Documentation/filesystems/directory-locking.rst

81 from the same NFS4 server and doing lookups in one of them has reached
86 For a lot of reasons we want to have the same directory present in dcache
121 on other filesystems must follow the same locking rules.  Moreover, "a
142   * put ->i_rwsem of all directories on a filesystem at the same rank,
143     lower than ->i_rwsem of any non-directory on the same filesystem.
145     on the same filesystem.
152   2. ->i_rwsem of directories on that NFS filesystem, same rank for all
156   5. ->i_rwsem of directories on the local filesystem, same rank for all
168 contended locks in the minimal deadlock will be of the same rank,
169 i.e. they all will be ->i_rwsem of directories on the same filesystem.
175 and the same number of directories (D1,...,Dn) such that
188 child), same-directory rename killing a subdirectory (ditto) and
199 Since all operations are on the same filesystem, there can't be