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Searched refs:rename_lock (Results 1 – 12 of 12) sorted by relevance

/Linux-v5.10/fs/
Dd_path.c99 read_seqbegin_or_lock(&rename_lock, &seq); in prepend_path()
139 if (need_seqretry(&rename_lock, seq)) { in prepend_path()
143 done_seqretry(&rename_lock, seq); in prepend_path()
348 read_seqbegin_or_lock(&rename_lock, &seq); in __dentry_path()
362 if (need_seqretry(&rename_lock, seq)) { in __dentry_path()
366 done_seqretry(&rename_lock, seq); in __dentry_path()
Ddcache.c77 __cacheline_aligned_in_smp DEFINE_SEQLOCK(rename_lock);
79 EXPORT_SYMBOL(rename_lock);
1298 read_seqbegin_or_lock(&rename_lock, &seq); in d_walk()
1363 if (need_seqretry(&rename_lock, seq)) in d_walk()
1375 if (need_seqretry(&rename_lock, seq)) in d_walk()
1381 done_seqretry(&rename_lock, seq); in d_walk()
1445 write_seqlock(&rename_lock); in d_set_mounted()
1465 write_sequnlock(&rename_lock); in d_set_mounted()
2334 seq = read_seqbegin(&rename_lock); in d_lookup()
2338 } while (read_seqretry(&rename_lock, seq)); in d_lookup()
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Dnamei.c1835 if (unlikely(__read_seqcount_retry(&rename_lock.seqcount, nd->r_seq))) in handle_dots()
2219 nd->r_seq = __read_seqcount_begin(&rename_lock.seqcount); in path_init()
/Linux-v5.10/fs/nfs/
Dnamespace.c69 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()
/Linux-v5.10/fs/autofs/
Dwaitq.c192 seq = read_seqbegin(&rename_lock); in autofs_getpath()
201 if (read_seqretry(&rename_lock, seq)) in autofs_getpath()
217 if (read_seqretry(&rename_lock, seq)) in autofs_getpath()
/Linux-v5.10/fs/cifs/
Ddir.c115 seq = read_seqbegin(&rename_lock); in build_path_from_dentry_optional_prefix()
155 if (namelen != dfsplen + pplen || read_seqretry(&rename_lock, seq)) { in build_path_from_dentry_optional_prefix()
/Linux-v5.10/include/linux/
Ddcache.h223 extern seqlock_t rename_lock;
/Linux-v5.10/Documentation/filesystems/
Dpath-lookup.rst217 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
807 No ``inode->i_rwsem`` or even ``rename_lock``
819 Though ``rename_lock`` could be used by RCU-walk as it doesn't require
820 any sleeping, RCU-walk doesn't bother. REF-walk uses ``rename_lock`` to
827 rename_lock would bring no significant value.
925 again - repeatedly". This is seen with the use of ``rename_lock`` and
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Dlocking.rst37 ops rename_lock ->d_lock may block rcu-walk
/Linux-v5.10/fs/ocfs2/
Dnamei.c1204 int status = 0, rename_lock = 0, parents_locked = 0, target_exists = 0; in ocfs2_rename() local
1272 rename_lock = 1; in ocfs2_rename()
1660 if (rename_lock) in ocfs2_rename()
/Linux-v5.10/kernel/
Dauditsc.c1809 seq = read_seqbegin(&rename_lock); in handle_path()
1827 if (unlikely(read_seqretry(&rename_lock, seq) || drop)) { /* in this order */ in handle_path()
/Linux-v5.10/fs/ceph/
Dmds_client.c2345 seq = read_seqbegin(&rename_lock); in ceph_mdsc_build_path()
2385 if (read_seqretry(&rename_lock, seq)) in ceph_mdsc_build_path()