Searched refs:seqlock (Results 1 – 16 of 16) sorted by relevance
| /Linux-v5.10/Documentation/RCU/ |
| D | arrayRCU.rst | 46 have not been used with RCU. Rik van Riel recommends using seqlock in
51 Why is it so important that updates be rare when using seqlock?
160 Why is it so important that updates be rare when using seqlock?
163 using seqlock is that frequent updates can livelock readers.
164 One way to avoid this problem is to assign a seqlock for
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| D | RTFP.txt | 2613 RCU, and seqlock.
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| /Linux-v5.10/Documentation/locking/ |
| D | index.rst | 17 seqlock
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| D | seqlock.rst | 240 .. kernel-doc:: include/linux/seqlock.h
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| /Linux-v5.10/include/drm/ |
| D | drm_vblank.h | 111 seqlock_t seqlock; member
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| /Linux-v5.10/include/net/ |
| D | sch_generic.h | 110 spinlock_t seqlock; member
143 return spin_is_locked(&qdisc->seqlock); in qdisc_is_running()
162 if (!spin_trylock(&qdisc->seqlock)) in qdisc_run_begin()
180 spin_unlock(&qdisc->seqlock); in qdisc_run_end()
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| /Linux-v5.10/drivers/gpu/drm/ |
| D | drm_vblank.c | 179 write_seqlock(&vblank->seqlock); in store_vblank()
182 write_sequnlock(&vblank->seqlock); in store_vblank()
538 seqlock_init(&vblank->seqlock); in drm_vblank_init()
942 seq = read_seqbegin(&vblank->seqlock); in drm_vblank_count_and_time()
945 } while (read_seqretry(&vblank->seqlock, seq)); in drm_vblank_count_and_time()
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| /Linux-v5.10/Documentation/filesystems/ |
| D | path-lookup.txt | 94 These members are also protected by d_seq seqlock, although this offers
120 dentry. So a seqlock is used to detect when a rename has occurred, and so the
172 rename seqlock is also used to cover this race in much the same way, by
184 dentry seqlock (d_seq) is used to take a "coherent snapshot" of what the dentry
301 * Have a per-dentry seqlock to protect the dentry name, parent, and inode,
313 * If seqlock verification fails anywhere along the path, do a full restart
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| D | path-lookup.rst | 234 ``rename_lock`` is a seqlock that is updated whenever any dentry is
340 ``mount_lock`` is a global seqlock, a bit like ``rename_lock``. It can be used to
345 the value in the seqlock is read, then the code finds the mount that
353 a little more care is needed. In this case the seqlock (which
701 samples the status of a seqlock using ``read_seqcount_begin()`` or a
707 RCU-walk accesses two different fields in a seqlock-protected
734 We already met the ``mount_lock`` seqlock when REF-walk used it to
764 the per-dentry ``d_seq`` seqlock, and stores the sequence number in the
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| /Linux-v5.10/net/sched/ |
| D | sch_generic.c | 844 spin_lock_init(&sch->seqlock); in qdisc_alloc()
1155 spin_lock_bh(&qdisc->seqlock); in dev_reset_queue()
1162 spin_unlock_bh(&qdisc->seqlock); in dev_reset_queue()
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| /Linux-v5.10/fs/nfs/ |
| D | nfs4proc.c | 1649 write_seqlock(&state->seqlock); in nfs_clear_open_stateid()
1653 write_sequnlock(&state->seqlock); in nfs_clear_open_stateid()
1661 __must_hold(&state->seqlock) in nfs_set_open_stateid_locked()
1685 write_sequnlock(&state->seqlock); in nfs_set_open_stateid_locked()
1700 write_seqlock(&state->seqlock); in nfs_set_open_stateid_locked()
1725 write_seqlock(&state->seqlock); in nfs_state_set_open_stateid()
1738 write_sequnlock(&state->seqlock); in nfs_state_set_open_stateid()
1757 write_seqlock(&state->seqlock); in nfs_state_set_delegation()
1760 write_sequnlock(&state->seqlock); in nfs_state_set_delegation()
1765 write_seqlock(&state->seqlock); in nfs_state_clear_delegation()
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| D | nfs4_fs.h | 187 seqlock_t seqlock; /* Protects the stateid/open_stateid */ member
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| D | nfs4state.c | 675 seqlock_init(&state->seqlock); in nfs4_alloc_open_state()
1027 seq = read_seqbegin(&state->seqlock); in nfs4_copy_open_stateid()
1033 } while (read_seqretry(&state->seqlock, seq)); in nfs4_copy_open_stateid()
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| /Linux-v5.10/tools/memory-model/Documentation/ |
| D | simple.txt | 151 Additional information may be found in include/linux/seqlock.h.
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| /Linux-v5.10/tools/perf/ |
| D | design.txt | 319 __u32 lock; /* seqlock for synchronization */
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| /Linux-v5.10/ |
| D | MAINTAINERS | 10271 F: include/linux/seqlock.h
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