ext4discard

Theblockdiscardoperationcommunicatestotheunderlyingstoragewhichfilesystemblocksarenolongerinusebythemountedfilesystem.Blockdiscard ...,2023年5月25日—AsfarasIcantell,discard=asyncisbtrfs-specificandfairlynew.Itwasinitiallyintroducedin2019,andbecamethedefaultinLinux6.2.,Controlswhetherext4shouldissuediscard/TRIM.commandstotheunderlyingblockdevicewhenblocksarefreed.PeriodicTRIM.util-linux中自带了...

參考資訊如下
Chapter 23. Discarding unused blocks

The block discard operation communicates to the underlying storage which filesystem blocks are no longer in use by the mounted filesystem. Block discard ...

Is "discard=async" a supported fstab mount option for Ext4 ...

2023年5月25日 — As far as I can tell, discard=async is btrfs-specific and fairly new. It was initially introduced in 2019, and became the default in Linux 6.2.

Linux 下启用SSD TRIM 功能

Controls whether ext4 should issue discard/TRIM. commands to the underlying block device when blocks are freed. Periodic TRIM. util-linux 中自带了fstrim 工具（ ...

ro Mount filesystem read only. Note that ext4 will

discard Controls whether ext4 should issue discard/TRIM nodiscard(*) commands to the underlying block device when blocks are freed. This is useful for SSD ...

When and where to use rw,nofail,noatime,discard,defaults?

ext4之discard 原创

2021年1月7日 — Firefox的一种不太简约的Web扩展，可自然地（通过tabs.discard）挂起非活动的标签页。 产品特点只需要最小的用户权限（存储以保存配置和选项卡） 白名单和 ...

[SOLVED] whether should I turn on “discard” option for ext4 ...

2015年7月11日 — Long term means it's fine to do fstrim weekly or even monthly. Little point in having trim be instant like the discard flag. Unless you have a ...

EXT4挂载Mount参数分析和建议

2021年2月2日 — Controls whether ext4 should issue discard/TRIM commands to the underlying block device when blocks are freed. This is useful for SSD devices ...

Enable DiscardTrim for your SSD

2021年3月24日 — Finally, you need to enable discard for all of your ext4 partitions: simply add the discard option to /etc/fstab . Note that swap on a swap ...

Is mounting with "discard" needed for TRIM?

2021年5月16日 — I'm on Arch Linux 5.12.3. findmnt tells me this about the partitions and their mount options: TARGET SOURCE FSTYPE OPTIONS / /dev/sda3 ext4 rw ...