`numdirtybuffers' was not maintained properly. This caused excessive
flushing of buffers in an attempt to reduce numdirtybuffers, and perhaps other problems.
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parent
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=30204
@ -53,8 +53,10 @@
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*/
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void mark_buffer_dirty(struct buf *bh)
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{
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numdirtybuffers++;
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bh->b_flags |= B_DELWRI;
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if (!(bh->b_flags & B_DELWRI)) {
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numdirtybuffers++;
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bh->b_flags |= B_DELWRI;
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}
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bh->b_flags &= ~(B_READ | B_ERROR);
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}
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@ -53,8 +53,10 @@
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*/
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void mark_buffer_dirty(struct buf *bh)
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{
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numdirtybuffers++;
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bh->b_flags |= B_DELWRI;
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if (!(bh->b_flags & B_DELWRI)) {
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numdirtybuffers++;
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bh->b_flags |= B_DELWRI;
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}
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bh->b_flags &= ~(B_READ | B_ERROR);
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}
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