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.TH "MARK_BUFFER_DIRTY" "" "06 October 2005" "" ""

.SH NAME
mark_buffer_dirty \- mark a buffer_head as needing writeout
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
void mark_buffer_dirty  (struct buffer_head * \fIbh\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIbh\fB\fR
-- undescribed --
.SH "DESCRIPTION"
.PP
.PP
\fBmark_buffer_dirty\fR will set the dirty bit against the buffer,
then set its backing page dirty, then attach the page to its
address_space's dirty_pages list and then attach the address_space's
inode to its superblock's dirty inode list.
.PP
\fBmark_buffer_dirty\fR is atomic.  It takes bh->b_page->mapping->private_lock,
mapping->page_lock and the global inode_lock.