Diffusion FreeBSD src repository 78f412987605

Enable taking snapshots on UFS/FFS filesystems using journaled soft updates.
78f412987605
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Description

Enable taking snapshots on UFS/FFS filesystems using journaled soft updates.

All the needed infrastructure updates have been made to allow
snapshots to be taken on UFS/FFS filesystems that are using journaled
soft updates. The most immediate benefit is the ability to use a
snapshot to take a consistent filesystem dump on a live filesystem
using the -L option to dump(8).

Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D36491

Details

Provenance

Authored on Nov 13 2022, 6:56 AM

Differential Revision

D36491: Add support for managing UFS/FFS snapshots to fsck_ffs(8)

Parents

rG5c7ba6bdf83f: Fix for tunefs(8) unable to add a UFS/FFS soft update journal.

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Event Timeline

mckusick committed rG78f412987605: Enable taking snapshots on UFS/FFS filesystems using journaled soft updates. (authored by mckusick).Nov 13 2022, 6:56 AM

mckusick added an edge: D36491: Add support for managing UFS/FFS snapshots to fsck_ffs(8).Nov 13 2022, 7:02 AM

mckusick mentioned this in rG3f908eed27b4: Enable taking snapshots on UFS/FFS filesystems using journaled soft updates..Jan 18 2023, 12:32 AM

Changes (3)

Path

Size

sbin/

newfs/

tunefs/

sys/

ufs/

ffs/

rG78f412987605

sbin/newfs/newfs.8

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sbin/tunefs/tunefs.8

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sys/ufs/ffs/ffs_snapshot.c

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