get_tree_bdev(9)

💖 get_tree_bdev — Kernel API Manual 💖

ok so bestie, we're in the get_tree_bdev(9) page today, straight out of the Kernel API Manual — and it's giving "one block device, one superblock, let's GO" ✨

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🌸 NAME 🌸

get_tree_bdev — get a superblock based on a single block device 🫶

like, a single block device. one. not a whole stack, not a party — one device, one superblock, that's the vibe ✨

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🎀 SYNOPSIS 🎀

int get_tree_bdev (struct fs_context *fc , int (*fill_super)(struct
super_block *, struct fs_context *) );

that's it, that's the whole signature, no cap 💅 returns an int, takes two args, slays accordingly 🔥

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🦋 ARGUMENTS 🦋

• fc — the filesystem context that's holding all the parameters 💖 think of it as the little purse where the mount options live. everything the fs needs to know is chilling in there.
• fill_super — a helper that initialises a new superblock 🌱 it takes a struct super_block * and a struct fs_context *, and it's the main character that sets your fresh superblock up. like handing someone a blank notebook and being like "here, make it iconic" 😭

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🌈 SEE ALSO 🌈

ok the friend group is LARGE and honestly every one of them is worth a follow, all from the kernel file ./fs/super.c:

• super_lock(9)
• alloc_super(9)
• deactivate_locked_super(9)
• deactivate_super(9)
• grab_super(9)
• retire_super(9)
• generic_shutdown_super(9)
• sget_fc(9)
• iterate_supers_type(9)
• reconfigure_super(9)
• emergency_thaw_all(9)
• get_anon_bdev(9)
• sget_dev(9)
• fs_bdev_freeze(9)
• fs_bdev_thaw(9)
• fs_bdev_file_open_by_dev(9)
• fs_bdev_file_open_by_path(9)
• fs_bdev_unregister(9)
• fs_bdev_file_release(9)
• get_tree_bdev_flags(9)
• vfs_get_tree(9)
• sb_wait_write(9)
• freeze_super(9)
• thaw_super(9)

all of them 💀 yes, all 24, i counted, we're built different 🧚

pro tip from me to you: get_tree_bdev_flags(9) is literally right there in the list and it's the one with flags — go read that one next if you're feeling curious 👀 (it's in the SEE ALSO, that's all i'm saying 💜)

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ok that's the whole page, mwah 🌸 stay hydrated, mount responsibly, and remember: one block device, one superblock, one slay 💅✨

this cutie came from the kernel file ./fs and is dated October 2026 💖 that's the source, the version, and the date all wrapped up in a little bow 🎀 periodt 🫶