Function report |
Source Code:fs\locks.c |
Create Date:2022-07-28 20:25:27 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:posix_test_lock
Proto:void posix_test_lock(struct file *filp, struct file_lock *fl)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct file * | filp | |
struct file_lock * | fl |
933 | inode = locks_inode(filp) |
935 | ctx = smp_load_acquire( & i_flctx) |
949 | out : |
950 | spin_unlock( & flc_lock) |
951 | Return |
Name | Describe |
---|---|
vfs_test_lock | vfs_test_lock - test file byte range lock*@filp: The file to test lock for*@fl: The lock to test; also used to hold result* Returns -ERRNO on failure. Indicates presence of conflicting lock by* setting conf->fl_type to something other than F_UNLCK. |
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