On Mon, Oct 27, 2014 at 06:51:43PM +0000, Daniel Thompson wrote: > Since commit cd678fce4280 ("switch logger to ->write_iter()"), any > attempt to write to the log results in the log data being written over > its own metadata, thus rendering the log unreadable. > > The problem was first detected when I ran an Android userspace on the > v3.18-rc1 kernel. However the issue can also be observed with a > non-Android userspace by using echo/cat to write to/from /dev/log_main . > > This patch resolves the problem by using a temporary to track the status > of not-yet-committed writes to the log buffer. > > Signed-off-by: Daniel Thompson <daniel.thomp...@linaro.org> > Cc: Al Viro <v...@zeniv.linux.org.uk>
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