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