[PATCH] reiserfsprogs: update the min block size description

[Wang Sheng-Hui <shhuiw@gmail.com>]

Current minimal block size is 4096, not 512.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
---
 mkreiserfs/mkreiserfs.8.in  | 2 +-
 mkreiserfs/mkreiserfs.c     | 2 +-
 reiserfscore/node_formats.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/mkreiserfs/mkreiserfs.8.in b/mkreiserfs/mkreiserfs.8.in
index 850854f..90036b9 100644
--- a/mkreiserfs/mkreiserfs.8.in
+++ b/mkreiserfs/mkreiserfs.8.in
@@ -33,7 +33,7 @@ automatically set it.
 .TP
 \fB-b\fR | \fB--block-size \fIN\fR
 \fIN\fR is block size in bytes. It may only be set to a power of 2 within the
-512-8192 interval.
+4096-8192 interval.
 .TP
 \fB-h\fR | \fB--hash \fIHASH\fR
 \fIHASH\fR specifies which hash function will sort the names in the directories.
diff --git a/mkreiserfs/mkreiserfs.c b/mkreiserfs/mkreiserfs.c
index 6739850..d16d99e 100644
--- a/mkreiserfs/mkreiserfs.c
+++ b/mkreiserfs/mkreiserfs.c
@@ -460,7 +460,7 @@ static void set_block_size(char *str, int *b_size)

        if (!is_blocksize_correct(*b_size))
                reiserfs_exit(1, "%s: wrong blocksize %s specified, "
-                             "only power of 2 from 512-8192 interval "
+                             "only power of 2 from 4096-8192 interval "
                              "are supported", program_name, str);
 }

diff --git a/reiserfscore/node_formats.c b/reiserfscore/node_formats.c
index fccb8ea..6b8c440 100644
--- a/reiserfscore/node_formats.c
+++ b/reiserfscore/node_formats.c
@@ -1266,5 +1266,5 @@ void mark_objectid_used(reiserfs_filsys_t fs, __u32 objectid)
 int is_blocksize_correct(unsigned int blocksize)
 {
        return ((((blocksize & -blocksize) == blocksize)
-                && (blocksize >= 512) && (blocksize <= 8192)));
+                && (blocksize >= 4096) && (blocksize <= 8192)));
 }
-- 
1.8.3.2