diff options
Diffstat (limited to 'glusterfsd/src/glusterfsd.c')
| -rw-r--r-- | glusterfsd/src/glusterfsd.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/glusterfsd/src/glusterfsd.c b/glusterfsd/src/glusterfsd.c index b5b8e4d30a7..3de12bc125f 100644 --- a/glusterfsd/src/glusterfsd.c +++ b/glusterfsd/src/glusterfsd.c @@ -256,6 +256,11 @@ static struct argp_option gf_options[] = { OPTION_ARG_OPTIONAL, "disable/enable fuse event-history"}, {"reader-thread-count", ARGP_READER_THREAD_COUNT_KEY, "INTEGER", OPTION_ARG_OPTIONAL, "set fuse reader thread count"}, + {"kernel-writeback-cache", ARGP_KERNEL_WRITEBACK_CACHE_KEY, "BOOL", + OPTION_ARG_OPTIONAL, "enable fuse in-kernel writeback cache"}, + {"attr-times-granularity", ARGP_ATTR_TIMES_GRANULARITY_KEY, "NS", + OPTION_ARG_OPTIONAL, "declare supported granularity of file attribute" + " times in nanoseconds"}, {0, 0, 0, 0, "Miscellaneous Options:"}, {0, } }; @@ -617,6 +622,44 @@ set_fuse_mount_options (glusterfs_ctx_t *ctx, dict_t *options) goto err; } } + switch (cmd_args->kernel_writeback_cache) { + case GF_OPTION_ENABLE: + ret = dict_set_static_ptr(options, "kernel-writeback-cache", + "on"); + if (ret < 0) { + gf_msg ("glusterfsd", GF_LOG_ERROR, 0, glusterfsd_msg_4, + "failed to set dict value for key " + "kernel-writeback-cache"); + goto err; + } + break; + case GF_OPTION_DISABLE: + ret = dict_set_static_ptr(options, "kernel-writeback-cache", + "off"); + if (ret < 0) { + gf_msg ("glusterfsd", GF_LOG_ERROR, 0, glusterfsd_msg_4, + "failed to set dict value for key " + "kernel-writeback-cache"); + goto err; + } + break; + case GF_OPTION_DEFERRED: /* default */ + default: + gf_msg_debug ("glusterfsd", 0, "kernel-writeback-cache mode %d", + cmd_args->kernel_writeback_cache); + break; + } + if (cmd_args->attr_times_granularity) { + ret = dict_set_uint32 (options, "attr-times-granularity", + cmd_args->attr_times_granularity); + if (ret < 0) { + gf_msg ("glusterfsd", GF_LOG_ERROR, 0, glusterfsd_msg_4, + "failed to set dict value for key " + "attr-times-granularity"); + goto err; + } + } + ret = 0; err: @@ -1385,6 +1428,32 @@ no_oom_api: break; + case ARGP_KERNEL_WRITEBACK_CACHE_KEY: + if (!arg) + arg = "yes"; + + if (gf_string2boolean (arg, &b) == 0) { + cmd_args->kernel_writeback_cache = b; + + break; + } + + argp_failure (state, -1, 0, + "unknown kernel writeback cache setting \"%s\"", arg); + break; + case ARGP_ATTR_TIMES_GRANULARITY_KEY: + if (gf_string2uint32 (arg, &cmd_args->attr_times_granularity)) { + argp_failure (state, -1, 0, + "unknown attribute times granularity option %s", + arg); + } else if (cmd_args->attr_times_granularity > 1000000000) { + argp_failure (state, -1, 0, + "Invalid attribute times granularity value %s. " + "Valid range: [\"0, 1000000000\"]", arg); + } + + break; + } return 0; } @@ -1690,6 +1759,7 @@ glusterfs_ctx_defaults_init (glusterfs_ctx_t *ctx) cmd_args->fuse_attribute_timeout = -1; cmd_args->fuse_entry_timeout = -1; cmd_args->fopen_keep_cache = GF_OPTION_DEFERRED; + cmd_args->kernel_writeback_cache = GF_OPTION_DEFERRED; if (ctx->mem_acct_enable) cmd_args->mem_acct = 1; |