ChangeLog, chattr.1.in, chattr.c:
chattr.c (decode_arg, get_flag): Use a table-driven method for
decoding the ext2 file flags character options. Add support for the
journaled data flag.
chattr.1.in: Document the -j/+j/=j flag.
diff --git a/misc/chattr.1.in b/misc/chattr.1.in
index 149e6ec..1cab618 100644
--- a/misc/chattr.1.in
+++ b/misc/chattr.1.in
@@ -25,9 +25,9 @@
existing attributes of the files; `-' causes them to be removed; and
`=' causes them to be the only attributes that the files have.
.PP
-The letters `ASacdisu' select the new attributes for the files:
+The letters `ASacdijsu' select the new attributes for the files:
don't update atime (A), synchronous updates (S), append only (a),
-compressed (c), immutable (i), no dump (d),
+compressed (c), no dump (d), immutable (i), data journalling (j),
secure deletion (s), and undeletable (u).
.SH OPTIONS
.TP
@@ -61,6 +61,12 @@
renamed, no link can be created to this file and no data can be written
to the file. Only the superuser can set or clear this attribute.
.PP
+A file with the `j' attribute has all of its data written to the ext3
+journal before being written to the file itself, if the filesystem is
+mounted with the "data=ordered" or "data=writeback" options. When the
+filesystem is mounted with the "data=journalled" option all file data
+is already journalled and this attribute has no effect.
+.PP
When a file with the `s' attribute set is deleted, its blocks are zeroed and
written back to the disk.
.PP
@@ -76,9 +82,10 @@
was written by Remy Card <Remy.Card@linux.org>.
.SH BUGS AND LIMITATIONS
As of Linux 2.2, the `c', 's', and `u' attribute are not honored
-by the kernel code.
+by the kernel filesystem code. These attributes will be implemented
+in a future ext2 fs version.
.PP
-These attributes will be implemented in a future ext2 fs version.
+The `j' option is only useful if the filesystem is mounted as ext3.
.SH AVAILABILITY
.B chattr
is part of the e2fsprogs package and is available for anonymous