Explain which valid block sizes mke2fs supports in more detail. Signed-off-by: Jan Kara <jack@xxxxxxx> --- misc/mke2fs.8.in | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/misc/mke2fs.8.in b/misc/mke2fs.8.in index e6bfc6d6fd2d..0814d216f3a4 100644 --- a/misc/mke2fs.8.in +++ b/misc/mke2fs.8.in @@ -207,10 +207,11 @@ manual page for more details. .SH OPTIONS .TP .BI \-b " block-size" -Specify the size of blocks in bytes. Valid block-size values are 1024, -2048 and 4096 bytes per block. If omitted, -block-size is heuristically determined by the filesystem size and -the expected usage of the filesystem (see the +Specify the size of blocks in bytes. Valid block-size values are powers of two +from 1024 up to 65536 (however note that the kernel is able to mount only +filesystems with block-size smaller or equal to the system page size - 4k on +x86 systems). If omitted, block-size is heuristically determined by the +filesystem size and the expected usage of the filesystem (see the .B \-T option). If .I block-size -- 2.16.4
