git: 15def34bd8c3 - stable/13 - Add GB_NOWITNESS flag
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Date: Mon, 07 Feb 2022 09:50:57 UTC
The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=15def34bd8c3703c13b6fd5eb681c10c7e33b304 commit 15def34bd8c3703c13b6fd5eb681c10c7e33b304 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2022-01-28 04:37:23 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2022-02-07 09:38:50 +0000 Add GB_NOWITNESS flag (cherry picked from commit c02780b78c7f1df3e682e1a88b380820c288ec04) --- sys/kern/vfs_bio.c | 5 ++++- sys/sys/buf.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 4491033d44eb..3798d9137d3b 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -3987,7 +3987,10 @@ loop: * it must be on a queue. */ lockflags = LK_EXCLUSIVE | LK_INTERLOCK | - ((flags & GB_LOCK_NOWAIT) ? LK_NOWAIT : LK_SLEEPFAIL); + ((flags & GB_LOCK_NOWAIT) != 0 ? LK_NOWAIT : LK_SLEEPFAIL); +#ifdef WITNESS + lockflags |= (flags & GB_NOWITNESS) != 0 ? LK_NOWITNESS : 0; +#endif error = BUF_TIMELOCK(bp, lockflags, BO_LOCKPTR(bo), "getblk", slpflag, slptimeo); diff --git a/sys/sys/buf.h b/sys/sys/buf.h index e1b0450e2613..fcc4a4689130 100644 --- a/sys/sys/buf.h +++ b/sys/sys/buf.h @@ -497,6 +497,7 @@ buf_track(struct buf *bp __unused, const char *location __unused) #define GB_CKHASH 0x0020 /* If reading, calc checksum hash */ #define GB_NOSPARSE 0x0040 /* Do not instantiate holes */ #define GB_CVTENXIO 0x0080 /* Convert errors to ENXIO */ +#define GB_NOWITNESS 0x0100 /* Do not record for WITNESS */ #ifdef _KERNEL extern int nbuf; /* The number of buffer headers */