From 1761cd6de4c3e114247e7c01ba1a568ff93f4569 Mon Sep 17 00:00:00 2001 From: Mikhail Pershin Date: Wed, 26 Sep 2012 10:49:26 +0400 Subject: [PATCH] LU-1303 osp: add OSP lprocfs functions OSP lprocfs functions Signed-off-by: Mikhail Pershin Change-Id: Id85447311847c7e75ed6b0505734f5e8eb909ed5 Reviewed-on: http://review.whamcloud.com/4100 Tested-by: Hudson Reviewed-by: wangdi Reviewed-by: Alex Zhuravlev Tested-by: Maloo --- lustre/osp/lproc_osp.c | 374 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 374 insertions(+) diff --git a/lustre/osp/lproc_osp.c b/lustre/osp/lproc_osp.c index e0171d5..21839f4 100644 --- a/lustre/osp/lproc_osp.c +++ b/lustre/osp/lproc_osp.c @@ -45,6 +45,359 @@ #include "osp_internal.h" #ifdef LPROCFS +static int osp_rd_active(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + int rc; + + LPROCFS_CLIMP_CHECK(dev); + rc = snprintf(page, count, "%d\n", + !dev->u.cli.cl_import->imp_deactive); + LPROCFS_CLIMP_EXIT(dev); + return rc; +} + +static int osp_wr_active(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *dev = data; + int val, rc; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + if (val < 0 || val > 1) + return -ERANGE; + + LPROCFS_CLIMP_CHECK(dev); + /* opposite senses */ + if (dev->u.cli.cl_import->imp_deactive == val) + rc = ptlrpc_set_import_active(dev->u.cli.cl_import, val); + else + CDEBUG(D_CONFIG, "activate %d: ignoring repeat request\n", + val); + + LPROCFS_CLIMP_EXIT(dev); + return count; +} + +static int osp_rd_syn_in_flight(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int rc; + + if (osp == NULL) + return -EINVAL; + + rc = snprintf(page, count, "%u\n", osp->opd_syn_rpc_in_flight); + return rc; +} + +static int osp_rd_syn_in_prog(char *page, char **start, off_t off, int count, + int *eof, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int rc; + + if (osp == NULL) + return -EINVAL; + + rc = snprintf(page, count, "%u\n", osp->opd_syn_rpc_in_progress); + return rc; +} + +static int osp_rd_syn_changes(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int rc; + + if (osp == NULL) + return -EINVAL; + + rc = snprintf(page, count, "%lu\n", osp->opd_syn_changes); + return rc; +} + +static int osp_rd_max_rpcs_in_flight(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int rc; + + if (osp == NULL) + return -EINVAL; + + rc = snprintf(page, count, "%u\n", osp->opd_syn_max_rpc_in_flight); + return rc; +} + +static int osp_wr_max_rpcs_in_flight(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int val, rc; + + if (osp == NULL) + return -EINVAL; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val < 1) + return -ERANGE; + + osp->opd_syn_max_rpc_in_flight = val; + return count; +} + +static int osp_rd_max_rpcs_in_prog(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int rc; + + if (osp == NULL) + return -EINVAL; + + rc = snprintf(page, count, "%u\n", osp->opd_syn_max_rpc_in_progress); + return rc; +} + +static int osp_wr_max_rpcs_in_prog(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int val, rc; + + if (osp == NULL) + return -EINVAL; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val < 1) + return -ERANGE; + + osp->opd_syn_max_rpc_in_progress = val; + + return count; +} + +static int osp_rd_create_count(char *page, char **start, off_t off, int count, + int *eof, void *data) +{ + struct obd_device *obd = data; + struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev); + + if (osp == NULL) + return 0; + + return snprintf(page, count, "%d\n", osp->opd_pre_grow_count); +} + +static int osp_wr_create_count(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev); + int val, rc, i; + + if (osp == NULL) + return 0; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + /* The MDT ALWAYS needs to limit the precreate count to + * OST_MAX_PRECREATE, and the constant cannot be changed + * because it is a value shared between the OSP and OST + * that is the maximum possible number of objects that will + * ever be handled by MDT->OST recovery processing. + * + * If the OST ever gets a request to delete more orphans, + * this implies that something has gone badly on the MDT + * and the OST will refuse to delete so much data from the + * filesystem as a safety measure. */ + if (val < OST_MIN_PRECREATE || val > OST_MAX_PRECREATE) + return -ERANGE; + if (val > osp->opd_pre_max_grow_count) + return -ERANGE; + + for (i = 1; (i << 1) <= val; i <<= 1) + ; + osp->opd_pre_grow_count = i; + + return count; +} + +static int osp_rd_max_create_count(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev); + + if (osp == NULL) + return 0; + + return snprintf(page, count, "%d\n", osp->opd_pre_max_grow_count); +} + +static int osp_wr_max_create_count(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *obd = data; + struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev); + int val, rc; + + if (osp == NULL) + return 0; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val < 0) + return -ERANGE; + if (val > OST_MAX_PRECREATE) + return -ERANGE; + + if (osp->opd_pre_grow_count > val) + osp->opd_pre_grow_count = val; + + osp->opd_pre_max_grow_count = val; + + return count; +} + +static int osp_rd_prealloc_next_id(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev); + + if (osp == NULL) + return 0; + + return snprintf(page, count, LPU64"\n", osp->opd_pre_next); +} + +static int osp_rd_prealloc_last_id(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev); + + if (osp == NULL) + return 0; + + return snprintf(page, count, LPU64"\n", osp->opd_pre_last_created); +} + +static int osp_rd_prealloc_reserved(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *obd = data; + struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev); + + if (osp == NULL) + return 0; + + return snprintf(page, count, LPU64"\n", osp->opd_pre_reserved); +} + +static int osp_rd_maxage(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int rc; + + if (osp == NULL) + return -EINVAL; + + rc = snprintf(page, count, "%u\n", osp->opd_statfs_maxage); + return rc; +} + +static int osp_wr_maxage(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int val, rc; + + if (osp == NULL) + return -EINVAL; + + rc = lprocfs_write_helper(buffer, count, &val); + if (rc) + return rc; + + if (val < 1) + return -ERANGE; + + osp->opd_statfs_maxage = val; + + return count; +} + +static int osp_rd_pre_status(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int rc; + + if (osp == NULL) + return -EINVAL; + + rc = snprintf(page, count, "%d\n", osp->opd_pre_status); + return rc; +} + +static int osp_rd_destroys_in_flight(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + + /* + * This counter used to determine if OST has space returned. + * Now we need to wait for the following: + * - sync changes are zero - no llog records + * - sync in progress are zero - no RPCs in flight + */ + return snprintf(page, count, "%lu\n", + osp->opd_syn_rpc_in_progress + osp->opd_syn_changes); +} + +static int osp_rd_old_sync_processed(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct obd_device *dev = data; + struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev); + int rc; + + if (osp == NULL) + return -EINVAL; + + rc = snprintf(page, count, "%d\n", osp->opd_syn_prev_done); + return rc; +} + static struct lprocfs_vars lprocfs_osp_obd_vars[] = { { "uuid", lprocfs_rd_uuid, 0, 0 }, { "ping", 0, lprocfs_wr_ping, 0, 0, 0222 }, @@ -57,9 +410,30 @@ static struct lprocfs_vars lprocfs_osp_obd_vars[] = { { "filesfree", lprocfs_rd_filesfree, 0, 0 }, { "ost_server_uuid", lprocfs_rd_server_uuid, 0, 0 }, { "ost_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 }, + { "active", osp_rd_active, osp_wr_active, 0 }, + { "max_rpcs_in_flight", osp_rd_max_rpcs_in_flight, + osp_wr_max_rpcs_in_flight, 0 }, + { "max_rpcs_in_progress", osp_rd_max_rpcs_in_prog, + osp_wr_max_rpcs_in_prog, 0 }, + { "create_count", osp_rd_create_count, + osp_wr_create_count, 0 }, + { "max_create_count", osp_rd_max_create_count, + osp_wr_max_create_count, 0 }, + { "prealloc_next_id", osp_rd_prealloc_next_id, 0, 0 }, + { "prealloc_last_id", osp_rd_prealloc_last_id, 0, 0 }, + { "prealloc_reserved", osp_rd_prealloc_reserved, 0, 0 }, { "timeouts", lprocfs_rd_timeouts, 0, 0 }, { "import", lprocfs_rd_import, lprocfs_wr_import, 0 }, { "state", lprocfs_rd_state, 0, 0 }, + { "maxage", osp_rd_maxage, osp_wr_maxage, 0 }, + { "prealloc_status", osp_rd_pre_status, 0, 0 }, + { "sync_changes", osp_rd_syn_changes, 0, 0 }, + { "sync_in_flight", osp_rd_syn_in_flight, 0, 0 }, + { "sync_in_progress", osp_rd_syn_in_prog, 0, 0 }, + { "old_sync_processed", osp_rd_old_sync_processed, 0, 0 }, + + /* for compatibility reasons */ + { "destroys_in_flight", osp_rd_destroys_in_flight, 0, 0 }, { 0 } }; -- 1.8.3.1