gfs2: Remove unnecessary gfs2_qa_{get,put} pairs

We now get the quota data structure when opening a file writable and put it
when closing that writable file descriptor, so there no longer is a need for
gfs2_qa_{get,put} while we're holding a writable file descriptor.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>

fs/gfs2/file.c

@@ -458,10 +458,6 @@ static vm_fault_t gfs2_page_mkwrite(struct vm_fault *vmf)
 
 	sb_start_pagefault(inode->i_sb);
 
-	ret = gfs2_qa_get(ip);
-	if (ret)
-		goto out;
-
 	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
 	ret = gfs2_glock_nq(&gh);
 	if (ret)
@@ -553,13 +549,11 @@ out_quota_unlock:
 out_unlock:
 	gfs2_glock_dq(&gh);
 out_uninit:
-	gfs2_qa_put(ip);
 	gfs2_holder_uninit(&gh);
 	if (ret == 0) {
 		set_page_dirty(page);
 		wait_for_stable_page(page);
 	}
-out:
 	sb_end_pagefault(inode->i_sb);
 	return block_page_mkwrite_return(ret);
 }
@@ -860,10 +854,6 @@ static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	struct gfs2_inode *ip = GFS2_I(inode);
 	ssize_t ret;
 
-	ret = gfs2_qa_get(ip);
-	if (ret)
-		return ret;
-
 	gfs2_size_hint(file, iocb->ki_pos, iov_iter_count(from));
 
 	if (iocb->ki_flags & IOCB_APPEND) {
@@ -871,7 +861,7 @@ static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 
 		ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
 		if (ret)
-			goto out;
+			return ret;
 		gfs2_glock_dq_uninit(&gh);
 	}
 
@@ -929,8 +919,6 @@ static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 
 out_unlock:
 	inode_unlock(inode);
-out:
-	gfs2_qa_put(ip);
 	return ret;
 }
 
@@ -1162,18 +1150,11 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t le
 	if (mode & FALLOC_FL_PUNCH_HOLE) {
 		ret = __gfs2_punch_hole(file, offset, len);
 	} else {
-		ret = gfs2_qa_get(ip);
-		if (ret)
-			goto out_putw;
-
 		ret = __gfs2_fallocate(file, mode, offset, len);
-
 		if (ret)
 			gfs2_rs_deltree(&ip->i_res);
-		gfs2_qa_put(ip);
 	}
 
-out_putw:
 	put_write_access(inode);
 out_unlock:
 	gfs2_glock_dq(&gh);
@@ -1187,18 +1168,11 @@ static ssize_t gfs2_file_splice_write(struct pipe_inode_info *pipe,
 				      struct file *out, loff_t *ppos,
 				      size_t len, unsigned int flags)
 {
-	int error;
-	struct gfs2_inode *ip = GFS2_I(out->f_mapping->host);
 	ssize_t ret;
 
-	error = gfs2_qa_get(ip);
-	if (error)
-		return (ssize_t)error;
-
 	gfs2_size_hint(out, *ppos, len);
 
 	ret = iter_file_splice_write(pipe, out, ppos, len, flags);
-	gfs2_qa_put(ip);
 	return ret;
 }