ext4_free_blocks(9)

💖 ext4_free_blocks(9) 💖

Okay bestie, welcome to the Kernel API Manual page for ext4_free_blocks(9) — the function that frees given blocks and updates quota. It’s giving cleanup era, no cap. ✨

🌸 NAME 🌸

ext4_free_blocks — Free given blocks and update quota. 💅

✨ SYNOPSIS ✨

void ext4_free_blocks (handle_t *handle , struct inode *inode , struct buffer_head *bh , ext4_fsblk_t block , unsigned long count , int flags );

🎀 ARGUMENTS 🎀

• handle — handle for this transaction. 💫
• inode — inode. (short, iconic, we respect it)
• bh — optional buffer of the block to be freed. 🦋
• block — starting physical block to be freed. 🔥
• count — number of blocks to be freed. 🎀
• flags — flags used by ext4_free_blocks. 👑

🦋 SEE ALSO 🦋

Kernel file: ./fs/ext4/mballoc.c — and the related besties are ext4_mb_clear_bb(9), ext4_group_add_blocks(9), ext4_trim_extent(9), ext4_trim_all_free(9), and ext4_trim_fs(9). 💖

Catch u later 🫶 — source/version ./fs/ext4, dated October 2026.