btrfs: fix spelling of snapshotting

Signed-off-by: NDavid Sterba <dsterba@suse.com>

fs/btrfs/ctree.h

@@ -1258,7 +1258,7 @@ struct btrfs_root {
 	 */
 	int send_in_progress;
 	struct btrfs_subvolume_writers *subv_writers;
-	atomic_t will_be_snapshoted;
+	atomic_t will_be_snapshotted;
 
 	/* For qgroup metadata space reserve */
 	atomic64_t qgroup_meta_rsv;
@@ -2773,8 +2773,8 @@ int btrfs_init_space_info(struct btrfs_fs_info *fs_info);
 int btrfs_delayed_refs_qgroup_accounting(struct btrfs_trans_handle *trans,
 					 struct btrfs_fs_info *fs_info);
 int __get_raid_index(u64 flags);
-int btrfs_start_write_no_snapshoting(struct btrfs_root *root);
-void btrfs_end_write_no_snapshoting(struct btrfs_root *root);
+int btrfs_start_write_no_snapshotting(struct btrfs_root *root);
+void btrfs_end_write_no_snapshotting(struct btrfs_root *root);
 void btrfs_wait_for_snapshot_creation(struct btrfs_root *root);
 void check_system_chunk(struct btrfs_trans_handle *trans,
 			struct btrfs_fs_info *fs_info, const u64 type);

fs/btrfs/disk-io.c

@@ -1343,7 +1343,7 @@ static void __setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info,
 	atomic_set(&root->log_batch, 0);
 	atomic_set(&root->orphan_inodes, 0);
 	refcount_set(&root->refs, 1);
-	atomic_set(&root->will_be_snapshoted, 0);
+	atomic_set(&root->will_be_snapshotted, 0);
 	atomic64_set(&root->qgroup_meta_rsv, 0);
 	root->log_transid = 0;
 	root->log_transid_committed = -1;

fs/btrfs/extent-tree.c

@@ -10989,14 +10989,14 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
 }
 
 /*
- * btrfs_{start,end}_write_no_snapshoting() are similar to
+ * btrfs_{start,end}_write_no_snapshotting() are similar to
  * mnt_{want,drop}_write(), they are used to prevent some tasks from writing
  * data into the page cache through nocow before the subvolume is snapshoted,
  * but flush the data into disk after the snapshot creation, or to prevent
- * operations while snapshoting is ongoing and that cause the snapshot to be
+ * operations while snapshotting is ongoing and that cause the snapshot to be
  * inconsistent (writes followed by expanding truncates for example).
  */
-void btrfs_end_write_no_snapshoting(struct btrfs_root *root)
+void btrfs_end_write_no_snapshotting(struct btrfs_root *root)
 {
 	percpu_counter_dec(&root->subv_writers->counter);
 	/*
@@ -11007,9 +11007,9 @@ void btrfs_end_write_no_snapshoting(struct btrfs_root *root)
 		wake_up(&root->subv_writers->wait);
 }
 
-int btrfs_start_write_no_snapshoting(struct btrfs_root *root)
+int btrfs_start_write_no_snapshotting(struct btrfs_root *root)
 {
-	if (atomic_read(&root->will_be_snapshoted))
+	if (atomic_read(&root->will_be_snapshotted))
 		return 0;
 
 	percpu_counter_inc(&root->subv_writers->counter);
@@ -11017,14 +11017,14 @@ int btrfs_start_write_no_snapshoting(struct btrfs_root *root)
 	 * Make sure counter is updated before we check for snapshot creation.
 	 */
 	smp_mb();
-	if (atomic_read(&root->will_be_snapshoted)) {
-		btrfs_end_write_no_snapshoting(root);
+	if (atomic_read(&root->will_be_snapshotted)) {
+		btrfs_end_write_no_snapshotting(root);
 		return 0;
 	}
 	return 1;
 }
 
-static int wait_snapshoting_atomic_t(atomic_t *a)
+static int wait_snapshotting_atomic_t(atomic_t *a)
 {
 	schedule();
 	return 0;
@@ -11035,11 +11035,11 @@ void btrfs_wait_for_snapshot_creation(struct btrfs_root *root)
 	while (true) {
 		int ret;
 
-		ret = btrfs_start_write_no_snapshoting(root);
+		ret = btrfs_start_write_no_snapshotting(root);
 		if (ret)
 			break;
-		wait_on_atomic_t(&root->will_be_snapshoted,
-				 wait_snapshoting_atomic_t,
+		wait_on_atomic_t(&root->will_be_snapshotted,
+				 wait_snapshotting_atomic_t,
 				 TASK_UNINTERRUPTIBLE);
 	}
 }

fs/btrfs/file.c

@@ -1536,7 +1536,7 @@ static noinline int check_can_nocow(struct btrfs_inode *inode, loff_t pos,
 	u64 num_bytes;
 	int ret;
 
-	ret = btrfs_start_write_no_snapshoting(root);
+	ret = btrfs_start_write_no_snapshotting(root);
 	if (!ret)
 		return -ENOSPC;
 
@@ -1561,7 +1561,7 @@ static noinline int check_can_nocow(struct btrfs_inode *inode, loff_t pos,
 			NULL, NULL, NULL);
 	if (ret <= 0) {
 		ret = 0;
-		btrfs_end_write_no_snapshoting(root);
+		btrfs_end_write_no_snapshotting(root);
 	} else {
 		*write_bytes = min_t(size_t, *write_bytes ,
 				     num_bytes - pos + lockstart);
@@ -1664,7 +1664,7 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
 						data_reserved, pos,
 						write_bytes);
 			else
-				btrfs_end_write_no_snapshoting(root);
+				btrfs_end_write_no_snapshotting(root);
 			break;
 		}
 
@@ -1767,7 +1767,7 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
 
 		release_bytes = 0;
 		if (only_release_metadata)
-			btrfs_end_write_no_snapshoting(root);
+			btrfs_end_write_no_snapshotting(root);
 
 		if (only_release_metadata && copied > 0) {
 			lockstart = round_down(pos,
@@ -1797,7 +1797,7 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
 
 	if (release_bytes) {
 		if (only_release_metadata) {
-			btrfs_end_write_no_snapshoting(root);
+			btrfs_end_write_no_snapshotting(root);
 			btrfs_delalloc_release_metadata(BTRFS_I(inode),
 					release_bytes);
 		} else {

fs/btrfs/inode.c

@@ -1381,7 +1381,7 @@ static noinline int run_delalloc_nocow(struct inode *inode,
 			 * we fall into common COW way.
 			 */
 			if (!nolock) {
-				err = btrfs_start_write_no_snapshoting(root);
+				err = btrfs_start_write_no_snapshotting(root);
 				if (!err)
 					goto out_check;
 			}
@@ -1393,12 +1393,12 @@ static noinline int run_delalloc_nocow(struct inode *inode,
 			if (csum_exist_in_range(fs_info, disk_bytenr,
 						num_bytes)) {
 				if (!nolock)
-					btrfs_end_write_no_snapshoting(root);
+					btrfs_end_write_no_snapshotting(root);
 				goto out_check;
 			}
 			if (!btrfs_inc_nocow_writers(fs_info, disk_bytenr)) {
 				if (!nolock)
-					btrfs_end_write_no_snapshoting(root);
+					btrfs_end_write_no_snapshotting(root);
 				goto out_check;
 			}
 			nocow = 1;
@@ -1415,7 +1415,7 @@ static noinline int run_delalloc_nocow(struct inode *inode,
 		if (extent_end <= start) {
 			path->slots[0]++;
 			if (!nolock && nocow)
-				btrfs_end_write_no_snapshoting(root);
+				btrfs_end_write_no_snapshotting(root);
 			if (nocow)
 				btrfs_dec_nocow_writers(fs_info, disk_bytenr);
 			goto next_slot;
@@ -1438,7 +1438,7 @@ static noinline int run_delalloc_nocow(struct inode *inode,
 					     NULL);
 			if (ret) {
 				if (!nolock && nocow)
-					btrfs_end_write_no_snapshoting(root);
+					btrfs_end_write_no_snapshotting(root);
 				if (nocow)
 					btrfs_dec_nocow_writers(fs_info,
 								disk_bytenr);
@@ -1459,7 +1459,7 @@ static noinline int run_delalloc_nocow(struct inode *inode,
 					  BTRFS_ORDERED_PREALLOC);
 			if (IS_ERR(em)) {
 				if (!nolock && nocow)
-					btrfs_end_write_no_snapshoting(root);
+					btrfs_end_write_no_snapshotting(root);
 				if (nocow)
 					btrfs_dec_nocow_writers(fs_info,
 								disk_bytenr);
@@ -1499,7 +1499,7 @@ static noinline int run_delalloc_nocow(struct inode *inode,
 					     PAGE_UNLOCK | PAGE_SET_PRIVATE2);
 
 		if (!nolock && nocow)
-			btrfs_end_write_no_snapshoting(root);
+			btrfs_end_write_no_snapshotting(root);
 		cur_offset = extent_end;
 
 		/*
@@ -5053,7 +5053,7 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
 
 	if (newsize > oldsize) {
 		/*
-		 * Don't do an expanding truncate while snapshoting is ongoing.
+		 * Don't do an expanding truncate while snapshotting is ongoing.
 		 * This is to ensure the snapshot captures a fully consistent
 		 * state of this file - if the snapshot captures this expanding
 		 * truncation, it must capture all writes that happened before
@@ -5062,13 +5062,13 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
 		btrfs_wait_for_snapshot_creation(root);
 		ret = btrfs_cont_expand(inode, oldsize, newsize);
 		if (ret) {
-			btrfs_end_write_no_snapshoting(root);
+			btrfs_end_write_no_snapshotting(root);
 			return ret;
 		}
 
 		trans = btrfs_start_transaction(root, 1);
 		if (IS_ERR(trans)) {
-			btrfs_end_write_no_snapshoting(root);
+			btrfs_end_write_no_snapshotting(root);
 			return PTR_ERR(trans);
 		}
 
@@ -5076,7 +5076,7 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
 		btrfs_ordered_update_i_size(inode, i_size_read(inode), NULL);
 		pagecache_isize_extended(inode, oldsize, newsize);
 		ret = btrfs_update_inode(trans, root, inode);
-		btrfs_end_write_no_snapshoting(root);
+		btrfs_end_write_no_snapshotting(root);
 		btrfs_end_transaction(trans);
 	} else {
 

fs/btrfs/ioctl.c

@@ -607,7 +607,7 @@ static noinline int create_subvol(struct inode *dir,
 	return ret;
 }
 
-static void btrfs_wait_for_no_snapshoting_writes(struct btrfs_root *root)
+static void btrfs_wait_for_no_snapshotting_writes(struct btrfs_root *root)
 {
 	s64 writers;
 	DEFINE_WAIT(wait);
@@ -650,9 +650,9 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
 		goto free_pending;
 	}
 
-	atomic_inc(&root->will_be_snapshoted);
+	atomic_inc(&root->will_be_snapshotted);
 	smp_mb__after_atomic();
-	btrfs_wait_for_no_snapshoting_writes(root);
+	btrfs_wait_for_no_snapshotting_writes(root);
 
 	ret = btrfs_start_delalloc_inodes(root, 0);
 	if (ret)
@@ -723,8 +723,8 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
 fail:
 	btrfs_subvolume_release_metadata(fs_info, &pending_snapshot->block_rsv);
 dec_and_free:
-	if (atomic_dec_and_test(&root->will_be_snapshoted))
-		wake_up_atomic_t(&root->will_be_snapshoted);
+	if (atomic_dec_and_test(&root->will_be_snapshotted))
+		wake_up_atomic_t(&root->will_be_snapshotted);
 free_pending:
 	kfree(pending_snapshot->root_item);
 	btrfs_free_path(pending_snapshot->path);