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Al Viro 01a4428ee7 d_path: lift -ENAMETOOLONG handling into callers of prepend_path() 
The only negative value ever returned by prepend_path() is -ENAMETOOLONG
and callers can recognize that situation (overflow) by looking at the
sign of buflen.  Lift that into the callers; we already have the
same logics (buf if buflen is non-negative, ERR_PTR(-ENAMETOOLONG) otherwise)
in several places and that'll become a new primitive several commits down
the road.

Make prepend_path() return 0 instead of -ENAMETOOLONG.  That makes for
saner calling conventions (0/1/2/3/-ENAMETOOLONG is obnoxious) and
callers actually get simpler, especially once the aforementioned
primitive gets added.

In prepend_path() itself we switch prepending the / (in case of
empty path) to use of prepend() - no need to open-code that, compiler
will do the right thing.  It's exactly the same logics as in
__dentry_path().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2021-05-18 20:08:12 -04:00
..
9p
Merge tag '9p-for-5.13-rc1' of git://github.com/martinetd/linux
2021-05-07 11:18:52 -07:00
adfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
affs
Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2021-02-23 13:39:45 -08:00
afs
afs: Fix speculative status fetches
2021-05-01 11:55:36 -07:00
autofs
autofs: should_expire() argument is guaranteed to be positive
2021-03-24 14:14:27 -04:00
befs
fs/befs: Delete obsolete TODO file
2021-03-30 16:54:49 -07:00
bfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
btrfs
btrfs: use memzero_page() instead of open coded kmap pattern
2021-05-05 11:27:27 -07:00
cachefiles
fscache, cachefiles: Add alternate API to use kiocb for read/write to cache
2021-04-23 10:14:32 +01:00
ceph
Merge tag 'ceph-for-5.13-rc1' of git://github.com/ceph/ceph-client
2021-05-06 10:27:02 -07:00
cifs
smb3: if max_channels set to more than one channel request multichannel
2021-05-08 10:51:06 -05:00
coda
coda: fix reference counting in coda_file_mmap error path
2021-04-23 14:42:39 -07:00
configfs
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
cramfs
cramfs: use %pD instead of messing with file_dentry()->d_name
2021-01-05 23:02:47 -05:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2021-04-26 08:51:23 -07:00
debugfs
Merge tag 'sched-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-04-28 13:33:57 -07:00
devpts
…
dlm
fs: dlm: fix missing unlock on error in accept_from_sock()
2021-03-29 13:28:18 -05:00
ecryptfs
Merge tag 'ecryptfs-5.13-rc1-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
2021-05-06 10:06:39 -07:00
efivarfs
efivars: convert to fileattr
2021-04-12 15:04:29 +02:00
efs
…
erofs
erofs: enable big pcluster feature
2021-04-10 03:20:19 +08:00
exfat
exfat: speed up iterate/lookup by fixing start point of traversing cluster chain
2021-04-27 20:45:07 +09:00
exportfs
exportfs: Add a function to return the raw output from fh_to_dentry()
2020-12-09 09:39:38 -05:00
ext2
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-05-02 09:14:01 -07:00
ext4
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-05-02 09:14:01 -07:00
f2fs
Merge tag 'f2fs-for-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
2021-05-04 18:03:38 -07:00
fat
fs: fat: fix spelling typo of values
2021-05-07 00:26:34 -07:00
freevxfs
…
fscache
fscache, cachefiles: Add alternate API to use kiocb for read/write to cache
2021-04-23 10:14:32 +01:00
fuse
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-05-02 09:14:01 -07:00
gfs2
mm: introduce and use mapping_empty()
2021-05-05 11:27:19 -07:00
hfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
hfsplus
hfsplus: convert to fileattr
2021-04-12 15:04:29 +02:00
hostfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-05-02 09:14:01 -07:00
hpfs
hpfs: replace one-element array with flexible-array member
2021-05-06 19:24:13 -07:00
hugetlbfs
mm/hugetlb: remove unused variable pseudo_vma in remove_inode_hugepages()
2021-05-05 11:27:21 -07:00
iomap
iomap: remove unused private field from ioend
2021-05-04 08:54:29 -07:00
isofs
isofs: fix fall-through warnings for Clang
2021-05-06 19:24:13 -07:00
jbd2
ext4: fix debug format string warning
2021-04-09 23:32:16 -04:00
jffs2
Merge tag 'for-linus-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
2021-05-04 18:08:40 -07:00
jfs
jfs: convert to fileattr
2021-04-12 15:04:29 +02:00
kernfs
Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
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
netfs
netfs: Miscellaneous fixes
2021-04-26 23:23:41 +01:00
nfs
Merge tag 'nfs-for-5.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
2021-05-07 11:23:41 -07:00
nfs_common
NFSD: Add an xdr_stream-based encoder for NFSv2/3 ACLs
2021-03-22 10:19:00 -04:00
nfsd
Merge tag 'nfs-for-5.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
2021-05-07 11:23:41 -07:00
nilfs2
Merge branch 'akpm' (patches from Andrew)
2021-05-07 00:34:51 -07:00
nls
…
notify
fanotify_user: use upper_32_bits() to verify mask
2021-03-25 15:33:45 +01:00
ntfs
ntfs: check for valid standard information attribute
2021-02-24 13:38:26 -08:00
ocfs2
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
omfs
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
openpromfs
openpromfs: don't do unlock_new_inode() until the new inode is set up
2021-03-12 22:15:22 -05:00
orangefs
orangefs: leave files in the page cache for a few micro seconds at least
2021-04-29 08:06:05 -04:00
overlayfs
Merge tag 'ovl-update-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2021-04-30 15:17:08 -07:00
proc
proc/sysctl: fix function name error in comments
2021-05-06 19:24:11 -07:00
pstore
Merge tag 'printk-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
2021-04-27 18:09:44 -07:00
qnx4
…
qnx6
…
quota
quota: report warning limits for realtime space quotas
2021-03-18 17:03:54 +01:00
ramfs
ramfs: support O_TMPFILE
2021-02-24 13:38:26 -08:00
reiserfs
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
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
squashfs: fix xattr id and id lookup sanity checks
2021-03-25 09:22:55 -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
tracing: Fix various typos in comments
2021-03-23 14:08:18 -04:00
ubifs
Merge tag 'for-linus-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
2021-05-04 18:08:40 -07:00
udf
useful constants: struct qstr for ".."
2021-04-15 22:36:45 -04:00
ufs
useful constants: struct qstr for ".."
2021-04-15 22:36:45 -04:00
unicode
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
vboxsf
vboxsf: don't allow to change the inode type
2021-03-12 22:15:00 -05:00
verity
fsverity: relax build time dependency on CRYPTO_SHA256
2021-04-22 17:31:32 +10:00
xfs
Merge tag 'iomap-5.13-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2021-05-06 23:54:12 -07:00
zonefs
Merge tag 'fsnotify_for_v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2021-04-29 11:06:13 -07:00
aio.c
Revert "mremap: don't allow MREMAP_DONTUNMAP on special_mappings and aio"
2021-04-30 11:20:39 -07:00
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
coredump: don't bother with do_truncate()
2021-03-08 10:21:11 -05:00
binfmt_elf.c
coredump: don't bother with do_truncate()
2021-03-08 10:21:11 -05:00
binfmt_em86.c
…
binfmt_flat.c
binfmt_flat: allow not offsetting data start
2021-04-19 09:56:37 +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
Merge tag 'block-5.13-2021-05-07' of git://git.kernel.dk/linux-block
2021-05-07 11:35:12 -07:00
buffer.c
Merge branch 'akpm' (patches from Andrew)
2021-05-05 13:50:15 -07:00
char_dev.c
…
compat_binfmt_elf.c
get rid of COMPAT_ELF_EXEC_PAGESIZE
2021-01-06 08:42:51 -05:00
coredump.c
coredump: don't bother with do_truncate()
2021-03-08 10:21:11 -05:00
d_path.c
d_path: lift -ENAMETOOLONG handling into callers of prepend_path()
2021-05-18 20:08:12 -04:00
dax.c
dax: account DAX entries as nrpages
2021-05-05 11:27:19 -07:00
dcache.c
useful constants: struct qstr for ".."
2021-04-15 22:36:45 -04:00
direct-io.c
fs: direct-io: fix missing sdio->boundary
2021-04-09 14:54:23 -07:00
drop_caches.c
…
eventfd.c
eventfd: Export eventfd_ctx_do_read()
2020-11-15 09:49:10 -05:00
eventpoll.c
fs/epoll: restore waking from ep_done_scan()
2021-05-06 19:24:13 -07:00
exec.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
fcntl.c
Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
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
Merge branch 'work.file' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-05-03 11:05:28 -07:00
filesystems.c
…
fs_context.c
…
fs_parser.c
vfs: fs_parser: clean up kernel-doc warnings
2021-04-30 11:20:35 -07:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
fs: improve comments for writeback_single_inode()
2021-01-13 17:26:50 +01:00
fsopen.c
…
init.c
init: handle idmapped mounts
2021-01-24 14:27:19 +01:00
inode.c
mm: remove nrexceptional from inode: remove BUG_ON
2021-05-05 11:27:20 -07:00
internal.h
Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2021-02-23 13:39:45 -08:00
io_uring.c
io_uring: truncate lengths larger than MAX_RW_COUNT on provide buffers
2021-05-05 15:17:35 -06:00
io-wq.c
io-wq: remove unused io_wqe_need_worker() function
2021-04-20 11:24:22 -06:00
io-wq.h
io-wq: eliminate the need for a manager thread
2021-04-11 17:42:00 -06:00
ioctl.c
vfs: add fileattr ops
2021-04-12 15:04:23 +02:00
Kconfig
Merge tag 'nfs-for-5.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
2021-05-07 11:23:41 -07:00
Kconfig.binfmt
binfmt_flat: allow not offsetting data start
2021-04-19 09:56:37 +10:00
kernel_read_file.c
fs/kernel_file_read: Add "offset" arg for partial reads
2020-10-05 13:37:04 +02:00
libfs.c
libfs: fix kernel-doc for mnt_userns
2021-03-23 11:20:25 +01:00
locks.c
Merge tag 'nfsd-5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2021-05-05 13:44:19 -07:00
Makefile
netfs: Provide readahead and readpage netfs helpers
2021-04-23 10:14:32 +01:00
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
Merge tag 'fs.idmapped.helpers.v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2021-04-27 12:49:42 -07:00
namespace.c
fs/namespace: correct/improve kernel-doc notation
2021-03-31 14:22:55 -06:00
no-block.c
…
nsfs.c
…
open.c
Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
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
readdir: make sure to verify directory entry for legacy interfaces too
2021-04-17 11:39:49 -07:00
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
seq_file: Add a seq_bprintf function
2021-04-27 15:50:15 -07:00
signalfd.c
signal: Introduce TRAP_PERF si_code and si_perf to siginfo
2021-04-16 16:32:41 +02:00
splice.c
Merge tag 'for-5.12/block-2021-02-17' of git://git.kernel.dk/linux-block
2021-02-21 11:02:48 -08:00
stack.c
…
stat.c
fs: fix reporting supported extra file attributes for statx()
2021-04-17 23:03:50 -04:00
statfs.c
s390,alpha: switch to 64-bit ino_t
2021-02-13 17:17:53 +01:00
super.c
fs,security: Add sb_delete hook
2021-04-22 12:22:11 -07:00
sync.c
…
timerfd.c
…
userfaultfd.c
userfaultfd: add UFFDIO_CONTINUE ioctl
2021-05-05 11:27:22 -07:00
utimes.c
utimes: handle idmapped mounts
2021-01-24 14:27:18 +01:00
xattr.c
xattr: fix kernel-doc for mnt_userns and vfs xattr helpers
2021-03-23 11:20:26 +01:00