Re: [PATCH 5/5] libata: Add support for TRIM

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Matthew Wilcox wrote:
Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
---
 drivers/ata/libata-scsi.c |   46 +++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 46 insertions(+), 0 deletions(-)

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index b9747fa..d4c8b8b 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
...

It works.  :)

I'm using TRIM on a 120GB OCZ Vertex SSD here now,
and instrumented ata_discard_fn() to log what it does.
Seems to work perfectly, and the sector ranges for TRIM
match those given by "hdparm --fibmap" for the files I've tried.

Does this also TRIM metadata (eg. block bitmaps and the like) ?

Thanks Matthew (and others).
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