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f2fs: run discard jobs when put_super
When we umount f2fs, we need to avoid long delay due to discard commands, which is actually taking tens of seconds, if storage is very slow on UNMAP. So, this patch introduces timeout-based work on it. By default, let me give 5 seconds for discard. Reviewed-by: Chao Yu <[email protected]> Signed-off-by: Jaegeuk Kim <[email protected]>
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Jaegeuk Kim
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Feb 4, 2019
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Original file line number | Diff line number | Diff line change |
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@@ -86,6 +86,13 @@ Description: | |
The unit size is one block, now only support configuring in range | ||
of [1, 512]. | ||
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What: /sys/fs/f2fs/<disk>/umount_discard_timeout | ||
Date: January 2019 | ||
Contact: "Jaegeuk Kim" <[email protected]> | ||
Description: | ||
Set timeout to issue discard commands during umount. | ||
Default: 5 secs | ||
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What: /sys/fs/f2fs/<disk>/max_victim_search | ||
Date: January 2014 | ||
Contact: "Jaegeuk Kim" <[email protected]> | ||
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