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| VFS_TEST_LOCK(9) | The Linux VFS | VFS_TEST_LOCK(9) |
NAME¶
vfs_test_lock - test file byte range lock
SYNOPSIS¶
int vfs_test_lock(struct file * filp, struct file_lock * fl);
ARGUMENTS¶
struct file * filp
The file to test lock for
struct file_lock * 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.
COPYRIGHT¶
| September 2017 | Kernel Hackers Manual 4.12 |