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<p>Hi all,</p>
<h3 style="box-sizing: border-box; margin-bottom: 16px; margin-top:
0px !important; font-size: 1.25em; font-weight: 600; line-height:
1.25; color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">Description:</h3>
<p style="box-sizing: border-box; margin-bottom: 16px; margin-top:
0px; color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-size: 14px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: 400; letter-spacing:
normal; orphans: 2; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: 2;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">fs_fill fails on Btrfs
when /dev/loop/<span> </span><em style="box-sizing: border-box;"><strong
style="box-sizing: border-box; font-weight: 600;">size = 512M</strong></em>.<br
style="box-sizing: border-box;">
I tested other size, 256M 1G, all passed.</p>
<h3 style="box-sizing: border-box; margin-bottom: 16px; margin-top:
24px; font-size: 1.25em; font-weight: 600; line-height: 1.25;
color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">Kernel:</h3>
<p style="box-sizing: border-box; margin-bottom: 16px; margin-top:
0px; color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-size: 14px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: 400; letter-spacing:
normal; orphans: 2; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: 2;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">v5.2-rc1, qemux86-64</p>
<pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 11.9px; margin-bottom: 16px; margin-top: 0px; overflow-wrap: normal; background-color: rgb(246, 248, 250); border-radius: 3px; line-height: 1.45; overflow: auto; padding: 16px; color: rgb(36, 41, 46); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"><code style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 11.9px; background: transparent; border-radius: 3px; margin: 0px; padding: 0px; border: 0px; white-space: pre; word-break: normal; display: inline; line-height: inherit; overflow: visible; overflow-wrap: normal;"># make -j40 ARCH=x86_64 CROSS_COMPILE=x86-64-gcc
use qemu to bootup kernel
</code></pre>
<h3 style="box-sizing: border-box; margin-bottom: 16px; margin-top:
24px; font-size: 1.25em; font-weight: 600; line-height: 1.25;
color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">LTP:</h3>
<p style="box-sizing: border-box; margin-bottom: 16px; margin-top:
0px; color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-size: 14px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: 400; letter-spacing:
normal; orphans: 2; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: 2;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">master branch: date
20190625</p>
<h3 style="box-sizing: border-box; margin-bottom: 16px; margin-top:
24px; font-size: 1.25em; font-weight: 600; line-height: 1.25;
color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">Reproduce:</h3>
<pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 11.9px; margin-bottom: 16px; margin-top: 0px; overflow-wrap: normal; background-color: rgb(246, 248, 250); border-radius: 3px; line-height: 1.45; overflow: auto; padding: 16px; color: rgb(36, 41, 46); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"><code style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 11.9px; background: transparent; border-radius: 3px; margin: 0px; padding: 0px; border: 0px; white-space: pre; word-break: normal; display: inline; line-height: inherit; overflow: visible; overflow-wrap: normal;">build ltp source and cp ltp all outputs to qemu
# vi runltp
in function: create_block()
dd if=/dev/zero of=${TMP}/test.img bs=1024 count=262144
--->
dd if=/dev/zero of=${TMP}/test.img bs=1024 count=524288
# runltp -f fs -s fs_fill
</code></pre>
<h3 style="box-sizing: border-box; margin-bottom: 16px; margin-top:
24px; font-size: 1.25em; font-weight: 600; line-height: 1.25;
color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">Issue:</h3>
<p style="box-sizing: border-box; margin-bottom: 16px; margin-top:
0px; color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-size: 14px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: 400; letter-spacing:
normal; orphans: 2; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: 2;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">The issue maybe not
reproduced everytime but four fifths chance.</p>
<pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 11.9px; margin-bottom: 16px; margin-top: 0px; overflow-wrap: normal; background-color: rgb(246, 248, 250); border-radius: 3px; line-height: 1.45; overflow: auto; padding: 16px; color: rgb(36, 41, 46); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"><code style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 11.9px; background: transparent; border-radius: 3px; margin: 0px; padding: 0px; border: 0px; white-space: pre; word-break: normal; display: inline; line-height: inherit; overflow: visible; overflow-wrap: normal;">safe_macros.c:358: BROK: fs_fill.c:67: unlink(mntpoint/thread9/file0) failed: ENOSPC
safe_macros.c:358: BROK: fs_fill.c:67: unlink(mntpoint/thread4/file0) failed: ENOSPC
[ 154.762502] BTRFS warning (device loop0): could not allocate space for a delete; will truncate on mount
[ 155.691577] BTRFS warning (device loop0): could not allocate space for a delete; will truncate on mount
[ 156.017697] BTRFS warning (device loop0): could not allocate space for a delete; will truncate on mount
</code></pre>
<h3 style="box-sizing: border-box; margin-bottom: 16px; margin-top:
24px; font-size: 1.25em; font-weight: 600; line-height: 1.25;
color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">Analysis:</h3>
<p style="box-sizing: border-box; margin-bottom: 16px; margin-top:
0px; color: rgb(36, 41, 46); font-family: -apple-system,
BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
sans-serif, "Apple Color Emoji", "Segoe UI
Emoji", "Segoe UI Symbol"; font-size: 14px;
font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: 400; letter-spacing:
normal; orphans: 2; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: 2;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); text-decoration-style:
initial; text-decoration-color: initial;">One new kernel commit
contained in v5.2-rc1 introduces the issue.</p>
<pre style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 11.9px; margin-bottom: 0px !important; margin-top: 0px; overflow-wrap: normal; background-color: rgb(246, 248, 250); border-radius: 3px; line-height: 1.45; overflow: auto; padding: 16px; color: rgb(36, 41, 46); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"><code style="box-sizing: border-box; font-size: 11.9px; background: transparent none repeat scroll 0% 0%; border-radius: 3px; margin: 0px; padding: 0px; border: 0px none; white-space: pre; word-break: normal; display: inline; line-height: inherit; overflow: visible; overflow-wrap: normal; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace;">commit c8eaeac7b734347c3afba7008b7af62f37b9c140
Author: Josef Bacik <a class="moz-txt-link-rfc2396E" href="mailto:josef@toxicpanda.com"><josef@toxicpanda.com></a>
Date: Wed Apr 10 15:56:10 2019 -0400
btrfs: reserve delalloc metadata differently
...</code></pre>
<p><br>
</p>
<p>Anyone's reply will be appreciated.<span style="color: rgb(51,
51, 51); font-family: arial; font-size: 13px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps:
normal; font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
255); text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;"></span></p>
<p>--Hongzhi<br>
</p>
<code style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 11.9px; background: transparent; border-radius: 3px; margin: 0px; padding: 0px; border: 0px; white-space: pre; word-break: normal; display: inline; line-height: inherit; overflow: visible; overflow-wrap: normal;"></code>
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