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btrfs-progs: docs: mention discard=async in mount options

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Issue: #617
Signed-off-by: David Sterba <dsterba@suse.com>
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David Sterba 2023-04-26 12:42:39 +02:00
parent f75dd798d1
commit 93d51b286c
1 changed files with 1 additions and 1 deletions
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Documentation/ch-mount-options.rst
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@ -191,7 +191,7 @@ device=<devicepath>
system at that point.
discard, discard=sync, discard=async, nodiscard
(default: off, async support since: 5.6)
(default: async when devices support it since 6.2, async support since: 5.6)
Enable discarding of freed file blocks. This is useful for SSD devices, thinly
provisioned LUNs, or virtual machine images; however, every storage layer must