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Date: Mon, 26 Oct 2020 20:21:18 -0300
From: √Črico Rolim <>
Subject: Re: [PATCH v3] posix_fallocate.3: add EOPNOTSUPP error code.

As can be seen in

musl libc returns the syscall's errors directly, which means it doesn't
perform the same emulation as glibc, and can return EOPNOTSUPP to an
application, which isnt't listed in ERRORS.

Made a small correction to the formatting for fd.

 man3/posix_fallocate.3 | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/man3/posix_fallocate.3 b/man3/posix_fallocate.3
index 3152dd54f..8ea37261a 100644
--- a/man3/posix_fallocate.3
+++ b/man3/posix_fallocate.3
@@ -98,6 +98,13 @@ There is not enough space left on the device
containing the file
 referred to by
 .IR fd .
+The filesystem containing the file referred to by
+.I fd
+does not support this operation.
+This error code can be returned by libc's that don't perform the
+emulation shown in NOTES, such as musl libc.
 .I fd
 refers to a pipe.

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