MARK_BUFFER_DIRTY(9) The Linux VFS MARK_BUFFER_DIRTY(9)NAMEmark_buffer_dirty - mark a buffer_head as needing writeout
SYNOPSIS
void mark_buffer_dirty(struct buffer_head * bh);
ARGUMENTS
bh
the buffer_head to mark dirty
DESCRIPTIONmark_buffer_dirty will set the dirty bit against the buffer, then set
its backing page dirty, then tag the page as dirty in its
address_space´s radix tree and then attach the address_space´s inode to
its superblock´s dirty inode list.
mark_buffer_dirty is atomic. It takes
bh->b_page->mapping->private_lock, mapping->tree_lock and the global
inode_lock.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 MARK_BUFFER_DIRTY(9)