG_WAITALL
2021-03-21 09:41:14 -06:00
io-wq.c
io-wq: ensure task is running before processing task_work
2021-03-21 09:41:14 -06:00
io-wq.h
io_uring: remove structures from include/linux/io_uring.h
2021-03-18 09:44:35 -06:00
ioctl.c
fs: remove ksys_ioctl
2020-07-31 08:16:01 +02:00
Kconfig
s390,alpha: make TMPFS_INODE64 available again
2021-03-08 10:46:30 +01:00
Kconfig.binfmt
Merge branch 'work.elf-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-21 09:29:23 -08:00
kernel_read_file.c
fs/kernel_file_read: Add "offset" arg for partial reads
2020-10-05 13:37:04 +02:00
libfs.c
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
locks.c
Revert "nfsd4: a client's own opens needn't prevent delegations"
2021-03-09 10:37:34 -05:00
Makefile
fs: Remove dcookies support
2021-01-29 10:06:46 +05:30
mbcache.c
…
mount.h
mount: make {lock,unlock}_mount_hash() static
2021-01-24 14:29:34 +01:00
mpage.c
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
namei.c
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
namespace.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-27 08:07:12 -08:00
no-block.c
…
nsfs.c
…
open.c
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
pipe.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
pnode.c
…
pnode.h
mount: fix mounting of detached mounts onto targets that reside on shared mounts
2021-03-08 15:18:43 +01:00
posix_acl.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
proc_namespace.c
fs: introduce MOUNT_ATTR_IDMAP
2021-01-24 14:43:45 +01:00
read_write.c
teach sendfile(2) to handle send-to-pipe directly
2021-01-25 23:29:36 -05:00
readdir.c
fs: remove ksys_getdents64
2020-07-31 08:16:00 +02:00
remap_range.c
ioctl: handle idmapped mounts
2021-01-24 14:27:19 +01:00
select.c
kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()
2021-03-16 22:13:10 +01:00
seq_file.c
fs: fix kernel-doc markups
2021-01-21 14:06:00 -07:00
signalfd.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
splice.c
for-5.12/block-2021-02-17
2021-02-21 11:02:48 -08:00
stack.c
…
stat.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
statfs.c
s390,alpha: switch to 64-bit ino_t
2021-02-13 17:17:53 +01:00
super.c
It has been a relatively quiet cycle in docsland.
2021-02-22 10:57:46 -08:00
sync.c
…
timerfd.c
…
userfaultfd.c
userfaultfd: use secure anon inodes for userfaultfd
2021-01-14 17:40:57 -05:00
utimes.c
utimes: handle idmapped mounts
2021-01-24 14:27:18 +01:00
xattr.c
namei: handle idmapped mounts in may_*() helpers
2021-01-24 14:27:17 +01:00