fix: keep packing the queue head when the job table is full - #461

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isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock
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fix: keep packing the queue head when the job table is full#461
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock

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@official-burakofficial-burak commented Aug 30, 2026

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Summary

Hardlinks in later subdirs can fill the async pack job table while the queue head is still pending. PROCESS then skipped the head because JOBS was already at the limit, so nothing was piped, JOBS never dropped, and the pack never ended.

create({ file }) hit the same stall: the promise never settled, the event loop drained, and Node exited 0 with a truncated archive.

Always run PROCESSJOB on the head even when the read-ahead table is full. Later jobs stay gated by jobs.

Fixes#460

Test plan

Hardlinks in later subdirs can fill the read-ahead table while the
head is still pending. PROCESS then skipped the head, so nothing was
piped, JOBS never dropped, and async pack/create hung until the
event loop drained (exit 0 with a truncated archive).
Fixesisaacs#460
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Async Pack still deadlocks on hardlinked files in v7.5.22 (#458 not fixed); create({file}) turns it into a silent exit-0 no-op

1 participant

@official-burak
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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fix: keep packing the queue head when the job table is full - #461

Open
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock
Open

fix: keep packing the queue head when the job table is full#461
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock

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@official-burak

@official-burakofficial-burak commented Aug 30, 2026

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Summary

Hardlinks in later subdirs can fill the async pack job table while the queue head is still pending. PROCESS then skipped the head because JOBS was already at the limit, so nothing was piped, JOBS never dropped, and the pack never ended.

create({ file }) hit the same stall: the promise never settled, the event loop drained, and Node exited 0 with a truncated archive.

Always run PROCESSJOB on the head even when the read-ahead table is full. Later jobs stay gated by jobs.

Fixes#460

Test plan

Hardlinks in later subdirs can fill the read-ahead table while the
head is still pending. PROCESS then skipped the head, so nothing was
piped, JOBS never dropped, and async pack/create hung until the
event loop drained (exit 0 with a truncated archive).
Fixesisaacs#460
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Async Pack still deadlocks on hardlinked files in v7.5.22 (#458 not fixed); create({file}) turns it into a silent exit-0 no-op

1 participant

@official-burak
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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fix: keep packing the queue head when the job table is full - #461

Open
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock
Open

fix: keep packing the queue head when the job table is full#461
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock

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@official-burak

@official-burakofficial-burak commented Aug 30, 2026

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Summary

Hardlinks in later subdirs can fill the async pack job table while the queue head is still pending. PROCESS then skipped the head because JOBS was already at the limit, so nothing was piped, JOBS never dropped, and the pack never ended.

create({ file }) hit the same stall: the promise never settled, the event loop drained, and Node exited 0 with a truncated archive.

Always run PROCESSJOB on the head even when the read-ahead table is full. Later jobs stay gated by jobs.

Fixes#460

Test plan

Hardlinks in later subdirs can fill the read-ahead table while the
head is still pending. PROCESS then skipped the head, so nothing was
piped, JOBS never dropped, and async pack/create hung until the
event loop drained (exit 0 with a truncated archive).
Fixesisaacs#460
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Async Pack still deadlocks on hardlinked files in v7.5.22 (#458 not fixed); create({file}) turns it into a silent exit-0 no-op

1 participant

@official-burak
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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fix: keep packing the queue head when the job table is full - #461

Open
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock
Open

fix: keep packing the queue head when the job table is full#461
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock

Conversation

@official-burak

@official-burakofficial-burak commented Aug 30, 2026

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Summary

Hardlinks in later subdirs can fill the async pack job table while the queue head is still pending. PROCESS then skipped the head because JOBS was already at the limit, so nothing was piped, JOBS never dropped, and the pack never ended.

create({ file }) hit the same stall: the promise never settled, the event loop drained, and Node exited 0 with a truncated archive.

Always run PROCESSJOB on the head even when the read-ahead table is full. Later jobs stay gated by jobs.

Fixes#460

Test plan

Hardlinks in later subdirs can fill the read-ahead table while the
head is still pending. PROCESS then skipped the head, so nothing was
piped, JOBS never dropped, and async pack/create hung until the
event loop drained (exit 0 with a truncated archive).
Fixesisaacs#460
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Successfully merging this pull request may close these issues.

Async Pack still deadlocks on hardlinked files in v7.5.22 (#458 not fixed); create({file}) turns it into a silent exit-0 no-op

1 participant

@official-burak
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
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fix: keep packing the queue head when the job table is full - #461

Open
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock
Open

fix: keep packing the queue head when the job table is full#461
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock

Conversation

@official-burak

@official-burakofficial-burak commented Aug 30, 2026

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Summary

Hardlinks in later subdirs can fill the async pack job table while the queue head is still pending. PROCESS then skipped the head because JOBS was already at the limit, so nothing was piped, JOBS never dropped, and the pack never ended.

create({ file }) hit the same stall: the promise never settled, the event loop drained, and Node exited 0 with a truncated archive.

Always run PROCESSJOB on the head even when the read-ahead table is full. Later jobs stay gated by jobs.

Fixes#460

Test plan

Hardlinks in later subdirs can fill the read-ahead table while the
head is still pending. PROCESS then skipped the head, so nothing was
piped, JOBS never dropped, and async pack/create hung until the
event loop drained (exit 0 with a truncated archive).
Fixesisaacs#460
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Successfully merging this pull request may close these issues.

Async Pack still deadlocks on hardlinked files in v7.5.22 (#458 not fixed); create({file}) turns it into a silent exit-0 no-op

1 participant

@official-burak
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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fix: keep packing the queue head when the job table is full - #461

Open
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock
Open

fix: keep packing the queue head when the job table is full#461
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock

Conversation

@official-burak

@official-burakofficial-burak commented Aug 30, 2026

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Summary

Hardlinks in later subdirs can fill the async pack job table while the queue head is still pending. PROCESS then skipped the head because JOBS was already at the limit, so nothing was piped, JOBS never dropped, and the pack never ended.

create({ file }) hit the same stall: the promise never settled, the event loop drained, and Node exited 0 with a truncated archive.

Always run PROCESSJOB on the head even when the read-ahead table is full. Later jobs stay gated by jobs.

Fixes#460

Test plan

Hardlinks in later subdirs can fill the read-ahead table while the
head is still pending. PROCESS then skipped the head, so nothing was
piped, JOBS never dropped, and async pack/create hung until the
event loop drained (exit 0 with a truncated archive).
Fixesisaacs#460
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Successfully merging this pull request may close these issues.

Async Pack still deadlocks on hardlinked files in v7.5.22 (#458 not fixed); create({file}) turns it into a silent exit-0 no-op

1 participant

@official-burak
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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fix: keep packing the queue head when the job table is full - #461

Open
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock
Open

fix: keep packing the queue head when the job table is full#461
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock

Conversation

@official-burak

@official-burakofficial-burak commented Aug 30, 2026

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Summary

Hardlinks in later subdirs can fill the async pack job table while the queue head is still pending. PROCESS then skipped the head because JOBS was already at the limit, so nothing was piped, JOBS never dropped, and the pack never ended.

create({ file }) hit the same stall: the promise never settled, the event loop drained, and Node exited 0 with a truncated archive.

Always run PROCESSJOB on the head even when the read-ahead table is full. Later jobs stay gated by jobs.

Fixes#460

Test plan

Hardlinks in later subdirs can fill the read-ahead table while the
head is still pending. PROCESS then skipped the head, so nothing was
piped, JOBS never dropped, and async pack/create hung until the
event loop drained (exit 0 with a truncated archive).
Fixesisaacs#460
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Successfully merging this pull request may close these issues.

Async Pack still deadlocks on hardlinked files in v7.5.22 (#458 not fixed); create({file}) turns it into a silent exit-0 no-op

1 participant

@official-burak
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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fix: keep packing the queue head when the job table is full - #461

Open
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock
Open

fix: keep packing the queue head when the job table is full#461
official-burak wants to merge 1 commit into
isaacs:mainfrom
official-burak:fix/pack-hardlink-job-deadlock

Conversation

@official-burak

@official-burakofficial-burak commented Aug 30, 2026

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Summary

Hardlinks in later subdirs can fill the async pack job table while the queue head is still pending. PROCESS then skipped the head because JOBS was already at the limit, so nothing was piped, JOBS never dropped, and the pack never ended.

create({ file }) hit the same stall: the promise never settled, the event loop drained, and Node exited 0 with a truncated archive.

Always run PROCESSJOB on the head even when the read-ahead table is full. Later jobs stay gated by jobs.

Fixes#460

Test plan

Hardlinks in later subdirs can fill the read-ahead table while the
head is still pending. PROCESS then skipped the head, so nothing was
piped, JOBS never dropped, and async pack/create hung until the
event loop drained (exit 0 with a truncated archive).
Fixesisaacs#460
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Successfully merging this pull request may close these issues.

Async Pack still deadlocks on hardlinked files in v7.5.22 (#458 not fixed); create({file}) turns it into a silent exit-0 no-op

1 participant

@official-burak