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authorAl Viro <viro@zeniv.linux.org.uk>2014-11-19 13:02:53 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2014-11-19 13:02:53 -0500
commit8ce74dd6057832618957fc2cbd38fa959c3a0a6c (patch)
treeaf3bede951087ebc58988ad073182a85bf899e27 /ipc
parent78d28e651f97866d608d9b41f8ad291e65d47dd5 (diff)
parent9761536e1d9e9e1f325fb04d4ad46b15a39eb94a (diff)
downloadlinux-8ce74dd6057832618957fc2cbd38fa959c3a0a6c.tar.gz
Merge tag 'trace-seq-file-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into for-next
Pull the beginning of seq_file cleanup from Steven: "I'm looking to clean up the seq_file code and to eventually merge the trace_seq code with seq_file as well, since they basically do the same thing. Part of this process is to remove the return code of seq_printf() and friends as they are rather inconsistent. It is better to use the new function seq_has_overflowed() if you want to stop processing when the buffer is full. Note, if the buffer is full, the seq_file code will throw away the contents, allocate a bigger buffer, and then call your code again to fill in the data. The only thing that breaking out of the function early does is to save a little time which is probably never noticed. I started with patches from Joe Perches and modified them as well. There's many more places that need to be updated before we can convert seq_printf() and friends to return void. But this patch set introduces the seq_has_overflowed() and does some initial updates."
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