X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fobdclass%2Flinux%2Flinux-sysctl.c;h=dd94b4614aca3782b762dc4614ed114dbce84f7a;hp=b7e14b7d41a4f65f7bdcdfc60232634c1fbc6f16;hb=5655ee76f5c7573c9ad076a92df6388f27b65196;hpb=e3a7c58aebafce40323db54bf6056029e5af4a70 diff --git a/lustre/obdclass/linux/linux-sysctl.c b/lustre/obdclass/linux/linux-sysctl.c index b7e14b7..dd94b46 100644 --- a/lustre/obdclass/linux/linux-sysctl.c +++ b/lustre/obdclass/linux/linux-sysctl.c @@ -27,7 +27,7 @@ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * - * Copyright (c) 2011, Whamcloud, Inc. + * Copyright (c) 2011, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -54,74 +54,27 @@ #include #ifdef CONFIG_SYSCTL -cfs_sysctl_table_header_t *obd_table_header = NULL; +struct ctl_table_header *obd_table_header = NULL; #endif -#ifndef HAVE_SYSCTL_UNNUMBERED - -#define OBD_SYSCTL 300 - -enum { - OBD_TIMEOUT = 3, /* RPC timeout before recovery/intr */ - OBD_DUMP_ON_TIMEOUT, /* dump kernel debug log upon eviction */ - OBD_MEMUSED, /* bytes currently OBD_ALLOCated */ - OBD_PAGESUSED, /* pages currently OBD_PAGE_ALLOCated */ - OBD_MAXMEMUSED, /* maximum bytes OBD_ALLOCated concurrently */ - OBD_MAXPAGESUSED, /* maximum pages OBD_PAGE_ALLOCated concurrently */ - OBD_SYNCFILTER, /* XXX temporary, as we play with sync osts.. */ - OBD_LDLM_TIMEOUT, /* LDLM timeout for ASTs before client eviction */ - OBD_DUMP_ON_EVICTION, /* dump kernel debug log upon eviction */ - OBD_DEBUG_PEER_ON_TIMEOUT, /* dump peer debug when RPC times out */ - OBD_ALLOC_FAIL_RATE, /* memory allocation random failure rate */ - OBD_MAX_DIRTY_PAGES, /* maximum dirty pages */ - OBD_AT_MIN, /* Adaptive timeouts params */ - OBD_AT_MAX, - OBD_AT_EXTRA, - OBD_AT_EARLY_MARGIN, - OBD_AT_HISTORY, -}; - -#else - -#define OBD_SYSCTL CTL_UNNUMBERED - -#define OBD_FAIL_LOC CTL_UNNUMBERED -#define OBD_FAIL_VAL CTL_UNNUMBERED -#define OBD_TIMEOUT CTL_UNNUMBERED -#define OBD_DUMP_ON_TIMEOUT CTL_UNNUMBERED -#define OBD_MEMUSED CTL_UNNUMBERED -#define OBD_PAGESUSED CTL_UNNUMBERED -#define OBD_MAXMEMUSED CTL_UNNUMBERED -#define OBD_MAXPAGESUSED CTL_UNNUMBERED -#define OBD_SYNCFILTER CTL_UNNUMBERED -#define OBD_LDLM_TIMEOUT CTL_UNNUMBERED -#define OBD_DUMP_ON_EVICTION CTL_UNNUMBERED -#define OBD_DEBUG_PEER_ON_TIMEOUT CTL_UNNUMBERED -#define OBD_ALLOC_FAIL_RATE CTL_UNNUMBERED -#define OBD_MAX_DIRTY_PAGES CTL_UNNUMBERED -#define OBD_AT_MIN CTL_UNNUMBERED -#define OBD_AT_MAX CTL_UNNUMBERED -#define OBD_AT_EXTRA CTL_UNNUMBERED -#define OBD_AT_EARLY_MARGIN CTL_UNNUMBERED -#define OBD_AT_HISTORY CTL_UNNUMBERED - -#endif - -int LL_PROC_PROTO(proc_set_timeout) +static int +proc_set_timeout(struct ctl_table *table, int write, void __user *buffer, + size_t *lenp, loff_t *ppos) { int rc; - rc = ll_proc_dointvec(table, write, filp, buffer, lenp, ppos); + rc = proc_dointvec(table, write, buffer, lenp, ppos); if (ldlm_timeout >= obd_timeout) ldlm_timeout = max(obd_timeout / 3, 1U); return rc; } -int LL_PROC_PROTO(proc_memory_alloc) +static int +proc_memory_alloc(struct ctl_table *table, int write, void __user *buffer, + size_t *lenp, loff_t *ppos) { char buf[22]; int len; - DECLARE_LL_PROC_PPOS_DECL; if (!*lenp || (*ppos && !write)) { *lenp = 0; @@ -134,18 +87,19 @@ int LL_PROC_PROTO(proc_memory_alloc) if (len > *lenp) len = *lenp; buf[len] = '\0'; - if (cfs_copy_to_user(buffer, buf, len)) + if (copy_to_user(buffer, buf, len)) return -EFAULT; *lenp = len; *ppos += *lenp; return 0; } -int LL_PROC_PROTO(proc_pages_alloc) +static int +proc_pages_alloc(struct ctl_table *table, int write, void __user *buffer, + size_t *lenp, loff_t *ppos) { char buf[22]; int len; - DECLARE_LL_PROC_PPOS_DECL; if (!*lenp || (*ppos && !write)) { *lenp = 0; @@ -158,18 +112,19 @@ int LL_PROC_PROTO(proc_pages_alloc) if (len > *lenp) len = *lenp; buf[len] = '\0'; - if (cfs_copy_to_user(buffer, buf, len)) + if (copy_to_user(buffer, buf, len)) return -EFAULT; *lenp = len; *ppos += *lenp; return 0; } -int LL_PROC_PROTO(proc_mem_max) +static int +proc_mem_max(struct ctl_table *table, int write, void __user *buffer, + size_t *lenp, loff_t *ppos) { char buf[22]; int len; - DECLARE_LL_PROC_PPOS_DECL; if (!*lenp || (*ppos && !write)) { *lenp = 0; @@ -182,18 +137,19 @@ int LL_PROC_PROTO(proc_mem_max) if (len > *lenp) len = *lenp; buf[len] = '\0'; - if (cfs_copy_to_user(buffer, buf, len)) + if (copy_to_user(buffer, buf, len)) return -EFAULT; *lenp = len; *ppos += *lenp; return 0; } -int LL_PROC_PROTO(proc_pages_max) +static int +proc_pages_max(struct ctl_table *table, int write, void __user *buffer, + size_t *lenp, loff_t *ppos) { char buf[22]; int len; - DECLARE_LL_PROC_PPOS_DECL; if (!*lenp || (*ppos && !write)) { *lenp = 0; @@ -206,60 +162,61 @@ int LL_PROC_PROTO(proc_pages_max) if (len > *lenp) len = *lenp; buf[len] = '\0'; - if (cfs_copy_to_user(buffer, buf, len)) + if (copy_to_user(buffer, buf, len)) return -EFAULT; *lenp = len; *ppos += *lenp; return 0; } -int LL_PROC_PROTO(proc_max_dirty_pages_in_mb) +static int +proc_max_dirty_pages_in_mb(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) { - int rc = 0; - DECLARE_LL_PROC_PPOS_DECL; - - if (!table->data || !table->maxlen || !*lenp || (*ppos && !write)) { - *lenp = 0; - return 0; - } - if (write) { - rc = lprocfs_write_frac_helper(buffer, *lenp, - (unsigned int*)table->data, - 1 << (20 - CFS_PAGE_SHIFT)); - /* Don't allow them to let dirty pages exceed 90% of system - * memory and set a hard minimum of 4MB. */ - if (obd_max_dirty_pages > ((cfs_num_physpages / 10) * 9)) { - CERROR("Refusing to set max dirty pages to %u, which " - "is more than 90%% of available RAM; setting " - "to %lu\n", obd_max_dirty_pages, - ((cfs_num_physpages / 10) * 9)); - obd_max_dirty_pages = ((cfs_num_physpages / 10) * 9); - } else if (obd_max_dirty_pages < 4 << (20 - CFS_PAGE_SHIFT)) { - obd_max_dirty_pages = 4 << (20 - CFS_PAGE_SHIFT); - } - } else { - char buf[21]; - int len; - - len = lprocfs_read_frac_helper(buf, sizeof(buf), - *(unsigned int*)table->data, - 1 << (20 - CFS_PAGE_SHIFT)); - if (len > *lenp) - len = *lenp; - buf[len] = '\0'; - if (cfs_copy_to_user(buffer, buf, len)) - return -EFAULT; - *lenp = len; - } - *ppos += *lenp; - return rc; + int rc = 0; + + if (!table->data || !table->maxlen || !*lenp || (*ppos && !write)) { + *lenp = 0; + return 0; + } + if (write) { + rc = lprocfs_write_frac_helper(buffer, *lenp, + (unsigned int *)table->data, + 1 << (20 - PAGE_CACHE_SHIFT)); + /* Don't allow them to let dirty pages exceed 90% of system + * memory and set a hard minimum of 4MB. */ + if (obd_max_dirty_pages > ((totalram_pages / 10) * 9)) { + CERROR("Refusing to set max dirty pages to %u, which " + "is more than 90%% of available RAM; setting " + "to %lu\n", obd_max_dirty_pages, + ((totalram_pages / 10) * 9)); + obd_max_dirty_pages = ((totalram_pages / 10) * 9); + } else if (obd_max_dirty_pages < 4 << (20 - PAGE_CACHE_SHIFT)) { + obd_max_dirty_pages = 4 << (20 - PAGE_CACHE_SHIFT); + } + } else { + char buf[21]; + int len; + + len = lprocfs_read_frac_helper(buf, sizeof(buf), + *(unsigned int *)table->data, + 1 << (20 - PAGE_CACHE_SHIFT)); + if (len > *lenp) + len = *lenp; + buf[len] = '\0'; + if (copy_to_user(buffer, buf, len)) + return -EFAULT; + *lenp = len; + } + *ppos += *lenp; + return rc; } #ifdef RANDOM_FAIL_ALLOC -int LL_PROC_PROTO(proc_alloc_fail_rate) +int proc_alloc_fail_rate(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) { int rc = 0; - DECLARE_LL_PROC_PPOS_DECL; if (!table->data || !table->maxlen || !*lenp || (*ppos && !write)) { *lenp = 0; @@ -279,7 +236,7 @@ int LL_PROC_PROTO(proc_alloc_fail_rate) if (len > *lenp) len = *lenp; buf[len] = '\0'; - if (cfs_copy_to_user(buffer, buf, len)) + if (copy_to_user(buffer, buf, len)) return -EFAULT; *lenp = len; } @@ -288,188 +245,175 @@ int LL_PROC_PROTO(proc_alloc_fail_rate) } #endif -int LL_PROC_PROTO(proc_at_min) -{ - return ll_proc_dointvec(table, write, filp, buffer, lenp, ppos); -} -int LL_PROC_PROTO(proc_at_max) -{ - return ll_proc_dointvec(table, write, filp, buffer, lenp, ppos); -} -int LL_PROC_PROTO(proc_at_extra) -{ - return ll_proc_dointvec(table, write, filp, buffer, lenp, ppos); -} -int LL_PROC_PROTO(proc_at_early_margin) -{ - return ll_proc_dointvec(table, write, filp, buffer, lenp, ppos); -} -int LL_PROC_PROTO(proc_at_history) -{ - return ll_proc_dointvec(table, write, filp, buffer, lenp, ppos); -} - #ifdef CONFIG_SYSCTL -static cfs_sysctl_table_t obd_table[] = { - { - INIT_CTL_NAME(OBD_TIMEOUT) - .procname = "timeout", - .data = &obd_timeout, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_set_timeout - }, - { - INIT_CTL_NAME(OBD_DEBUG_PEER_ON_TIMEOUT) - .procname = "debug_peer_on_timeout", - .data = &obd_debug_peer_on_timeout, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec - }, - { - INIT_CTL_NAME(OBD_DUMP_ON_TIMEOUT) - .procname = "dump_on_timeout", - .data = &obd_dump_on_timeout, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec - }, - { - INIT_CTL_NAME(OBD_DUMP_ON_EVICTION) - .procname = "dump_on_eviction", - .data = &obd_dump_on_eviction, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec - }, - { - INIT_CTL_NAME(OBD_MEMUSED) - .procname = "memused", - .data = NULL, - .maxlen = 0, - .mode = 0444, - .proc_handler = &proc_memory_alloc - }, - { - INIT_CTL_NAME(OBD_PAGESUSED) - .procname = "pagesused", - .data = NULL, - .maxlen = 0, - .mode = 0444, - .proc_handler = &proc_pages_alloc - }, - { - INIT_CTL_NAME(OBD_MAXMEMUSED) - .procname = "memused_max", - .data = NULL, - .maxlen = 0, - .mode = 0444, - .proc_handler = &proc_mem_max - }, - { - INIT_CTL_NAME(OBD_MAXPAGESUSED) - .procname = "pagesused_max", - .data = NULL, - .maxlen = 0, - .mode = 0444, - .proc_handler = &proc_pages_max - }, - { - INIT_CTL_NAME(OBD_LDLM_TIMEOUT) - .procname = "ldlm_timeout", - .data = &ldlm_timeout, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_set_timeout - }, +static struct ctl_table obd_table[] = { + { + INIT_CTL_NAME + .procname = "timeout", + .data = &obd_timeout, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_set_timeout + }, + { + INIT_CTL_NAME + .procname = "debug_peer_on_timeout", + .data = &obd_debug_peer_on_timeout, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "dump_on_timeout", + .data = &obd_dump_on_timeout, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "dump_on_eviction", + .data = &obd_dump_on_eviction, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "memused", + .data = NULL, + .maxlen = 0, + .mode = 0444, + .proc_handler = &proc_memory_alloc + }, + { + INIT_CTL_NAME + .procname = "pagesused", + .data = NULL, + .maxlen = 0, + .mode = 0444, + .proc_handler = &proc_pages_alloc + }, + { + INIT_CTL_NAME + .procname = "memused_max", + .data = NULL, + .maxlen = 0, + .mode = 0444, + .proc_handler = &proc_mem_max + }, + { + INIT_CTL_NAME + .procname = "pagesused_max", + .data = NULL, + .maxlen = 0, + .mode = 0444, + .proc_handler = &proc_pages_max + }, + { + INIT_CTL_NAME + .procname = "ldlm_timeout", + .data = &ldlm_timeout, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_set_timeout + }, #ifdef RANDOM_FAIL_ALLOC - { - INIT_CTL_NAME(OBD_ALLOC_FAIL_RATE) - .procname = "alloc_fail_rate", - .data = &obd_alloc_fail_rate, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_alloc_fail_rate - }, + { + INIT_CTL_NAME + .procname = "alloc_fail_rate", + .data = &obd_alloc_fail_rate, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_alloc_fail_rate + }, #endif - { - INIT_CTL_NAME(OBD_MAX_DIRTY_PAGES) - .procname = "max_dirty_mb", - .data = &obd_max_dirty_pages, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_max_dirty_pages_in_mb - }, - { - INIT_CTL_NAME(OBD_AT_MIN) - .procname = "at_min", - .data = &at_min, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_at_min - }, - { - INIT_CTL_NAME(OBD_AT_MAX) - .procname = "at_max", - .data = &at_max, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_at_max - }, - { - INIT_CTL_NAME(OBD_AT_EXTRA) - .procname = "at_extra", - .data = &at_extra, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_at_extra - }, - { - INIT_CTL_NAME(OBD_AT_EARLY_MARGIN) - .procname = "at_early_margin", - .data = &at_early_margin, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_at_early_margin - }, - { - INIT_CTL_NAME(OBD_AT_HISTORY) - .procname = "at_history", - .data = &at_history, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_at_history - }, - { INIT_CTL_NAME(0) } + { + INIT_CTL_NAME + .procname = "max_dirty_mb", + .data = &obd_max_dirty_pages, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_max_dirty_pages_in_mb + }, + { + INIT_CTL_NAME + .procname = "bulk_timeout", + .data = &bulk_timeout, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "at_min", + .data = &at_min, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "at_max", + .data = &at_max, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "at_extra", + .data = &at_extra, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "at_early_margin", + .data = &at_early_margin, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { + INIT_CTL_NAME + .procname = "at_history", + .data = &at_history, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, + { 0 } }; -static cfs_sysctl_table_t parent_table[] = { - { - INIT_CTL_NAME(OBD_SYSCTL) - .procname = "lustre", - .data = NULL, - .maxlen = 0, - .mode = 0555, - .child = obd_table - }, - { INIT_CTL_NAME(0) } +static struct ctl_table parent_table[] = { + { + INIT_CTL_NAME + .procname = "lustre", + .data = NULL, + .maxlen = 0, + .mode = 0555, + .child = obd_table + }, + { 0 } }; #endif void obd_sysctl_init (void) { #ifdef CONFIG_SYSCTL - if ( !obd_table_header ) - obd_table_header = cfs_register_sysctl_table(parent_table, 0); + if ( !obd_table_header ) + obd_table_header = register_sysctl_table(parent_table); #endif } void obd_sysctl_clean (void) { #ifdef CONFIG_SYSCTL - if ( obd_table_header ) - cfs_unregister_sysctl_table(obd_table_header); - obd_table_header = NULL; + if ( obd_table_header ) + unregister_sysctl_table(obd_table_header); + obd_table_header = NULL; #endif }