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btrfs: convert BTRFS_ILOCK-* defines to enum bit

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Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2022-09-09 17:27:45 +02:00
parent d549ff7bdb
commit c7321b76df
1 changed files with 6 additions and 3 deletions
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9
fs/btrfs/ctree.h
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@ -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);