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(parent: 7a45757) | patch
idr: Warn if old iterators see large IDs
authorMatthew Wilcox <mawilcox@microsoft.com>
Tue, 28 Nov 2017 20:50:12 +0000 (15:50 -0500)
committerMatthew Wilcox <mawilcox@microsoft.com>
Tue, 6 Feb 2018 21:41:28 +0000 (16:41 -0500)
commit72fd6c7be701d80eef34da305a6294c61520fe13
tree43cedfc096c74d6240c51b77d6ed2b5a1042621ctree | snapshot
parent7a4575778f4db109b8b78e6dba03271096793f88commit | diff
idr: Warn if old iterators see large IDs

Now that the IDR can be used to store large IDs, it is possible somebody
might only partially convert their old code and use the iterators which
can only handle IDs up to INT_MAX.  It's probably unwise to show them a
truncated ID, so settle for spewing warnings to dmesg, and terminating
the iteration.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
lib/idr.c diff | blob | history
Domain: System / Kernel;