Searched refs:rename_lock (Results 1 – 10 of 10) sorted by relevance
| /Linux-v5.15/fs/ |
| D | d_path.c | 172 read_seqbegin_or_lock(&rename_lock, &seq); in prepend_path()
176 if (need_seqretry(&rename_lock, seq)) { in prepend_path()
180 done_seqretry(&rename_lock, seq); in prepend_path()
343 read_seqbegin_or_lock(&rename_lock, &seq); in __dentry_path()
354 if (need_seqretry(&rename_lock, seq)) { in __dentry_path()
358 done_seqretry(&rename_lock, seq); in __dentry_path()
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| D | dcache.c | 77 __cacheline_aligned_in_smp DEFINE_SEQLOCK(rename_lock);
79 EXPORT_SYMBOL(rename_lock);
1333 read_seqbegin_or_lock(&rename_lock, &seq); in d_walk()
1398 if (need_seqretry(&rename_lock, seq)) in d_walk()
1410 if (need_seqretry(&rename_lock, seq)) in d_walk()
1416 done_seqretry(&rename_lock, seq); in d_walk()
1480 write_seqlock(&rename_lock); in d_set_mounted()
1500 write_sequnlock(&rename_lock); in d_set_mounted()
2369 seq = read_seqbegin(&rename_lock); in d_lookup()
2373 } while (read_seqretry(&rename_lock, seq)); in d_lookup()
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| D | namei.c | 1944 if (unlikely(__read_seqcount_retry(&rename_lock.seqcount, nd->r_seq))) in handle_dots()
2336 nd->r_seq = __read_seqcount_begin(&rename_lock.seqcount); in path_init()
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| /Linux-v5.15/fs/nfs/ |
| D | namespace.c | 69 seq = read_seqbegin(&rename_lock); in nfs_path()
85 if (read_seqretry(&rename_lock, seq)) { in nfs_path()
126 if (read_seqretry(&rename_lock, seq)) in nfs_path()
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| /Linux-v5.15/include/linux/ |
| D | dcache.h | 225 extern seqlock_t rename_lock;
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| /Linux-v5.15/Documentation/filesystems/ |
| D | path-lookup.rst | 217 rename_lock subsection
234 ``rename_lock`` is a seqlock that is updated whenever any dentry is
239 ``rename_lock`` is also used to detect and defend against potential attacks
242 check). If ``rename_lock`` is updated during the lookup and the path encounters
340 ``mount_lock`` is a global seqlock, a bit like ``rename_lock``. It can be used to
806 No ``inode->i_rwsem`` or even ``rename_lock``
818 Though ``rename_lock`` could be used by RCU-walk as it doesn't require
819 any sleeping, RCU-walk doesn't bother. REF-walk uses ``rename_lock`` to
826 rename_lock would bring no significant value.
924 again - repeatedly". This is seen with the use of ``rename_lock`` and
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| D | locking.rst | 37 ops rename_lock ->d_lock may block rcu-walk
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| /Linux-v5.15/fs/ocfs2/ |
| D | namei.c | 1207 int status = 0, rename_lock = 0, parents_locked = 0, target_exists = 0; in ocfs2_rename() local
1275 rename_lock = 1; in ocfs2_rename()
1663 if (rename_lock) in ocfs2_rename()
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| /Linux-v5.15/kernel/ |
| D | auditsc.c | 1818 seq = read_seqbegin(&rename_lock); in handle_path()
1838 if (unlikely(read_seqretry(&rename_lock, seq) || drop)) { /* in this order */ in handle_path()
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| /Linux-v5.15/fs/ceph/ |
| D | mds_client.c | 2387 seq = read_seqbegin(&rename_lock); in ceph_mdsc_build_path()
2427 if (read_seqretry(&rename_lock, seq)) in ceph_mdsc_build_path()
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