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drbd: Finished the "on-no-data-accessible suspend-io;" functionality

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When no data is accessible (no connection to the peer, nor a local disk)
allow the user to select to freeze all IO operations instead of getting
IO errors.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2010-05-31 10:14:17 +02:00
parent 905cd7d8ac
commit 265be2d098
9 changed files with 90 additions and 1 deletions
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5
include/linux/drbd.h
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@ -91,6 +91,11 @@ enum drbd_after_sb_p {
ASB_VIOLENTLY
};
enum drbd_on_no_data {
OND_IO_ERROR,
OND_SUSPEND_IO
};
/* KEEP the order, do not delete or insert. Only append. */
enum drbd_ret_codes {
ERR_CODE_BASE = 100,