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authorShmulik Ladkani <shmulik.ladkani@gmail.com>2012-05-03 21:59:59 +0300
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-05-04 11:29:29 +0300
commit21e10ce956a900a08a9df1a780af1246103f0f0f (patch)
tree45647b7cbb3874955c518110870f99ea1216e069
parentd970b4850204553b8cc3bcba6d7219945b15d67c (diff)
mtd-utils: better document --pagesize of mkfs.jffs2
Add a strict explanation '--pagesize' refers to target system's mm page size. Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
-rw-r--r--mkfs.jffs2.13
-rw-r--r--mkfs.jffs2.c4
2 files changed, 5 insertions, 2 deletions
diff --git a/mkfs.jffs2.1 b/mkfs.jffs2.1
index 9b0acc3..47a3ac7 100644
--- a/mkfs.jffs2.1
+++ b/mkfs.jffs2.1
@@ -137,7 +137,8 @@ directory.
.TP
.B -s, --pagesize=SIZE
Use page size SIZE. The default is 4 KiB. This size is the
-maximum size of a data node.
+maximum size of a data node. Set according to target system's memory
+management page size (NOTE: this is NOT related to NAND page size).
.TP
.B -e, --eraseblock=SIZE
Use erase block size SIZE. The default is 64 KiB. If you use a erase
diff --git a/mkfs.jffs2.c b/mkfs.jffs2.c
index ad88ac6..d170a04 100644
--- a/mkfs.jffs2.c
+++ b/mkfs.jffs2.c
@@ -1391,7 +1391,9 @@ static const char helptext[] =
" not specified, the output is padded to the end of\n"
" the final erase block\n"
" -r, -d, --root=DIR Build file system from directory DIR (default: cwd)\n"
-" -s, --pagesize=SIZE Use page size (max data node size) SIZE (default: 4KiB)\n"
+" -s, --pagesize=SIZE Use page size (max data node size) SIZE.\n"
+" Set according to target system's memory management\n"
+" page size (default: 4KiB)\n"
" -e, --eraseblock=SIZE Use erase block size SIZE (default: 64KiB)\n"
" -c, --cleanmarker=SIZE Size of cleanmarker (default 12)\n"
" -m, --compr-mode=MODE Select compression mode (default: priortiry)\n"