f2fs: rename dio_rwsem to i_gc_rwsem

RW semphore dio_rwsem in struct f2fs_inode_info is introduced to avoid
race between dio and data gc, but now, it is more wildly used to avoid
foreground operation vs data gc. So rename it to i_gc_rwsem to improve
its readability.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 14 insertions, 14 deletions

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 10668720a661..8af352c3239d 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1187,7 +1187,7 @@ static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len)
 	pg_end = (offset + len) >> PAGE_SHIFT;
 
 	/* avoid gc operation during block exchange */
-	down_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
 	down_write(&F2FS_I(inode)->i_mmap_sem);
 	/* write out all dirty pages from offset */
@@ -1213,7 +1213,7 @@ static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len)
 		f2fs_i_size_write(inode, new_size);
 out_unlock:
 	up_write(&F2FS_I(inode)->i_mmap_sem);
-	up_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 	return ret;
 }
 
@@ -1389,7 +1389,7 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
 	f2fs_balance_fs(sbi, true);
 
 	/* avoid gc operation during block exchange */
-	down_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
 	down_write(&F2FS_I(inode)->i_mmap_sem);
 	ret = truncate_blocks(inode, i_size_read(inode), true);
@@ -1430,7 +1430,7 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
 		f2fs_i_size_write(inode, new_size);
 out:
 	up_write(&F2FS_I(inode)->i_mmap_sem);
-	up_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 	return ret;
 }
 
@@ -1677,7 +1677,7 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
 
 	inode_lock(inode);
 
-	down_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
 	if (f2fs_is_atomic_file(inode))
 		goto out;
@@ -1704,7 +1704,7 @@ skip_flush:
 	stat_inc_atomic_write(inode);
 	stat_update_max_atomic_write(inode);
 out:
-	up_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 	inode_unlock(inode);
 	mnt_drop_write_file(filp);
 	return ret;
@@ -1724,7 +1724,7 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp)
 
 	inode_lock(inode);
 
-	down_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+	down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 
 	if (f2fs_is_volatile_file(inode)) {
 		ret = -EINVAL;
@@ -1746,7 +1746,7 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp)
 		ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 1, false);
 	}
 err_out:
-	up_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
+	up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
 	inode_unlock(inode);
 	mnt_drop_write_file(filp);
 	return ret;
@@ -2333,12 +2333,12 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
 	}
 
 	inode_lock(src);
-	down_write(&F2FS_I(src)->dio_rwsem[WRITE]);
+	down_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
 	if (src != dst) {
 		ret = -EBUSY;
 		if (!inode_trylock(dst))
 			goto out;
-		if (!down_write_trylock(&F2FS_I(dst)->dio_rwsem[WRITE])) {
+		if (!down_write_trylock(&F2FS_I(dst)->i_gc_rwsem[WRITE])) {
 			inode_unlock(dst);
 			goto out;
 		}
@@ -2400,11 +2400,11 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
 	f2fs_unlock_op(sbi);
 out_unlock:
 	if (src != dst) {
-		up_write(&F2FS_I(dst)->dio_rwsem[WRITE]);
+		up_write(&F2FS_I(dst)->i_gc_rwsem[WRITE]);
 		inode_unlock(dst);
 	}
 out:
-	up_write(&F2FS_I(src)->dio_rwsem[WRITE]);
+	up_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
 	inode_unlock(src);
 	return ret;
 }
@@ -2814,9 +2814,9 @@ int f2fs_precache_extents(struct inode *inode)
 	while (map.m_lblk < end) {
 		map.m_len = end - map.m_lblk;
 
-		down_write(&fi->dio_rwsem[WRITE]);
+		down_write(&fi->i_gc_rwsem[WRITE]);
 		err = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_PRECACHE);
-		up_write(&fi->dio_rwsem[WRITE]);
+		up_write(&fi->i_gc_rwsem[WRITE]);
 		if (err)
 			return err;