The Linux Kernel API
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posix_lock_file

Name

posix_lock_file -- Apply a POSIX-style lock to a file

Synopsis

int posix_lock_file (struct file * filp, struct file_lock * fl);

Arguments

filp: The file to apply the lock to
fl: The lock to be applied

Description

Add a POSIX style lock to a file. We merge adjacent & overlapping locks whenever possible. POSIX locks are sorted by owner task, then by starting address

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