Commit c7321b76 authored by David Sterba's avatar David Sterba
Browse files

btrfs: convert BTRFS_ILOCK-* defines to enum bit 



Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent d549ff7b

fs/btrfs/ctree.h

+6 −3
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include "async-thread.h"

#include "block-rsv.h"

#include "locking.h"

#include "misc.h"



struct btrfs_trans_handle;

struct btrfs_transaction;
@@ -3131,9 +3132,11 @@ struct iomap_dio *btrfs_dio_write(struct kiocb *iocb, struct iov_iter *iter, 
extern const struct dentry_operations btrfs_dentry_operations;



/* Inode locking type flags, by default the exclusive lock is taken */

#define BTRFS_ILOCK_SHARED	(1U << 0)

#define BTRFS_ILOCK_TRY 	(1U << 1)

#define BTRFS_ILOCK_MMAP	(1U << 2)

enum btrfs_ilock_type {

	ENUM_BIT(BTRFS_ILOCK_SHARED),

	ENUM_BIT(BTRFS_ILOCK_TRY),

	ENUM_BIT(BTRFS_ILOCK_MMAP),

};



int btrfs_inode_lock(struct inode *inode, unsigned int ilock_flags);

void btrfs_inode_unlock(struct inode *inode, unsigned int ilock_flags);