blkg_to_pd(9)

💅 blkg_to_pd(9) 💅

okay bestie, welcome to the Kernel API Manual page for blkg_to_pd(9) — it’s giving kernel-internals realness, and we’re gonna read it together 🫶✨

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✨ NAME ✨

blkg_to_pd — get policy private data 💖

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🌸 SYNOPSIS 🌸

struct blkg_policy_data * blkg_to_pd (struct blkcg_gq *blkg , const
       struct blkcg_policy *pol );

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🎀 ARGUMENTS 🎀

• blkg — the blkg of interest 👀
• pol — the policy of interest 💅

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🦋 DESCRIPTION 🦋

Return a pointer to the private data associated with the blkg-pol pair. that’s it, that’s the vibe — it hands you back the private-data pointer for that exact pair, no cap ✨

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🌈 SEE ALSO 🌈

the kernel file is ./block/blk-cgroup.h, and these besties are also in the group chat:

• bio_issue_as_root_blkg(9)
• blkg_lookup(9)
• pd_to_blkg(9)
• blkg_get(9)
• blkg_tryget(9)
• blkg_put(9)
• blkg_for_each_descendant_pre(9)
• blkg_for_each_descendant_post(9)
• blkcg_set_delay(9)
• blkcg_clear_delay(9)
• blk_cgroup_mergeable(9)

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mwah 💋 this page is from the ./block source/version, dated October 2026, and it’s literally blkg_to_pd(9) — iconic, periodt 💜