git: 0111b0f6ac8a - stable/15 - vfs_syscalls.c::flags_to_right(): O_DSYNC should be allowed for CAP_FSYNC

The branch stable/15 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=0111b0f6ac8ab4c1b637e9d14f49ac6ab111d523

commit 0111b0f6ac8ab4c1b637e9d14f49ac6ab111d523
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2025-10-24 09:42:35 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2025-10-31 14:41:03 +0000

    vfs_syscalls.c::flags_to_right(): O_DSYNC should be allowed for CAP_FSYNC
    
    (cherry picked from commit 5e85f383da6661bf29ca6054a330406889d8ac60)
---
 share/man/man4/rights.4 | 3 ++-
 sys/kern/vfs_syscalls.c | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/share/man/man4/rights.4 b/share/man/man4/rights.4
index 8f5f6ad9c2d2..0223ba0b6b88 100644
--- a/share/man/man4/rights.4
+++ b/share/man/man4/rights.4
@@ -281,7 +281,8 @@ Permit
 and
 .Xr openat 2
 with
-.Dv O_FSYNC
+.Dv O_DSYNC ,
+.Dv O_FSYNC ,
 or
 .Dv O_SYNC
 flag.
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index bf3ed9d515dc..07c28a2b462a 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -1119,7 +1119,7 @@ flags_to_rights(int flags, cap_rights_t *rightsp)
 	if (flags & O_TRUNC)
 		cap_rights_set_one(rightsp, CAP_FTRUNCATE);
 
-	if (flags & (O_SYNC | O_FSYNC))
+	if (flags & (O_SYNC | O_FSYNC | O_DSYNC))
 		cap_rights_set_one(rightsp, CAP_FSYNC);
 
 	if (flags & (O_EXLOCK | O_SHLOCK))