Update file_append documentation

Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/HOWTO b/HOWTO
index 7e77c40372066a56a0f6ab9533b197ca4b630a50..47eff96a9158989f0b178ae168ec25faf7fd2f98 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -438,7 +438,8 @@ filesize=int        Individual file sizes. May be a range, in which case fio
 file_append=bool       Perform IO after the end of the file. Normally fio will
                operate within the size of a file. If this option is set, then
                fio will append to the file instead. This has identical
 file_append=bool       Perform IO after the end of the file. Normally fio will
                operate within the size of a file. If this option is set, then
                fio will append to the file instead. This has identical

-               behavior to setting offset to the size of a file.
+               behavior to setting offset to the size of a file. This option
+               is ignored on non-regular files.

 
 fill_device=bool
 fill_fs=bool   Sets size to something really large and waits for ENOSPC (no
 
 fill_device=bool
 fill_fs=bool   Sets size to something really large and waits for ENOSPC (no

diff --git a/fio.1 b/fio.1
index fee5427dbcf32000dcda8ba167f9ed48fd1153b7..91f96e028e553a67753ec8aa9672bbd8a066b53e 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -390,7 +390,7 @@ same size.
 Perform IO after the end of the file. Normally fio will operate within the
 size of a file. If this option is set, then fio will append to the file
 instead. This has identical behavior to setting \fRoffset\fP to the size
 Perform IO after the end of the file. Normally fio will operate within the
 size of a file. If this option is set, then fio will append to the file
 instead. This has identical behavior to setting \fRoffset\fP to the size

-of a file.
+of a file. This option is ignored on non-regular files.

 .TP
 .BI blocksize \fR=\fPint[,int] "\fR,\fB bs" \fR=\fPint[,int]
 Block size for I/O units.  Default: 4k.  Values for reads, writes, and trims
 .TP
 .BI blocksize \fR=\fPint[,int] "\fR,\fB bs" \fR=\fPint[,int]
 Block size for I/O units.  Default: 4k.  Values for reads, writes, and trims