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Unverified Commit d05dcfdf authored by Eric Van Hensbergen's avatar Eric Van Hensbergen
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fs/9p: mitigate inode collisions



Detect and mitigate inode collsions that now occur since we
fixed 9p generating duplicate inode structures.  Underlying
cause of these appears to be a race condition between reuse
of inode numbers in underlying file system and cleanup of
inode numbers in the client.  Enabling caching
makes this much more likely to happen as it increases cleanup
latency due to writebacks.

Reported-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: default avatarEric Van Hensbergen <ericvh@kernel.org>
parent ed30a4a5
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