From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- drivers/md/bcache/features.c | 75 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 drivers/md/bcache/features.c (limited to 'drivers/md/bcache/features.c') diff --git a/drivers/md/bcache/features.c b/drivers/md/bcache/features.c new file mode 100644 index 000000000..634922c56 --- /dev/null +++ b/drivers/md/bcache/features.c @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Feature set bits and string conversion. + * Inspired by ext4's features compat/incompat/ro_compat related code. + * + * Copyright 2020 Coly Li + * + */ +#include "bcache_ondisk.h" +#include "bcache.h" +#include "features.h" + +struct feature { + int compat; + unsigned int mask; + const char *string; +}; + +static struct feature feature_list[] = { + {BCH_FEATURE_INCOMPAT, BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE, + "large_bucket"}, + {0, 0, NULL }, +}; + +#define compose_feature_string(type) \ +({ \ + struct feature *f; \ + bool first = true; \ + \ + for (f = &feature_list[0]; f->compat != 0; f++) { \ + if (f->compat != BCH_FEATURE_ ## type) \ + continue; \ + if (BCH_HAS_ ## type ## _FEATURE(&c->cache->sb, f->mask)) { \ + if (first) { \ + out += snprintf(out, buf + size - out, \ + "["); \ + } else { \ + out += snprintf(out, buf + size - out, \ + " ["); \ + } \ + } else if (!first) { \ + out += snprintf(out, buf + size - out, " "); \ + } \ + \ + out += snprintf(out, buf + size - out, "%s", f->string);\ + \ + if (BCH_HAS_ ## type ## _FEATURE(&c->cache->sb, f->mask)) \ + out += snprintf(out, buf + size - out, "]"); \ + \ + first = false; \ + } \ + if (!first) \ + out += snprintf(out, buf + size - out, "\n"); \ +}) + +int bch_print_cache_set_feature_compat(struct cache_set *c, char *buf, int size) +{ + char *out = buf; + compose_feature_string(COMPAT); + return out - buf; +} + +int bch_print_cache_set_feature_ro_compat(struct cache_set *c, char *buf, int size) +{ + char *out = buf; + compose_feature_string(RO_COMPAT); + return out - buf; +} + +int bch_print_cache_set_feature_incompat(struct cache_set *c, char *buf, int size) +{ + char *out = buf; + compose_feature_string(INCOMPAT); + return out - buf; +} -- cgit v1.3.1