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posix_fallocate.2: add an EINVAL errno case

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As of r325320 posix_fallocate returns EINVAL on ZFS to indicate that
the underlying filesystem does not support this operation, per
POSIX.1-2008. Document this case in the man page.

MFC after:	20 days
MFC with:	r325320
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Ed Maste 2017-11-05 03:02:19 +00:00
parent 809cd50ff5
commit 8ca8d252bb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=325422
1 changed files with 4 additions and 3 deletions
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7
lib/libc/sys/posix_fallocate.2
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@ -28,7 +28,7 @@
.\" @(#)open.2 8.2 (Berkeley) 11/16/93
.\" $FreeBSD$
.\"
.Dd October 12, 2017
.Dd November 4, 2017
.Dt POSIX_FALLOCATE 2
.Os
.Sh NAME
@ -106,9 +106,10 @@ A signal was caught during execution.
.It Bq Er EINVAL
The
.Fa len
argument was less than or equal to zero or the
argument was less than or equal to zero, the
.Fa offset
argument was less than zero.
argument was less than zero,
or the operation is not supported by the file system.
.It Bq Er EIO
An I/O error occurred while reading from or writing to a file system.
.It Bq Er ENODEV