src/sys/fs/devfs/devfs_vnops.c, branch releng/15.0 FreeBSD source tree devfs readdir: handle short buffer same as UFS 2025-08-01T16:48:53+00:00 Konstantin Belousov kib@FreeBSD.org 2025-08-01T08:22:14+00:00 011efaa5cd246a67bbe6e37364baa18178a9f7bd Return EINVAL if this is the first dirent encountered with the short buffer, or EJUSTRETURN if something was already copied out. This is needed to pass eof check in vop_readdir_post(): we are not at eof but resid was not advanced. Reported and tested by: pho (previous version) Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D51667 
Return EINVAL if this is the first dirent encountered with the short
buffer, or EJUSTRETURN if something was already copied out.

This is needed to pass eof check in vop_readdir_post(): we are not at
eof but resid was not advanced.

Reported and tested by:	pho (previous version)
Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D51667
devfs: Set eofflag in devfs_readdir() 2025-05-29T18:25:56+00:00 Mark Johnston markj@FreeBSD.org 2025-05-29T18:25:56+00:00 198d2ed2d4c6c921928a9175f825d0d8345e5a46 At least vn_dir_next_dirent() checks that eofflag is set appropriately when INVARIANTS is enabled, so the omission here could cause an assertion failure. Reviewed by: kib MFC after: 2 weeks Sponsored by: Klara, Inc. Differential Revision: https://reviews.freebsd.org/D50598 
At least vn_dir_next_dirent() checks that eofflag is set appropriately
when INVARIANTS is enabled, so the omission here could cause an
assertion failure.

Reviewed by:	kib
MFC after:	2 weeks
Sponsored by:	Klara, Inc.
Differential Revision:	https://reviews.freebsd.org/D50598
kern: Make fileops and filterops tables const where possible 2024-11-26T21:04:21+00:00 Mark Johnston markj@FreeBSD.org 2024-11-25T22:39:31+00:00 ef9ffb8594eee294334ced627755bf5b46b48f9f No functional change intended. MFC after: 1 week 
No functional change intended.

MFC after:	1 week
devfs_allocv(): style 2024-05-12T01:13:00+00:00 Konstantin Belousov kib@FreeBSD.org 2024-05-07T12:33:01+00:00 6d79564fe341c8dbf09405cae1a0a76460aaf8aa Sponsored by: The FreeBSD Foundation MFC after: 1 week 
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
cdevpriv(9): add iterator 2024-03-23T06:59:00+00:00 Konstantin Belousov kib@FreeBSD.org 2024-03-22T02:58:00+00:00 d3efbe0132b24e8660df836905cda7662f85a154 Reviewed by: christos Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D44469 
Reviewed by:	christos
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D44469
kcmp(2): implement for devfs files 2024-01-24T05:11:26+00:00 Konstantin Belousov kib@FreeBSD.org 2024-01-19T21:36:50+00:00 5c41d888de1aba0e82531fb6df4cc3b6989d37bd Compare not vnodes, which are different between mount points, but actual cdev referenced by the devfs node. Reviewed by: brooks, markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D43518 
Compare not vnodes, which are different between mount points, but
actual cdev referenced by the devfs node.

Reviewed by:	brooks, markj
Sponsored by:   The FreeBSD Foundation
MFC after:      1 week
Differential revision:  https://reviews.freebsd.org/D43518
sys: Remove ancient SCCS tags. 2023-11-27T05:23:30+00:00 Warner Losh imp@FreeBSD.org 2023-11-23T17:21:37+00:00 29363fb446372cb3f10bc98664e9767c53fbb457 Remove ancient SCCS tags from the tree, automated scripting, with two minor fixup to keep things compiling. All the common forms in the tree were removed with a perl script. Sponsored by: Netflix 
Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by:		Netflix
devfs: add integrity asserts for cdevp_list 2023-09-21T16:51:12+00:00 Jason A. Harmening jah@FreeBSD.org 2023-09-19T13:44:34+00:00 67864268da53b792836f13be10299de8cd62997e It's possible for misuse of cdev KPIs or for bugs in devfs itself to result in e.g. a cdev object's container being freed while still on the global list used to populate each devfs mount; see PR 273418 for a recent example. Since a node may be marked inactive well before it is reaped from the list, add a new flag solely to track list membership, and employ it in some basic list integrity assertions to catch bad actors. Discussed with: kib, mjg MFC after: 1 week 
It's possible for misuse of cdev KPIs or for bugs in devfs itself to
result in e.g. a cdev object's container being freed while still on the
global list used to populate each devfs mount; see PR 273418 for a
recent example.

Since a node may be marked inactive well before it is reaped from the
list, add a new flag solely to track list membership, and employ it in
some basic list integrity assertions to catch bad actors.

Discussed with:	kib, mjg
MFC after:	1 week
sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16T17:54:11+00:00 Warner Losh imp@FreeBSD.org 2023-08-16T17:54:11+00:00 95ee2897e98f5d444f26ed2334cc7c439f9c16c6 Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/ 
Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/
spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD 2023-05-12T16:44:03+00:00 Warner Losh imp@FreeBSD.org 2023-05-10T15:40:58+00:00 4d846d260e2b9a3d4d0a701462568268cbfe7a5b The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix 
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with:		pfg
MFC After:		3 days
Sponsored by:		Netflix