Lines Matching refs:mrp
19 #define mrinit(mrp, name) \ argument
20 do { (mrp)->mr_writer = 0; init_rwsem(&(mrp)->mr_lock); } while (0)
22 #define mrinit(mrp, name) \ argument
23 do { init_rwsem(&(mrp)->mr_lock); } while (0)
26 #define mrlock_init(mrp, t,n,s) mrinit(mrp, n) argument
27 #define mrfree(mrp) do { } while (0) argument
29 static inline void mraccess_nested(mrlock_t *mrp, int subclass) in mraccess_nested() argument
31 down_read_nested(&mrp->mr_lock, subclass); in mraccess_nested()
34 static inline void mrupdate_nested(mrlock_t *mrp, int subclass) in mrupdate_nested() argument
36 down_write_nested(&mrp->mr_lock, subclass); in mrupdate_nested()
38 mrp->mr_writer = 1; in mrupdate_nested()
42 static inline int mrtryaccess(mrlock_t *mrp) in mrtryaccess() argument
44 return down_read_trylock(&mrp->mr_lock); in mrtryaccess()
47 static inline int mrtryupdate(mrlock_t *mrp) in mrtryupdate() argument
49 if (!down_write_trylock(&mrp->mr_lock)) in mrtryupdate()
52 mrp->mr_writer = 1; in mrtryupdate()
57 static inline void mrunlock_excl(mrlock_t *mrp) in mrunlock_excl() argument
60 mrp->mr_writer = 0; in mrunlock_excl()
62 up_write(&mrp->mr_lock); in mrunlock_excl()
65 static inline void mrunlock_shared(mrlock_t *mrp) in mrunlock_shared() argument
67 up_read(&mrp->mr_lock); in mrunlock_shared()
70 static inline void mrdemote(mrlock_t *mrp) in mrdemote() argument
73 mrp->mr_writer = 0; in mrdemote()
75 downgrade_write(&mrp->mr_lock); in mrdemote()