From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
Cc: linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Minchan Kim <minchan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Richard Weinberger <richard-/L3Ra7n9ekc@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Song Liu <song-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Johannes Thumshirn
<johannes.thumshirn-Sjgp3cTcYWE@public.gmane.org>,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
drbd-dev-cunTk1MwBs8qoQakbn7OcQ@public.gmane.org
Subject: [PATCH 08/14] block: add helper macros for queue sysfs entries
Date: Sun, 26 Jul 2020 17:03:27 +0200 [thread overview]
Message-ID: <20200726150333.305527-9-hch@lst.de> (raw)
In-Reply-To: <20200726150333.305527-1-hch-jcswGhMUV9g@public.gmane.org>
Add two helpers macros to avoid boilerplate code for the queue sysfs
entries.
Signed-off-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn-Sjgp3cTcYWE@public.gmane.org>
---
block/blk-sysfs.c | 248 +++++++++++-----------------------------------
1 file changed, 58 insertions(+), 190 deletions(-)
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index cfbb039da8751f..9bb4e42fb73265 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -551,201 +551,69 @@ static ssize_t queue_dax_show(struct request_queue *q, char *page)
return queue_var_show(blk_queue_dax(q), page);
}
-static struct queue_sysfs_entry queue_requests_entry = {
- .attr = {.name = "nr_requests", .mode = 0644 },
- .show = queue_requests_show,
- .store = queue_requests_store,
-};
-
-static struct queue_sysfs_entry queue_ra_entry = {
- .attr = {.name = "read_ahead_kb", .mode = 0644 },
- .show = queue_ra_show,
- .store = queue_ra_store,
-};
-
-static struct queue_sysfs_entry queue_max_sectors_entry = {
- .attr = {.name = "max_sectors_kb", .mode = 0644 },
- .show = queue_max_sectors_show,
- .store = queue_max_sectors_store,
-};
+#define QUEUE_RO_ENTRY(_prefix, _name) \
+static struct queue_sysfs_entry _prefix##_entry = { \
+ .attr = { .name = _name, .mode = 0444 }, \
+ .show = _prefix##_show, \
+};
+
+#define QUEUE_RW_ENTRY(_prefix, _name) \
+static struct queue_sysfs_entry _prefix##_entry = { \
+ .attr = { .name = _name, .mode = 0644 }, \
+ .show = _prefix##_show, \
+ .store = _prefix##_store, \
+};
+
+QUEUE_RW_ENTRY(queue_requests, "nr_requests");
+QUEUE_RW_ENTRY(queue_ra, "read_ahead_kb");
+QUEUE_RW_ENTRY(queue_max_sectors, "max_sectors_kb");
+QUEUE_RO_ENTRY(queue_max_hw_sectors, "max_hw_sectors_kb");
+QUEUE_RO_ENTRY(queue_max_segments, "max_segments");
+QUEUE_RO_ENTRY(queue_max_integrity_segments, "max_integrity_segments");
+QUEUE_RO_ENTRY(queue_max_segment_size, "max_segment_size");
+QUEUE_RW_ENTRY(elv_iosched, "scheduler");
+
+QUEUE_RO_ENTRY(queue_logical_block_size, "logical_block_size");
+QUEUE_RO_ENTRY(queue_physical_block_size, "physical_block_size");
+QUEUE_RO_ENTRY(queue_chunk_sectors, "chunk_sectors");
+QUEUE_RO_ENTRY(queue_io_min, "minimum_io_size");
+QUEUE_RO_ENTRY(queue_io_opt, "optimal_io_size");
+
+QUEUE_RO_ENTRY(queue_max_discard_segments, "max_discard_segments");
+QUEUE_RO_ENTRY(queue_discard_granularity, "discard_granularity");
+QUEUE_RO_ENTRY(queue_discard_max_hw, "discard_max_hw_bytes");
+QUEUE_RW_ENTRY(queue_discard_max, "discard_max_bytes");
+QUEUE_RO_ENTRY(queue_discard_zeroes_data, "discard_zeroes_data");
+
+QUEUE_RO_ENTRY(queue_write_same_max, "write_same_max_bytes");
+QUEUE_RO_ENTRY(queue_write_zeroes_max, "write_zeroes_max_bytes");
+QUEUE_RO_ENTRY(queue_zone_append_max, "zone_append_max_bytes");
+
+QUEUE_RO_ENTRY(queue_zoned, "zoned");
+QUEUE_RO_ENTRY(queue_nr_zones, "nr_zones");
+QUEUE_RO_ENTRY(queue_max_open_zones, "max_open_zones");
+QUEUE_RO_ENTRY(queue_max_active_zones, "max_active_zones");
+
+QUEUE_RW_ENTRY(queue_nomerges, "nomerges");
+QUEUE_RW_ENTRY(queue_rq_affinity, "rq_affinity");
+QUEUE_RW_ENTRY(queue_poll, "io_poll");
+QUEUE_RW_ENTRY(queue_poll_delay, "io_poll_delay");
+QUEUE_RW_ENTRY(queue_wc, "write_cache");
+QUEUE_RO_ENTRY(queue_fua, "fua");
+QUEUE_RO_ENTRY(queue_dax, "dax");
+QUEUE_RW_ENTRY(queue_io_timeout, "io_timeout");
+QUEUE_RW_ENTRY(queue_wb_lat, "wbt_lat_usec");
-static struct queue_sysfs_entry queue_max_hw_sectors_entry = {
- .attr = {.name = "max_hw_sectors_kb", .mode = 0444 },
- .show = queue_max_hw_sectors_show,
-};
-
-static struct queue_sysfs_entry queue_max_segments_entry = {
- .attr = {.name = "max_segments", .mode = 0444 },
- .show = queue_max_segments_show,
-};
-
-static struct queue_sysfs_entry queue_max_discard_segments_entry = {
- .attr = {.name = "max_discard_segments", .mode = 0444 },
- .show = queue_max_discard_segments_show,
-};
-
-static struct queue_sysfs_entry queue_max_integrity_segments_entry = {
- .attr = {.name = "max_integrity_segments", .mode = 0444 },
- .show = queue_max_integrity_segments_show,
-};
-
-static struct queue_sysfs_entry queue_max_segment_size_entry = {
- .attr = {.name = "max_segment_size", .mode = 0444 },
- .show = queue_max_segment_size_show,
-};
-
-static struct queue_sysfs_entry queue_iosched_entry = {
- .attr = {.name = "scheduler", .mode = 0644 },
- .show = elv_iosched_show,
- .store = elv_iosched_store,
-};
+#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
+QUEUE_RW_ENTRY(blk_throtl_sample, "throttle_sample_time");
+#endif
+/* legacy alias for logical_block_size: */
static struct queue_sysfs_entry queue_hw_sector_size_entry = {
.attr = {.name = "hw_sector_size", .mode = 0444 },
.show = queue_logical_block_size_show,
};
-static struct queue_sysfs_entry queue_logical_block_size_entry = {
- .attr = {.name = "logical_block_size", .mode = 0444 },
- .show = queue_logical_block_size_show,
-};
-
-static struct queue_sysfs_entry queue_physical_block_size_entry = {
- .attr = {.name = "physical_block_size", .mode = 0444 },
- .show = queue_physical_block_size_show,
-};
-
-static struct queue_sysfs_entry queue_chunk_sectors_entry = {
- .attr = {.name = "chunk_sectors", .mode = 0444 },
- .show = queue_chunk_sectors_show,
-};
-
-static struct queue_sysfs_entry queue_io_min_entry = {
- .attr = {.name = "minimum_io_size", .mode = 0444 },
- .show = queue_io_min_show,
-};
-
-static struct queue_sysfs_entry queue_io_opt_entry = {
- .attr = {.name = "optimal_io_size", .mode = 0444 },
- .show = queue_io_opt_show,
-};
-
-static struct queue_sysfs_entry queue_discard_granularity_entry = {
- .attr = {.name = "discard_granularity", .mode = 0444 },
- .show = queue_discard_granularity_show,
-};
-
-static struct queue_sysfs_entry queue_discard_max_hw_entry = {
- .attr = {.name = "discard_max_hw_bytes", .mode = 0444 },
- .show = queue_discard_max_hw_show,
-};
-
-static struct queue_sysfs_entry queue_discard_max_entry = {
- .attr = {.name = "discard_max_bytes", .mode = 0644 },
- .show = queue_discard_max_show,
- .store = queue_discard_max_store,
-};
-
-static struct queue_sysfs_entry queue_discard_zeroes_data_entry = {
- .attr = {.name = "discard_zeroes_data", .mode = 0444 },
- .show = queue_discard_zeroes_data_show,
-};
-
-static struct queue_sysfs_entry queue_write_same_max_entry = {
- .attr = {.name = "write_same_max_bytes", .mode = 0444 },
- .show = queue_write_same_max_show,
-};
-
-static struct queue_sysfs_entry queue_write_zeroes_max_entry = {
- .attr = {.name = "write_zeroes_max_bytes", .mode = 0444 },
- .show = queue_write_zeroes_max_show,
-};
-
-static struct queue_sysfs_entry queue_zone_append_max_entry = {
- .attr = {.name = "zone_append_max_bytes", .mode = 0444 },
- .show = queue_zone_append_max_show,
-};
-
-static struct queue_sysfs_entry queue_zoned_entry = {
- .attr = {.name = "zoned", .mode = 0444 },
- .show = queue_zoned_show,
-};
-
-static struct queue_sysfs_entry queue_nr_zones_entry = {
- .attr = {.name = "nr_zones", .mode = 0444 },
- .show = queue_nr_zones_show,
-};
-
-static struct queue_sysfs_entry queue_max_open_zones_entry = {
- .attr = {.name = "max_open_zones", .mode = 0444 },
- .show = queue_max_open_zones_show,
-};
-
-static struct queue_sysfs_entry queue_max_active_zones_entry = {
- .attr = {.name = "max_active_zones", .mode = 0444 },
- .show = queue_max_active_zones_show,
-};
-
-static struct queue_sysfs_entry queue_nomerges_entry = {
- .attr = {.name = "nomerges", .mode = 0644 },
- .show = queue_nomerges_show,
- .store = queue_nomerges_store,
-};
-
-static struct queue_sysfs_entry queue_rq_affinity_entry = {
- .attr = {.name = "rq_affinity", .mode = 0644 },
- .show = queue_rq_affinity_show,
- .store = queue_rq_affinity_store,
-};
-
-static struct queue_sysfs_entry queue_poll_entry = {
- .attr = {.name = "io_poll", .mode = 0644 },
- .show = queue_poll_show,
- .store = queue_poll_store,
-};
-
-static struct queue_sysfs_entry queue_poll_delay_entry = {
- .attr = {.name = "io_poll_delay", .mode = 0644 },
- .show = queue_poll_delay_show,
- .store = queue_poll_delay_store,
-};
-
-static struct queue_sysfs_entry queue_wc_entry = {
- .attr = {.name = "write_cache", .mode = 0644 },
- .show = queue_wc_show,
- .store = queue_wc_store,
-};
-
-static struct queue_sysfs_entry queue_fua_entry = {
- .attr = {.name = "fua", .mode = 0444 },
- .show = queue_fua_show,
-};
-
-static struct queue_sysfs_entry queue_dax_entry = {
- .attr = {.name = "dax", .mode = 0444 },
- .show = queue_dax_show,
-};
-
-static struct queue_sysfs_entry queue_io_timeout_entry = {
- .attr = {.name = "io_timeout", .mode = 0644 },
- .show = queue_io_timeout_show,
- .store = queue_io_timeout_store,
-};
-
-static struct queue_sysfs_entry queue_wb_lat_entry = {
- .attr = {.name = "wbt_lat_usec", .mode = 0644 },
- .show = queue_wb_lat_show,
- .store = queue_wb_lat_store,
-};
-
-#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
-static struct queue_sysfs_entry throtl_sample_time_entry = {
- .attr = {.name = "throttle_sample_time", .mode = 0644 },
- .show = blk_throtl_sample_time_show,
- .store = blk_throtl_sample_time_store,
-};
-#endif
-
static struct attribute *queue_attrs[] = {
&queue_requests_entry.attr,
&queue_ra_entry.attr,
@@ -755,7 +623,7 @@ static struct attribute *queue_attrs[] = {
&queue_max_discard_segments_entry.attr,
&queue_max_integrity_segments_entry.attr,
&queue_max_segment_size_entry.attr,
- &queue_iosched_entry.attr,
+ &elv_iosched_entry.attr,
&queue_hw_sector_size_entry.attr,
&queue_logical_block_size_entry.attr,
&queue_physical_block_size_entry.attr,
@@ -786,7 +654,7 @@ static struct attribute *queue_attrs[] = {
&queue_poll_delay_entry.attr,
&queue_io_timeout_entry.attr,
#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
- &throtl_sample_time_entry.attr,
+ &blk_throtl_sample_time_entry.attr,
#endif
NULL,
};
--
2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Song Liu <song@kernel.org>, Hans de Goede <hdegoede@redhat.com>,
Richard Weinberger <richard@nod.at>,
Minchan Kim <minchan@kernel.org>,
linux-mtd@lists.infradead.org, dm-devel@redhat.com,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
drbd-dev@lists.linbit.com, linux-raid@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
cgroups@vger.kernel.org,
Johannes Thumshirn <johannes.thumshirn@wdc.com>
Subject: [PATCH 08/14] block: add helper macros for queue sysfs entries
Date: Sun, 26 Jul 2020 17:03:27 +0200 [thread overview]
Message-ID: <20200726150333.305527-9-hch@lst.de> (raw)
In-Reply-To: <20200726150333.305527-1-hch@lst.de>
Add two helpers macros to avoid boilerplate code for the queue sysfs
entries.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
block/blk-sysfs.c | 248 +++++++++++-----------------------------------
1 file changed, 58 insertions(+), 190 deletions(-)
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index cfbb039da8751f..9bb4e42fb73265 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -551,201 +551,69 @@ static ssize_t queue_dax_show(struct request_queue *q, char *page)
return queue_var_show(blk_queue_dax(q), page);
}
-static struct queue_sysfs_entry queue_requests_entry = {
- .attr = {.name = "nr_requests", .mode = 0644 },
- .show = queue_requests_show,
- .store = queue_requests_store,
-};
-
-static struct queue_sysfs_entry queue_ra_entry = {
- .attr = {.name = "read_ahead_kb", .mode = 0644 },
- .show = queue_ra_show,
- .store = queue_ra_store,
-};
-
-static struct queue_sysfs_entry queue_max_sectors_entry = {
- .attr = {.name = "max_sectors_kb", .mode = 0644 },
- .show = queue_max_sectors_show,
- .store = queue_max_sectors_store,
-};
+#define QUEUE_RO_ENTRY(_prefix, _name) \
+static struct queue_sysfs_entry _prefix##_entry = { \
+ .attr = { .name = _name, .mode = 0444 }, \
+ .show = _prefix##_show, \
+};
+
+#define QUEUE_RW_ENTRY(_prefix, _name) \
+static struct queue_sysfs_entry _prefix##_entry = { \
+ .attr = { .name = _name, .mode = 0644 }, \
+ .show = _prefix##_show, \
+ .store = _prefix##_store, \
+};
+
+QUEUE_RW_ENTRY(queue_requests, "nr_requests");
+QUEUE_RW_ENTRY(queue_ra, "read_ahead_kb");
+QUEUE_RW_ENTRY(queue_max_sectors, "max_sectors_kb");
+QUEUE_RO_ENTRY(queue_max_hw_sectors, "max_hw_sectors_kb");
+QUEUE_RO_ENTRY(queue_max_segments, "max_segments");
+QUEUE_RO_ENTRY(queue_max_integrity_segments, "max_integrity_segments");
+QUEUE_RO_ENTRY(queue_max_segment_size, "max_segment_size");
+QUEUE_RW_ENTRY(elv_iosched, "scheduler");
+
+QUEUE_RO_ENTRY(queue_logical_block_size, "logical_block_size");
+QUEUE_RO_ENTRY(queue_physical_block_size, "physical_block_size");
+QUEUE_RO_ENTRY(queue_chunk_sectors, "chunk_sectors");
+QUEUE_RO_ENTRY(queue_io_min, "minimum_io_size");
+QUEUE_RO_ENTRY(queue_io_opt, "optimal_io_size");
+
+QUEUE_RO_ENTRY(queue_max_discard_segments, "max_discard_segments");
+QUEUE_RO_ENTRY(queue_discard_granularity, "discard_granularity");
+QUEUE_RO_ENTRY(queue_discard_max_hw, "discard_max_hw_bytes");
+QUEUE_RW_ENTRY(queue_discard_max, "discard_max_bytes");
+QUEUE_RO_ENTRY(queue_discard_zeroes_data, "discard_zeroes_data");
+
+QUEUE_RO_ENTRY(queue_write_same_max, "write_same_max_bytes");
+QUEUE_RO_ENTRY(queue_write_zeroes_max, "write_zeroes_max_bytes");
+QUEUE_RO_ENTRY(queue_zone_append_max, "zone_append_max_bytes");
+
+QUEUE_RO_ENTRY(queue_zoned, "zoned");
+QUEUE_RO_ENTRY(queue_nr_zones, "nr_zones");
+QUEUE_RO_ENTRY(queue_max_open_zones, "max_open_zones");
+QUEUE_RO_ENTRY(queue_max_active_zones, "max_active_zones");
+
+QUEUE_RW_ENTRY(queue_nomerges, "nomerges");
+QUEUE_RW_ENTRY(queue_rq_affinity, "rq_affinity");
+QUEUE_RW_ENTRY(queue_poll, "io_poll");
+QUEUE_RW_ENTRY(queue_poll_delay, "io_poll_delay");
+QUEUE_RW_ENTRY(queue_wc, "write_cache");
+QUEUE_RO_ENTRY(queue_fua, "fua");
+QUEUE_RO_ENTRY(queue_dax, "dax");
+QUEUE_RW_ENTRY(queue_io_timeout, "io_timeout");
+QUEUE_RW_ENTRY(queue_wb_lat, "wbt_lat_usec");
-static struct queue_sysfs_entry queue_max_hw_sectors_entry = {
- .attr = {.name = "max_hw_sectors_kb", .mode = 0444 },
- .show = queue_max_hw_sectors_show,
-};
-
-static struct queue_sysfs_entry queue_max_segments_entry = {
- .attr = {.name = "max_segments", .mode = 0444 },
- .show = queue_max_segments_show,
-};
-
-static struct queue_sysfs_entry queue_max_discard_segments_entry = {
- .attr = {.name = "max_discard_segments", .mode = 0444 },
- .show = queue_max_discard_segments_show,
-};
-
-static struct queue_sysfs_entry queue_max_integrity_segments_entry = {
- .attr = {.name = "max_integrity_segments", .mode = 0444 },
- .show = queue_max_integrity_segments_show,
-};
-
-static struct queue_sysfs_entry queue_max_segment_size_entry = {
- .attr = {.name = "max_segment_size", .mode = 0444 },
- .show = queue_max_segment_size_show,
-};
-
-static struct queue_sysfs_entry queue_iosched_entry = {
- .attr = {.name = "scheduler", .mode = 0644 },
- .show = elv_iosched_show,
- .store = elv_iosched_store,
-};
+#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
+QUEUE_RW_ENTRY(blk_throtl_sample, "throttle_sample_time");
+#endif
+/* legacy alias for logical_block_size: */
static struct queue_sysfs_entry queue_hw_sector_size_entry = {
.attr = {.name = "hw_sector_size", .mode = 0444 },
.show = queue_logical_block_size_show,
};
-static struct queue_sysfs_entry queue_logical_block_size_entry = {
- .attr = {.name = "logical_block_size", .mode = 0444 },
- .show = queue_logical_block_size_show,
-};
-
-static struct queue_sysfs_entry queue_physical_block_size_entry = {
- .attr = {.name = "physical_block_size", .mode = 0444 },
- .show = queue_physical_block_size_show,
-};
-
-static struct queue_sysfs_entry queue_chunk_sectors_entry = {
- .attr = {.name = "chunk_sectors", .mode = 0444 },
- .show = queue_chunk_sectors_show,
-};
-
-static struct queue_sysfs_entry queue_io_min_entry = {
- .attr = {.name = "minimum_io_size", .mode = 0444 },
- .show = queue_io_min_show,
-};
-
-static struct queue_sysfs_entry queue_io_opt_entry = {
- .attr = {.name = "optimal_io_size", .mode = 0444 },
- .show = queue_io_opt_show,
-};
-
-static struct queue_sysfs_entry queue_discard_granularity_entry = {
- .attr = {.name = "discard_granularity", .mode = 0444 },
- .show = queue_discard_granularity_show,
-};
-
-static struct queue_sysfs_entry queue_discard_max_hw_entry = {
- .attr = {.name = "discard_max_hw_bytes", .mode = 0444 },
- .show = queue_discard_max_hw_show,
-};
-
-static struct queue_sysfs_entry queue_discard_max_entry = {
- .attr = {.name = "discard_max_bytes", .mode = 0644 },
- .show = queue_discard_max_show,
- .store = queue_discard_max_store,
-};
-
-static struct queue_sysfs_entry queue_discard_zeroes_data_entry = {
- .attr = {.name = "discard_zeroes_data", .mode = 0444 },
- .show = queue_discard_zeroes_data_show,
-};
-
-static struct queue_sysfs_entry queue_write_same_max_entry = {
- .attr = {.name = "write_same_max_bytes", .mode = 0444 },
- .show = queue_write_same_max_show,
-};
-
-static struct queue_sysfs_entry queue_write_zeroes_max_entry = {
- .attr = {.name = "write_zeroes_max_bytes", .mode = 0444 },
- .show = queue_write_zeroes_max_show,
-};
-
-static struct queue_sysfs_entry queue_zone_append_max_entry = {
- .attr = {.name = "zone_append_max_bytes", .mode = 0444 },
- .show = queue_zone_append_max_show,
-};
-
-static struct queue_sysfs_entry queue_zoned_entry = {
- .attr = {.name = "zoned", .mode = 0444 },
- .show = queue_zoned_show,
-};
-
-static struct queue_sysfs_entry queue_nr_zones_entry = {
- .attr = {.name = "nr_zones", .mode = 0444 },
- .show = queue_nr_zones_show,
-};
-
-static struct queue_sysfs_entry queue_max_open_zones_entry = {
- .attr = {.name = "max_open_zones", .mode = 0444 },
- .show = queue_max_open_zones_show,
-};
-
-static struct queue_sysfs_entry queue_max_active_zones_entry = {
- .attr = {.name = "max_active_zones", .mode = 0444 },
- .show = queue_max_active_zones_show,
-};
-
-static struct queue_sysfs_entry queue_nomerges_entry = {
- .attr = {.name = "nomerges", .mode = 0644 },
- .show = queue_nomerges_show,
- .store = queue_nomerges_store,
-};
-
-static struct queue_sysfs_entry queue_rq_affinity_entry = {
- .attr = {.name = "rq_affinity", .mode = 0644 },
- .show = queue_rq_affinity_show,
- .store = queue_rq_affinity_store,
-};
-
-static struct queue_sysfs_entry queue_poll_entry = {
- .attr = {.name = "io_poll", .mode = 0644 },
- .show = queue_poll_show,
- .store = queue_poll_store,
-};
-
-static struct queue_sysfs_entry queue_poll_delay_entry = {
- .attr = {.name = "io_poll_delay", .mode = 0644 },
- .show = queue_poll_delay_show,
- .store = queue_poll_delay_store,
-};
-
-static struct queue_sysfs_entry queue_wc_entry = {
- .attr = {.name = "write_cache", .mode = 0644 },
- .show = queue_wc_show,
- .store = queue_wc_store,
-};
-
-static struct queue_sysfs_entry queue_fua_entry = {
- .attr = {.name = "fua", .mode = 0444 },
- .show = queue_fua_show,
-};
-
-static struct queue_sysfs_entry queue_dax_entry = {
- .attr = {.name = "dax", .mode = 0444 },
- .show = queue_dax_show,
-};
-
-static struct queue_sysfs_entry queue_io_timeout_entry = {
- .attr = {.name = "io_timeout", .mode = 0644 },
- .show = queue_io_timeout_show,
- .store = queue_io_timeout_store,
-};
-
-static struct queue_sysfs_entry queue_wb_lat_entry = {
- .attr = {.name = "wbt_lat_usec", .mode = 0644 },
- .show = queue_wb_lat_show,
- .store = queue_wb_lat_store,
-};
-
-#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
-static struct queue_sysfs_entry throtl_sample_time_entry = {
- .attr = {.name = "throttle_sample_time", .mode = 0644 },
- .show = blk_throtl_sample_time_show,
- .store = blk_throtl_sample_time_store,
-};
-#endif
-
static struct attribute *queue_attrs[] = {
&queue_requests_entry.attr,
&queue_ra_entry.attr,
@@ -755,7 +623,7 @@ static struct attribute *queue_attrs[] = {
&queue_max_discard_segments_entry.attr,
&queue_max_integrity_segments_entry.attr,
&queue_max_segment_size_entry.attr,
- &queue_iosched_entry.attr,
+ &elv_iosched_entry.attr,
&queue_hw_sector_size_entry.attr,
&queue_logical_block_size_entry.attr,
&queue_physical_block_size_entry.attr,
@@ -786,7 +654,7 @@ static struct attribute *queue_attrs[] = {
&queue_poll_delay_entry.attr,
&queue_io_timeout_entry.attr,
#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
- &throtl_sample_time_entry.attr,
+ &blk_throtl_sample_time_entry.attr,
#endif
NULL,
};
--
2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-raid@vger.kernel.org, Hans de Goede <hdegoede@redhat.com>,
Minchan Kim <minchan@kernel.org>,
Richard Weinberger <richard@nod.at>,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
Song Liu <song@kernel.org>,
dm-devel@redhat.com, linux-mtd@lists.infradead.org,
Johannes Thumshirn <johannes.thumshirn@wdc.com>,
linux-fsdevel@vger.kernel.org, cgroups@vger.kernel.org,
linux-mm@kvack.org, drbd-dev@lists.linbit.com
Subject: [PATCH 08/14] block: add helper macros for queue sysfs entries
Date: Sun, 26 Jul 2020 17:03:27 +0200 [thread overview]
Message-ID: <20200726150333.305527-9-hch@lst.de> (raw)
In-Reply-To: <20200726150333.305527-1-hch@lst.de>
Add two helpers macros to avoid boilerplate code for the queue sysfs
entries.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
block/blk-sysfs.c | 248 +++++++++++-----------------------------------
1 file changed, 58 insertions(+), 190 deletions(-)
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index cfbb039da8751f..9bb4e42fb73265 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -551,201 +551,69 @@ static ssize_t queue_dax_show(struct request_queue *q, char *page)
return queue_var_show(blk_queue_dax(q), page);
}
-static struct queue_sysfs_entry queue_requests_entry = {
- .attr = {.name = "nr_requests", .mode = 0644 },
- .show = queue_requests_show,
- .store = queue_requests_store,
-};
-
-static struct queue_sysfs_entry queue_ra_entry = {
- .attr = {.name = "read_ahead_kb", .mode = 0644 },
- .show = queue_ra_show,
- .store = queue_ra_store,
-};
-
-static struct queue_sysfs_entry queue_max_sectors_entry = {
- .attr = {.name = "max_sectors_kb", .mode = 0644 },
- .show = queue_max_sectors_show,
- .store = queue_max_sectors_store,
-};
+#define QUEUE_RO_ENTRY(_prefix, _name) \
+static struct queue_sysfs_entry _prefix##_entry = { \
+ .attr = { .name = _name, .mode = 0444 }, \
+ .show = _prefix##_show, \
+};
+
+#define QUEUE_RW_ENTRY(_prefix, _name) \
+static struct queue_sysfs_entry _prefix##_entry = { \
+ .attr = { .name = _name, .mode = 0644 }, \
+ .show = _prefix##_show, \
+ .store = _prefix##_store, \
+};
+
+QUEUE_RW_ENTRY(queue_requests, "nr_requests");
+QUEUE_RW_ENTRY(queue_ra, "read_ahead_kb");
+QUEUE_RW_ENTRY(queue_max_sectors, "max_sectors_kb");
+QUEUE_RO_ENTRY(queue_max_hw_sectors, "max_hw_sectors_kb");
+QUEUE_RO_ENTRY(queue_max_segments, "max_segments");
+QUEUE_RO_ENTRY(queue_max_integrity_segments, "max_integrity_segments");
+QUEUE_RO_ENTRY(queue_max_segment_size, "max_segment_size");
+QUEUE_RW_ENTRY(elv_iosched, "scheduler");
+
+QUEUE_RO_ENTRY(queue_logical_block_size, "logical_block_size");
+QUEUE_RO_ENTRY(queue_physical_block_size, "physical_block_size");
+QUEUE_RO_ENTRY(queue_chunk_sectors, "chunk_sectors");
+QUEUE_RO_ENTRY(queue_io_min, "minimum_io_size");
+QUEUE_RO_ENTRY(queue_io_opt, "optimal_io_size");
+
+QUEUE_RO_ENTRY(queue_max_discard_segments, "max_discard_segments");
+QUEUE_RO_ENTRY(queue_discard_granularity, "discard_granularity");
+QUEUE_RO_ENTRY(queue_discard_max_hw, "discard_max_hw_bytes");
+QUEUE_RW_ENTRY(queue_discard_max, "discard_max_bytes");
+QUEUE_RO_ENTRY(queue_discard_zeroes_data, "discard_zeroes_data");
+
+QUEUE_RO_ENTRY(queue_write_same_max, "write_same_max_bytes");
+QUEUE_RO_ENTRY(queue_write_zeroes_max, "write_zeroes_max_bytes");
+QUEUE_RO_ENTRY(queue_zone_append_max, "zone_append_max_bytes");
+
+QUEUE_RO_ENTRY(queue_zoned, "zoned");
+QUEUE_RO_ENTRY(queue_nr_zones, "nr_zones");
+QUEUE_RO_ENTRY(queue_max_open_zones, "max_open_zones");
+QUEUE_RO_ENTRY(queue_max_active_zones, "max_active_zones");
+
+QUEUE_RW_ENTRY(queue_nomerges, "nomerges");
+QUEUE_RW_ENTRY(queue_rq_affinity, "rq_affinity");
+QUEUE_RW_ENTRY(queue_poll, "io_poll");
+QUEUE_RW_ENTRY(queue_poll_delay, "io_poll_delay");
+QUEUE_RW_ENTRY(queue_wc, "write_cache");
+QUEUE_RO_ENTRY(queue_fua, "fua");
+QUEUE_RO_ENTRY(queue_dax, "dax");
+QUEUE_RW_ENTRY(queue_io_timeout, "io_timeout");
+QUEUE_RW_ENTRY(queue_wb_lat, "wbt_lat_usec");
-static struct queue_sysfs_entry queue_max_hw_sectors_entry = {
- .attr = {.name = "max_hw_sectors_kb", .mode = 0444 },
- .show = queue_max_hw_sectors_show,
-};
-
-static struct queue_sysfs_entry queue_max_segments_entry = {
- .attr = {.name = "max_segments", .mode = 0444 },
- .show = queue_max_segments_show,
-};
-
-static struct queue_sysfs_entry queue_max_discard_segments_entry = {
- .attr = {.name = "max_discard_segments", .mode = 0444 },
- .show = queue_max_discard_segments_show,
-};
-
-static struct queue_sysfs_entry queue_max_integrity_segments_entry = {
- .attr = {.name = "max_integrity_segments", .mode = 0444 },
- .show = queue_max_integrity_segments_show,
-};
-
-static struct queue_sysfs_entry queue_max_segment_size_entry = {
- .attr = {.name = "max_segment_size", .mode = 0444 },
- .show = queue_max_segment_size_show,
-};
-
-static struct queue_sysfs_entry queue_iosched_entry = {
- .attr = {.name = "scheduler", .mode = 0644 },
- .show = elv_iosched_show,
- .store = elv_iosched_store,
-};
+#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
+QUEUE_RW_ENTRY(blk_throtl_sample, "throttle_sample_time");
+#endif
+/* legacy alias for logical_block_size: */
static struct queue_sysfs_entry queue_hw_sector_size_entry = {
.attr = {.name = "hw_sector_size", .mode = 0444 },
.show = queue_logical_block_size_show,
};
-static struct queue_sysfs_entry queue_logical_block_size_entry = {
- .attr = {.name = "logical_block_size", .mode = 0444 },
- .show = queue_logical_block_size_show,
-};
-
-static struct queue_sysfs_entry queue_physical_block_size_entry = {
- .attr = {.name = "physical_block_size", .mode = 0444 },
- .show = queue_physical_block_size_show,
-};
-
-static struct queue_sysfs_entry queue_chunk_sectors_entry = {
- .attr = {.name = "chunk_sectors", .mode = 0444 },
- .show = queue_chunk_sectors_show,
-};
-
-static struct queue_sysfs_entry queue_io_min_entry = {
- .attr = {.name = "minimum_io_size", .mode = 0444 },
- .show = queue_io_min_show,
-};
-
-static struct queue_sysfs_entry queue_io_opt_entry = {
- .attr = {.name = "optimal_io_size", .mode = 0444 },
- .show = queue_io_opt_show,
-};
-
-static struct queue_sysfs_entry queue_discard_granularity_entry = {
- .attr = {.name = "discard_granularity", .mode = 0444 },
- .show = queue_discard_granularity_show,
-};
-
-static struct queue_sysfs_entry queue_discard_max_hw_entry = {
- .attr = {.name = "discard_max_hw_bytes", .mode = 0444 },
- .show = queue_discard_max_hw_show,
-};
-
-static struct queue_sysfs_entry queue_discard_max_entry = {
- .attr = {.name = "discard_max_bytes", .mode = 0644 },
- .show = queue_discard_max_show,
- .store = queue_discard_max_store,
-};
-
-static struct queue_sysfs_entry queue_discard_zeroes_data_entry = {
- .attr = {.name = "discard_zeroes_data", .mode = 0444 },
- .show = queue_discard_zeroes_data_show,
-};
-
-static struct queue_sysfs_entry queue_write_same_max_entry = {
- .attr = {.name = "write_same_max_bytes", .mode = 0444 },
- .show = queue_write_same_max_show,
-};
-
-static struct queue_sysfs_entry queue_write_zeroes_max_entry = {
- .attr = {.name = "write_zeroes_max_bytes", .mode = 0444 },
- .show = queue_write_zeroes_max_show,
-};
-
-static struct queue_sysfs_entry queue_zone_append_max_entry = {
- .attr = {.name = "zone_append_max_bytes", .mode = 0444 },
- .show = queue_zone_append_max_show,
-};
-
-static struct queue_sysfs_entry queue_zoned_entry = {
- .attr = {.name = "zoned", .mode = 0444 },
- .show = queue_zoned_show,
-};
-
-static struct queue_sysfs_entry queue_nr_zones_entry = {
- .attr = {.name = "nr_zones", .mode = 0444 },
- .show = queue_nr_zones_show,
-};
-
-static struct queue_sysfs_entry queue_max_open_zones_entry = {
- .attr = {.name = "max_open_zones", .mode = 0444 },
- .show = queue_max_open_zones_show,
-};
-
-static struct queue_sysfs_entry queue_max_active_zones_entry = {
- .attr = {.name = "max_active_zones", .mode = 0444 },
- .show = queue_max_active_zones_show,
-};
-
-static struct queue_sysfs_entry queue_nomerges_entry = {
- .attr = {.name = "nomerges", .mode = 0644 },
- .show = queue_nomerges_show,
- .store = queue_nomerges_store,
-};
-
-static struct queue_sysfs_entry queue_rq_affinity_entry = {
- .attr = {.name = "rq_affinity", .mode = 0644 },
- .show = queue_rq_affinity_show,
- .store = queue_rq_affinity_store,
-};
-
-static struct queue_sysfs_entry queue_poll_entry = {
- .attr = {.name = "io_poll", .mode = 0644 },
- .show = queue_poll_show,
- .store = queue_poll_store,
-};
-
-static struct queue_sysfs_entry queue_poll_delay_entry = {
- .attr = {.name = "io_poll_delay", .mode = 0644 },
- .show = queue_poll_delay_show,
- .store = queue_poll_delay_store,
-};
-
-static struct queue_sysfs_entry queue_wc_entry = {
- .attr = {.name = "write_cache", .mode = 0644 },
- .show = queue_wc_show,
- .store = queue_wc_store,
-};
-
-static struct queue_sysfs_entry queue_fua_entry = {
- .attr = {.name = "fua", .mode = 0444 },
- .show = queue_fua_show,
-};
-
-static struct queue_sysfs_entry queue_dax_entry = {
- .attr = {.name = "dax", .mode = 0444 },
- .show = queue_dax_show,
-};
-
-static struct queue_sysfs_entry queue_io_timeout_entry = {
- .attr = {.name = "io_timeout", .mode = 0644 },
- .show = queue_io_timeout_show,
- .store = queue_io_timeout_store,
-};
-
-static struct queue_sysfs_entry queue_wb_lat_entry = {
- .attr = {.name = "wbt_lat_usec", .mode = 0644 },
- .show = queue_wb_lat_show,
- .store = queue_wb_lat_store,
-};
-
-#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
-static struct queue_sysfs_entry throtl_sample_time_entry = {
- .attr = {.name = "throttle_sample_time", .mode = 0644 },
- .show = blk_throtl_sample_time_show,
- .store = blk_throtl_sample_time_store,
-};
-#endif
-
static struct attribute *queue_attrs[] = {
&queue_requests_entry.attr,
&queue_ra_entry.attr,
@@ -755,7 +623,7 @@ static struct attribute *queue_attrs[] = {
&queue_max_discard_segments_entry.attr,
&queue_max_integrity_segments_entry.attr,
&queue_max_segment_size_entry.attr,
- &queue_iosched_entry.attr,
+ &elv_iosched_entry.attr,
&queue_hw_sector_size_entry.attr,
&queue_logical_block_size_entry.attr,
&queue_physical_block_size_entry.attr,
@@ -786,7 +654,7 @@ static struct attribute *queue_attrs[] = {
&queue_poll_delay_entry.attr,
&queue_io_timeout_entry.attr,
#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
- &throtl_sample_time_entry.attr,
+ &blk_throtl_sample_time_entry.attr,
#endif
NULL,
};
--
2.27.0
______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2020-07-26 15:03 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-26 15:03 bdi cleanups v3 Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 03/14] drbd: remove RB_CONGESTED_REMOTE Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
[not found] ` <20200726150333.305527-1-hch-jcswGhMUV9g@public.gmane.org>
2020-07-26 15:03 ` [PATCH 02/14] drbd: remove dead code in device_to_statistics Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 04/14] bdi: initialize ->ra_pages in bdi_init Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 05/14] md: update the optimal I/O size on reshape Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 06/14] block: lift setting the readahead size into the block layer Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-08-26 22:07 ` Mike Snitzer
2020-08-26 22:07 ` Mike Snitzer
2020-09-02 15:11 ` Christoph Hellwig
2020-09-02 15:11 ` Christoph Hellwig
2020-09-02 15:11 ` Christoph Hellwig
2020-09-02 16:20 ` Mike Snitzer
2020-09-02 16:20 ` Mike Snitzer
2020-09-10 9:28 ` Christoph Hellwig
2020-09-10 9:28 ` Christoph Hellwig
2020-09-10 9:28 ` Christoph Hellwig
2020-09-10 17:15 ` Mike Snitzer
2020-09-10 17:15 ` Mike Snitzer
2020-09-15 7:05 ` Christoph Hellwig
2020-09-15 7:05 ` Christoph Hellwig
2020-09-15 7:05 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 07/14] block: make QUEUE_SYSFS_BIT_FNS a little more useful Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-29 8:57 ` [block] 54529aac98: fsmark.files_per_sec -13.6% regression kernel test robot
2020-07-29 8:57 ` kernel test robot
2020-07-30 2:14 ` [block] 54529aac98: blktests.block.005.fail kernel test robot
2020-07-30 2:14 ` kernel test robot
2020-07-26 15:03 ` Christoph Hellwig [this message]
2020-07-26 15:03 ` [PATCH 08/14] block: add helper macros for queue sysfs entries Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 13/14] bdi: invert BDI_CAP_NO_ACCT_WB Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 09/14] bdi: remove BDI_CAP_CGROUP_WRITEBACK Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 10/14] bdi: remove BDI_CAP_SYNCHRONOUS_IO Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 19:06 ` Minchan Kim
2020-07-26 19:06 ` Minchan Kim
[not found] ` <20200726190639.GA560221-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2020-07-27 7:58 ` Christoph Hellwig
2020-07-27 7:58 ` Christoph Hellwig
2020-07-27 7:58 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 11/14] mm: use SWP_SYNCHRONOUS_IO more intelligently Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 12/14] bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag Christoph Hellwig
2020-07-26 15:03 ` Christoph Hellwig
2020-07-26 15:03 ` [PATCH 14/14] bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag Christoph Hellwig
2020-07-26 15:03 ` [PATCH 14/14] bdi: replace BDI_CAP_NO_{WRITEBACK, ACCT_DIRTY} " Christoph Hellwig
2020-07-26 15:12 ` bdi cleanups v3 Christoph Hellwig
2020-07-26 15:12 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2020-07-24 7:32 Christoph Hellwig
2020-07-24 7:33 ` [PATCH 08/14] block: add helper macros for queue sysfs entries Christoph Hellwig
2020-07-24 7:33 ` Christoph Hellwig
2020-07-22 6:25 bdi cleanups v2 Christoph Hellwig
2020-07-22 6:25 ` [PATCH 08/14] block: add helper macros for queue sysfs entries Christoph Hellwig
2020-07-22 6:25 ` Christoph Hellwig
2020-07-22 7:20 ` Johannes Thumshirn
2020-07-22 7:20 ` Johannes Thumshirn
2020-07-20 7:51 bdi cleanups Christoph Hellwig
2020-07-20 7:51 ` [PATCH 08/14] block: add helper macros for queue sysfs entries Christoph Hellwig
2020-07-20 7:51 ` Christoph Hellwig
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