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vfs cache: mark vfs.cache.param.size as read-only

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It was not meant to be writable and writes don't work correctly as they
fail to resize the hash.

(cherry picked from commit 33fdf1afae)
This commit is contained in:
Mateusz Guzik 2023-09-22 21:32:23 +00:00
parent fc424de7e1
commit 3f4e6aa2ae
1 changed files with 1 additions and 1 deletions
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2
sys/kern/vfs_cache.c
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@ -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;