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authorFeng Tang <feng.tang@intel.com>2012-10-30 11:56:07 +0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-10-29 11:56:59 -0200
commite84ba4e26833991d1c1c15a592b1474ee2b6dfdb (patch)
treea73d2b23c722ac3c1bbf08c075d124ccbe510ec7 /fs/quota/quota_v2.c
parentcdbab7c201ab38f7b8d248ebf289025381166526 (diff)
downloadlinux-e84ba4e26833991d1c1c15a592b1474ee2b6dfdb.tar.bz2
perf header: Add is_perf_magic() func
With this function, other modules can basically check whether a file is a legal perf data file by checking its first 8 bytes against all possible perf magic numbers. Change the function name from check_perf_magic to more meaningful is_perf_magic as suggested by acme. Signed-off-by: Feng Tang <feng.tang@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1351569369-26732-7-git-send-email-feng.tang@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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