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Support 'discard sectors' operation in translation layer support core

David Woodhouse committed 18 years ago

Commit eae9acd1 parent 8c540a93 files · +19 −0Browse files

Showing the changes to include/linux/blkdev.h (1 of 3 files). Show all

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include/linux/blkdev.h+1−0
@@ -81,6 +81,7 @@ enum { · 80 unmodified lines
8181 */
8282 REQ_LB_OP_EJECT = 0x40, /* eject request */
8383 REQ_LB_OP_FLUSH = 0x41, /* flush device */
84+ REQ_LB_OP_DISCARD = 0x42, /* discard sectors */
8485 };
8586
8687 /*