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memrw unimplemented #20

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emaste opened this issue Mar 25, 2015 · 0 comments
Open

memrw unimplemented #20

emaste opened this issue Mar 25, 2015 · 0 comments

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@emaste
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emaste commented Mar 25, 2015

https://github.com/FreeBSDFoundation/freebsd/blob/arm64-dev/sys/arm64/arm64/mem.c#L45
emaste pushed a commit that referenced this issue Mar 12, 2018
Make root mount timeout logic work for filesystems other than ufs.
8b0ba03 
The vfs.mountroot.timeout tunable and .timeout directive in a mount.conf(5)
file allow specifying a wait timeout for the device(s) hosting the root
filesystem to become usable.  The current mechanism for waiting for devices
and detecting their availability can't be used for zfs-hosted filesystems.
See the comment #20 in the PR for some expanded detail on these points.

This change adds retry logic to the actual root filesystem mount.  That is,
insted of relying on device availability using device name lookups, it uses
the kernel_mount() call itself to detect whether the filesystem can be
mounted, and loops until it succeeds or the configured timeout is exceeded.

These changes are based on the patch attached to the PR, but it's rewritten
enough that all mistakes belong to me.

PR:		208882
X-MFC after:	sufficient testing, and hopefully in time for 11.1
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@emaste