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d12614521a
There are some issues with the way the seq_file interface is implemented for kstats backed by linked lists (zfs_dbgmsgs and certain per-pool debugging info): * We don't account for the fact that seq_file sometimes visits a node multiple times, which results in missing messages when read through procfs. * We don't keep separate state for each reader of a file, so concurrent readers will receive incorrect results. * We don't account for the fact that entries may have been removed from the list between read syscalls, so reading from these files in procfs can cause the system to crash. This change fixes these issues and adds procfs_list, a wrapper around a linked list which abstracts away the details of implementing the seq_file interface for a list and exposing the contents of the list through procfs. Reviewed by: Don Brady <don.brady@delphix.com> Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com> Reviewed by: Brad Lewis <brad.lewis@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: John Gallagher <john.gallagher@delphix.com> External-issue: LX-1211 Closes #7819
63 lines
2.4 KiB
Makefile
63 lines
2.4 KiB
Makefile
KERNEL_H = \
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$(top_srcdir)/include/spl/sys/acl.h \
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$(top_srcdir)/include/spl/sys/atomic.h \
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$(top_srcdir)/include/spl/sys/byteorder.h \
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$(top_srcdir)/include/spl/sys/callb.h \
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$(top_srcdir)/include/spl/sys/callo.h \
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$(top_srcdir)/include/spl/sys/cmn_err.h \
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$(top_srcdir)/include/spl/sys/condvar.h \
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$(top_srcdir)/include/spl/sys/console.h \
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$(top_srcdir)/include/spl/sys/cred.h \
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$(top_srcdir)/include/spl/sys/ctype.h \
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$(top_srcdir)/include/spl/sys/debug.h \
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$(top_srcdir)/include/spl/sys/disp.h \
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$(top_srcdir)/include/spl/sys/dkioc_free_util.h \
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$(top_srcdir)/include/spl/sys/dkio.h \
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$(top_srcdir)/include/spl/sys/errno.h \
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$(top_srcdir)/include/spl/sys/fcntl.h \
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$(top_srcdir)/include/spl/sys/file.h \
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$(top_srcdir)/include/spl/sys/inttypes.h \
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$(top_srcdir)/include/spl/sys/isa_defs.h \
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$(top_srcdir)/include/spl/sys/kmem_cache.h \
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$(top_srcdir)/include/spl/sys/kmem.h \
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$(top_srcdir)/include/spl/sys/kobj.h \
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$(top_srcdir)/include/spl/sys/kstat.h \
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$(top_srcdir)/include/spl/sys/list.h \
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$(top_srcdir)/include/spl/sys/mode.h \
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$(top_srcdir)/include/spl/sys/mutex.h \
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$(top_srcdir)/include/spl/sys/param.h \
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$(top_srcdir)/include/spl/sys/processor.h \
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$(top_srcdir)/include/spl/sys/proc.h \
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$(top_srcdir)/include/spl/sys/procfs_list.h \
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$(top_srcdir)/include/spl/sys/random.h \
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$(top_srcdir)/include/spl/sys/rwlock.h \
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$(top_srcdir)/include/spl/sys/shrinker.h \
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$(top_srcdir)/include/spl/sys/sid.h \
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$(top_srcdir)/include/spl/sys/signal.h \
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$(top_srcdir)/include/spl/sys/stat.h \
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$(top_srcdir)/include/spl/sys/strings.h \
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$(top_srcdir)/include/spl/sys/sunddi.h \
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$(top_srcdir)/include/spl/sys/sysmacros.h \
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$(top_srcdir)/include/spl/sys/systeminfo.h \
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$(top_srcdir)/include/spl/sys/taskq.h \
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$(top_srcdir)/include/spl/sys/thread.h \
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$(top_srcdir)/include/spl/sys/time.h \
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$(top_srcdir)/include/spl/sys/timer.h \
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$(top_srcdir)/include/spl/sys/tsd.h \
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$(top_srcdir)/include/spl/sys/types32.h \
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$(top_srcdir)/include/spl/sys/types.h \
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$(top_srcdir)/include/spl/sys/uio.h \
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$(top_srcdir)/include/spl/sys/user.h \
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$(top_srcdir)/include/spl/sys/vfs.h \
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$(top_srcdir)/include/spl/sys/vmem.h \
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$(top_srcdir)/include/spl/sys/vmsystm.h \
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$(top_srcdir)/include/spl/sys/vnode.h \
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$(top_srcdir)/include/spl/sys/wait.h \
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$(top_srcdir)/include/spl/sys/zmod.h \
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$(top_srcdir)/include/spl/sys/zone.h
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if CONFIG_KERNEL
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kerneldir = @prefix@/src/zfs-$(VERSION)/include/spl/sys
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kernel_HEADERS = $(KERNEL_H)
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endif
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