diff options
Diffstat (limited to 'fs/xfs/xfs_inode.h')
| -rw-r--r-- | fs/xfs/xfs_inode.h | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index f14c1de2549d..10dcf27b4c85 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -56,7 +56,6 @@ typedef struct xfs_inode { /* Transaction and locking information. */ struct xfs_inode_log_item *i_itemp; /* logging information */ mrlock_t i_lock; /* inode lock */ - mrlock_t i_iolock; /* inode IO lock */ mrlock_t i_mmaplock; /* inode mmap IO lock */ atomic_t i_pincount; /* inode pin count */ spinlock_t i_flags_lock; /* inode i_flags lock */ @@ -246,6 +245,11 @@ static inline bool xfs_is_reflink_inode(struct xfs_inode *ip) * Synchronize processes attempting to flush the in-core inode back to disk. */ +static inline int xfs_isiflocked(struct xfs_inode *ip) +{ + return xfs_iflags_test(ip, XFS_IFLOCK); +} + extern void __xfs_iflock(struct xfs_inode *ip); static inline int xfs_iflock_nowait(struct xfs_inode *ip) @@ -261,16 +265,12 @@ static inline void xfs_iflock(struct xfs_inode *ip) static inline void xfs_ifunlock(struct xfs_inode *ip) { + ASSERT(xfs_isiflocked(ip)); xfs_iflags_clear(ip, XFS_IFLOCK); smp_mb(); wake_up_bit(&ip->i_flags, __XFS_IFLOCK_BIT); } -static inline int xfs_isiflocked(struct xfs_inode *ip) -{ - return xfs_iflags_test(ip, XFS_IFLOCK); -} - /* * Flags for inode locking. * Bit ranges: 1<<1 - 1<<16-1 -- iolock/ilock modes (bitfield) @@ -332,7 +332,7 @@ static inline int xfs_isiflocked(struct xfs_inode *ip) * IOLOCK values * * 0-3 subclass value - * 4-7 PARENT subclass values + * 4-7 unused * * MMAPLOCK values * @@ -347,10 +347,8 @@ static inline int xfs_isiflocked(struct xfs_inode *ip) * */ #define XFS_IOLOCK_SHIFT 16 -#define XFS_IOLOCK_PARENT_VAL 4 -#define XFS_IOLOCK_MAX_SUBCLASS (XFS_IOLOCK_PARENT_VAL - 1) +#define XFS_IOLOCK_MAX_SUBCLASS 3 #define XFS_IOLOCK_DEP_MASK 0x000f0000 -#define XFS_IOLOCK_PARENT (XFS_IOLOCK_PARENT_VAL << XFS_IOLOCK_SHIFT) #define XFS_MMAPLOCK_SHIFT 20 #define XFS_MMAPLOCK_NUMORDER 0 |