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authorCurt Wohlgemuth <curtw@google.com>2011-10-08 07:54:10 +0400
committerWu Fengguang <fengguang.wu@intel.com>2011-10-30 20:33:36 +0400
commit0e175a1835ffc979e55787774e58ec79e41957d7 (patch)
tree6ec4b65a8de4e9d1c12d26a1079079ed81d79450 /arch/mn10300/kernel/gdb-stub.c
parentad4e38dd6a33bb3a4882c487d7abe621e583b982 (diff)
downloadlinux-0e175a1835ffc979e55787774e58ec79e41957d7.tar.xz
writeback: Add a 'reason' to wb_writeback_work
This creates a new 'reason' field in a wb_writeback_work structure, which unambiguously identifies who initiates writeback activity. A 'wb_reason' enumeration has been added to writeback.h, to enumerate the possible reasons. The 'writeback_work_class' and tracepoint event class and 'writeback_queue_io' tracepoints are updated to include the symbolic 'reason' in all trace events. And the 'writeback_inodes_sbXXX' family of routines has had a wb_stats parameter added to them, so callers can specify why writeback is being started. Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Curt Wohlgemuth <curtw@google.com> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Diffstat (limited to 'arch/mn10300/kernel/gdb-stub.c')
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