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authorMark Fasheh <mark.fasheh@oracle.com>2007-09-07 14:20:45 -0700
committerMark Fasheh <mark.fasheh@oracle.com>2007-10-12 11:54:35 -0700
commit1d410a6e337a0d2d5543ad1d9bccb670a7a05312 (patch)
tree696f70750482a4a49b61c79e6499659ddb3635b4 /fs/fat
parent65ed39d6ca78f07d2958814e08440e4264b6b488 (diff)
ocfs2: Small refactor of truncate zeroing code
We'll want to reuse most of this when pushing inline data back out to an extent. Keeping this part as a seperate patch helps to keep the upcoming changes for write support uncluttered. The core portion of ocfs2_zero_cluster_pages() responsible for making sure a page is mapped and properly dirtied is abstracted out into it's own function, ocfs2_map_and_dirty_page(). Actual functionality doesn't change, though zeroing becomes optional. We also turn part of ocfs2_free_write_ctxt() into a common function for unlocking and freeing a page array. This operation is very common (and uniform) for Ocfs2 cluster sizes greater than page size, so it makes sense to keep the code in one place. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Reviewed-by: Joel Becker <joel.becker@oracle.com>
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