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| author | Philipp Reisner <philipp.reisner@linbit.com> | 2010-05-31 12:14:17 +0400 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2010-10-14 16:52:53 +0400 |
| commit | 265be2d09853d425ad14a61cda0ca63345613d0c (patch) | |
| tree | cc2f419d8aaa41fd088f3d24ca134c4d7f51aa64 /include/linux | |
| parent | 905cd7d8ac9b18e1f122b90dbebe1246b1c364fd (diff) | |
| download | linux-265be2d09853d425ad14a61cda0ca63345613d0c.tar.xz | |
drbd: Finished the "on-no-data-accessible suspend-io;" functionality
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>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/drbd.h | 5 | ||||
| -rw-r--r-- | include/linux/drbd_limits.h | 1 | ||||
| -rw-r--r-- | include/linux/drbd_nl.h | 1 |
3 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/drbd.h b/include/linux/drbd.h index 479ee3a1d901..7be069fcca57 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -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, diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 440b42e38e89..7eb1e98009ec 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -128,6 +128,7 @@ #define DRBD_AFTER_SB_1P_DEF ASB_DISCONNECT #define DRBD_AFTER_SB_2P_DEF ASB_DISCONNECT #define DRBD_RR_CONFLICT_DEF ASB_DISCONNECT +#define DRBD_ON_NO_DATA_DEF OND_IO_ERROR #define DRBD_MAX_BIO_BVECS_MIN 0 #define DRBD_MAX_BIO_BVECS_MAX 128 diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h index 5f042810a56c..9aebd0d80a5d 100644 --- a/include/linux/drbd_nl.h +++ b/include/linux/drbd_nl.h @@ -87,6 +87,7 @@ NL_PACKET(syncer_conf, 8, NL_STRING( 51, T_MAY_IGNORE, cpu_mask, 32) NL_STRING( 64, T_MAY_IGNORE, csums_alg, SHARED_SECRET_MAX) NL_BIT( 65, T_MAY_IGNORE, use_rle) + NL_INTEGER( 75, T_MAY_IGNORE, on_no_data) ) NL_PACKET(invalidate, 9, ) |