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VFS_TEST_LOCK(9) | The Linux VFS | VFS_TEST_LOCK(9) |
NAME¶
vfs_test_lock - test file byte range lockSYNOPSIS¶
int vfs_test_lock(struct file * filp, struct file_lock * fl);
ARGUMENTS¶
filpThe 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.COPYRIGHT¶
April 2019 | Kernel Hackers Manual 4.9. |