vfs_test_lock (9) - Linux Manuals

vfs_test_lock: test file byte range lock

NAME

vfs_test_lock - test file byte range lock

SYNOPSIS

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

ARGUMENTS

filp

The file to test lock for

fl

The lock to test; also used to hold result

DESCRIPTION

Returns -ERRNO on failure. Indicates presence of conflicting lock by setting conf->fl_type to something other than F_UNLCK.

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