Searched refs:seqlock (Results 1 – 16 of 16) sorted by relevance
| /Linux-v5.15/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-v5.15/Documentation/locking/ |
| D | index.rst | 17 seqlock
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| D | seqlock.rst | 239 .. kernel-doc:: include/linux/seqlock.h
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| /Linux-v5.15/include/drm/ |
| D | drm_vblank.h | 111 seqlock_t seqlock; member
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| /Linux-v5.15/include/net/ |
| D | sch_generic.h | 118 spinlock_t seqlock; member
149 return spin_is_locked(&qdisc->seqlock); in qdisc_is_running()
173 if (spin_trylock(&qdisc->seqlock)) in qdisc_run_begin()
208 return spin_trylock(&qdisc->seqlock); in qdisc_run_begin()
223 spin_unlock(&qdisc->seqlock); in qdisc_run_end()
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| /Linux-v5.15/drivers/gpu/drm/ |
| D | drm_vblank.c | 179 write_seqlock(&vblank->seqlock); in store_vblank()
182 write_sequnlock(&vblank->seqlock); in store_vblank()
544 seqlock_init(&vblank->seqlock); in drm_vblank_init()
948 seq = read_seqbegin(&vblank->seqlock); in drm_vblank_count_and_time()
951 } while (read_seqretry(&vblank->seqlock, seq)); in drm_vblank_count_and_time()
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| /Linux-v5.15/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
700 samples the status of a seqlock using ``read_seqcount_begin()`` or a
706 RCU-walk accesses two different fields in a seqlock-protected
733 We already met the ``mount_lock`` seqlock when REF-walk used it to
763 the per-dentry ``d_seq`` seqlock, and stores the sequence number in the
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| /Linux-v5.15/net/sched/ |
| D | sch_generic.c | 915 spin_lock_init(&sch->seqlock); in qdisc_alloc()
916 lockdep_set_class(&sch->seqlock, in qdisc_alloc()
1225 spin_lock_bh(&qdisc->seqlock); in dev_reset_queue()
1234 spin_unlock_bh(&qdisc->seqlock); in dev_reset_queue()
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| /Linux-v5.15/fs/nfs/ |
| D | nfs4proc.c | 1673 write_seqlock(&state->seqlock); in nfs_clear_open_stateid()
1677 write_sequnlock(&state->seqlock); in nfs_clear_open_stateid()
1685 __must_hold(&state->seqlock) in nfs_set_open_stateid_locked()
1709 write_sequnlock(&state->seqlock); in nfs_set_open_stateid_locked()
1724 write_seqlock(&state->seqlock); in nfs_set_open_stateid_locked()
1749 write_seqlock(&state->seqlock); in nfs_state_set_open_stateid()
1762 write_sequnlock(&state->seqlock); in nfs_state_set_open_stateid()
1781 write_seqlock(&state->seqlock); in nfs_state_set_delegation()
1784 write_sequnlock(&state->seqlock); in nfs_state_set_delegation()
1789 write_seqlock(&state->seqlock); in nfs_state_clear_delegation()
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| D | nfs4_fs.h | 188 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-v5.15/tools/memory-model/Documentation/ |
| D | simple.txt | 151 Additional information may be found in include/linux/seqlock.h.
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| /Linux-v5.15/tools/perf/ |
| D | design.txt | 319 __u32 lock; /* seqlock for synchronization */
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| /Linux-v5.15/ |
| D | MAINTAINERS | 10951 F: include/linux/seqlock.h
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