nvlist: Add nvlist_snprintf() and zfs_dbgmsg_nvlist() #17215
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amotin
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Apr 8, 2025
amotin
reviewed
Apr 8, 2025
Add nvlist_snprintf() to print a nvlist to a buffer. This is basically the snprintf() version of dump_nvlist(). Along with that, add a zfs_dbgmsg_nvlist() to print out an nvlist to dbgmsg. This will aid in debugging. Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
amotin
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Apr 8, 2025
amotin
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Status: Accepted
snajpa
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May 2, 2025
Add nvlist_snprintf() to print a nvlist to a buffer. This is basically the snprintf() version of dump_nvlist(). Along with that, add a zfs_dbgmsg_nvlist() to print out an nvlist to dbgmsg. This will aid in debugging. Reviewed-by: Alexander Motin <mav@FreeBSD.org> Signed-off-by: Tony Hutter <hutter2@llnl.gov> Closes openzfs#17215
spauka
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Aug 30, 2025
Add nvlist_snprintf() to print a nvlist to a buffer. This is basically the snprintf() version of dump_nvlist(). Along with that, add a zfs_dbgmsg_nvlist() to print out an nvlist to dbgmsg. This will aid in debugging. Reviewed-by: Alexander Motin <mav@FreeBSD.org> Signed-off-by: Tony Hutter <hutter2@llnl.gov> Closes openzfs#17215
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Motivation and Context
Over the years I've wanted an easy way to print an nvlist in kernel space.
Description
Add
nvlist_snprintf()to print a nvlist to a buffer. This is basically thesnprintf()version ofdump_nvlist(). Along with that, add azfs_dbgmsg_nvlist()to print out an nvlist to dbgmsg. This will aid in debugging.How Has This Been Tested?
Manually tested
Types of changes
Checklist:
Signed-off-by.