Use atomic operations on runningbufspace.
PR: kern/84318 Submitted by: ade MFC after: 3 days
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4f12e0acb0
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=148875
@ -65,6 +65,8 @@ __FBSDID("$FreeBSD$");
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#include <sys/conf.h>
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#include <sys/sf_buf.h>
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#include <machine/atomic.h>
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#include <vm/vm.h>
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#include <vm/vm_object.h>
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#include <vm/vm_page.h>
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@ -546,7 +548,7 @@ vnode_pager_input_smlfs(object, m)
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bp->b_bcount = bsize;
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bp->b_bufsize = bsize;
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bp->b_runningbufspace = bp->b_bufsize;
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runningbufspace += bp->b_runningbufspace;
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atomic_add_int(&runningbufspace, bp->b_runningbufspace);
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/* do the input */
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bp->b_iooffset = dbtob(bp->b_blkno);
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@ -898,7 +900,7 @@ vnode_pager_generic_getpages(vp, m, bytecount, reqpage)
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bp->b_bcount = size;
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bp->b_bufsize = size;
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bp->b_runningbufspace = bp->b_bufsize;
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runningbufspace += bp->b_runningbufspace;
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atomic_add_int(&runningbufspace, bp->b_runningbufspace);
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cnt.v_vnodein++;
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cnt.v_vnodepgsin += count;
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