trim support on 2.6.37

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Hi list,

It is the first time the i write to this list.
I am not sure if it the right place.

I use the kernel 2.6.37 with cryptsetup and lvm on a intel ssd. 
In the logfile after booting i see this entry:
EXT4-fs (dm-1): re-mounted. Opts: discard,errors=remount-ro
EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: discard
EXT4-fs (dm-3): mounted filesystem with ordered data mode. Opts: discard
EXT4-fs (dm-2): mounted filesystem with ordered data mode. Opts: discard
EXT4-fs warning (device dm-1): ext4_issue_discard:2619: discard not
supported, disabling
EXT4-fs warning (device dm-3): ext4_issue_discard:2619: discard not
supported, disabling
EXT4-fs warning (device dm-3): ext4_issue_discard:2619: discard not
supported, disabling
EXT4-fs warning (device dm-3): ext4_issue_discard:2619: discard not
supported, disabling
EXT4-fs (sda1): re-mounted. Opts: discard,commit=0
EXT4-fs (dm-3): re-mounted. Opts: discard,commit=0
EXT4-fs (dm-2): re-mounted. Opts: discard,commit=0

The mount command shows:
/dev/mapper/System2-root_ssd on / type ext2
(rw,noatime,errors=remount-ro,barrier=1,stripe=32,data=ordered,discard)
and the corresponding entry from fstab:
UUID="635a1ad9-9ebb-4d1e-b8c3-30e11148bd92"	/		    ext4
noatime,discard,errors=remount-ro		0	1

My question is now, I don't have trim support now?

Viele GrÃsse
Jens Kasten

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