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Date:      Fri, 13 Oct 2023 23:53:46 GMT
From:      Mateusz Guzik <mjg@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject:   git: 6ec7f96c6c63 - stable/13 - vfs cache: mark vfs.cache.param.size as read-only
Message-ID:  <202310132353.39DNrklr031854@gitrepo.freebsd.org>

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The branch stable/13 has been updated by mjg:

URL: https://cgit.FreeBSD.org/src/commit/?id=6ec7f96c6c6364919f72ef3dddc9d6677ca34654

commit 6ec7f96c6c6364919f72ef3dddc9d6677ca34654
Author:     Mateusz Guzik <mjg@FreeBSD.org>
AuthorDate: 2023-09-22 21:32:23 +0000
Commit:     Mateusz Guzik <mjg@FreeBSD.org>
CommitDate: 2023-10-13 23:48:11 +0000

    vfs cache: mark vfs.cache.param.size as read-only
    
    It was not meant to be writable and writes don't work correctly as they
    fail to resize the hash.
    
    (cherry picked from commit 33fdf1afaea931eaa5dd14e6c097d7ffafe2fb1a)
---
 sys/kern/vfs_cache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c
index a98b0e5ce411..671451cadabc 100644
--- a/sys/kern/vfs_cache.c
+++ b/sys/kern/vfs_cache.c
@@ -405,7 +405,7 @@ static SYSCTL_NODE(_vfs_cache, OID_AUTO, param, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
     "Name cache parameters");
 
 static u_int __read_mostly	ncsize; /* the size as computed on creation or resizing */
-SYSCTL_UINT(_vfs_cache_param, OID_AUTO, size, CTLFLAG_RW, &ncsize, 0,
+SYSCTL_UINT(_vfs_cache_param, OID_AUTO, size, CTLFLAG_RD, &ncsize, 0,
     "Total namecache capacity");
 
 u_int ncsizefactor = 2;



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