ecryptfs_truncate(9)

🦋 ecryptfs_truncate — the Kernel API Manual moment 💅

okay so this one lives in the <pink>Kernel API Manual</pink> section, and bestie, it's a whole little function about shrinking and stretching files in eCryptfs. let's get into it ✨

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🌸 NAME 🌸

ecryptfs_truncate — literally the truncation girlie, no further notes given 😭 (the original NAME line is blank after the dash, so we're keeping it that way, periodt)

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✨ SYNOPSIS ✨

int ecryptfs_truncate (struct dentry *dentry , loff_t new_length );

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🎀 ARGUMENTS 🎀

• dentry — the ecryptfs layer dentry 🫶 this is the ecryptfs-side entry you're working with.
• new_length — the length to expand the file to 👑 yes, that's what the original says: expand. we're just reporting the facts here, iykyk.

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💖 DESCRIPTION 💖

okay so picture this: a simple function that handles the truncation of an eCryptfs inode and its corresponding lower inode. that's the whole vibe. both of them. together. main character energy 🔥

it returns zero on success; non-zero otherwise ⭐ that's your vibe check right there — zero is the slay, anything else is a 💀.

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🌈 SEE ALSO 🌈

• Kernel file ./fs/ecryptfs/inode.c
• ecryptfs_interpose(9)
• ecryptfs_do_create(9)
• ecryptfs_lookup(9)
• upper_size_to_lower_size(9)
• __ecryptfs_truncate(9)
• ecryptfs_setattr(9)

like, go read the whole friend group, fr fr 🧚

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and that's the page, bestie!! 💜 this one's sourced from ./fs/ecryptfs and dated October 2026 — yes, the future, we're ahead of schedule bestie 🕰️✨ go forth and truncate responsibly 🎀