btrfs: fix typos in comments and strings

Annual typo fixing pass. Strangely codespell found only about 30% of
what is in this patch, the rest was done manually using text
spellchecker with a custom dictionary of acceptable terms.

Signed-off-by: David Sterba <[email protected]>

Author: kdave

fs/btrfs/accessors.c

@@ -44,7 +44,7 @@ static __always_inline void memcpy_split_src(char *dest, const char *src1,
  * gives us all the type checking.
  *
  * The extent buffer pages stored in the array folios may not form a contiguous
- * phyusical range, but the API functions assume the linear offset to the range
+ * physical range, but the API functions assume the linear offset to the range
  * from 0 to metadata node size.
  */
 

fs/btrfs/backref.c

@@ -1690,7 +1690,7 @@ static int find_parent_nodes(struct btrfs_backref_walk_ctx *ctx,
  * @ctx->bytenr and @ctx->extent_item_pos. The bytenr of the found leaves are
  * added to the ulist at @ctx->refs, and that ulist is allocated by this
  * function. The caller should free the ulist with free_leaf_list() if
- * @ctx->ignore_extent_item_pos is false, otherwise a fimple ulist_free() is
+ * @ctx->ignore_extent_item_pos is false, otherwise a simple ulist_free() is
  * enough.
  *
  * Returns 0 on success and < 0 on error. On error @ctx->refs is not allocated.

fs/btrfs/backref.h

@@ -190,7 +190,7 @@ struct btrfs_backref_share_check_ctx {
 	 * It's very common to have several file extent items that point to the
 	 * same extent (bytenr) but with different offsets and lengths. This
 	 * typically happens for COW writes, partial writes into prealloc
-	 * extents, NOCOW writes after snapshoting a root, hole punching or
+	 * extents, NOCOW writes after snapshotting a root, hole punching or
 	 * reflinking within the same file (less common perhaps).
 	 * So keep a small cache with the lookup results for the extent pointed
 	 * by the last few file extent items. This cache is checked, with a
@@ -414,7 +414,7 @@ struct btrfs_backref_cache {
 	/*
 	 * Whether this cache is for relocation
 	 *
-	 * Reloction backref cache require more info for reloc root compared
+	 * Relocation backref cache require more info for reloc root compared
 	 * to generic backref cache.
 	 */
 	bool is_reloc;

fs/btrfs/block-group.c

@@ -1964,7 +1964,7 @@ void btrfs_reclaim_bgs_work(struct work_struct *work)
 		 * called, which is where we will transfer a reserved extent's
 		 * size from the "reserved" counter to the "used" counter - this
 		 * happens when running delayed references. When we relocate the
-		 * chunk below, relocation first flushes dellaloc, waits for
+		 * chunk below, relocation first flushes delalloc, waits for
 		 * ordered extent completion (which is where we create delayed
 		 * references for data extents) and commits the current
 		 * transaction (which runs delayed references), and only after
@@ -2832,7 +2832,7 @@ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans)
 		 * space or none at all (due to no need to COW, extent buffers
 		 * were already COWed in the current transaction and still
 		 * unwritten, tree heights lower than the maximum possible
-		 * height, etc). For data we generally reserve the axact amount
+		 * height, etc). For data we generally reserve the exact amount
 		 * of space we are going to allocate later, the exception is
 		 * when using compression, as we must reserve space based on the
 		 * uncompressed data size, because the compression is only done

fs/btrfs/block-group.h

@@ -63,7 +63,7 @@ enum btrfs_discard_state {
  * CHUNK_ALLOC_FORCE means it must try to allocate one
  *
  * CHUNK_ALLOC_FORCE_FOR_EXTENT like CHUNK_ALLOC_FORCE but called from
- * find_free_extent() that also activaes the zone
+ * find_free_extent() that also activates the zone
  */
 enum btrfs_chunk_alloc_enum {
 	CHUNK_ALLOC_NO_FORCE,

fs/btrfs/compression.c

@@ -1290,7 +1290,7 @@ int btrfs_decompress_buf2page(const char *buf, u32 buf_len,
 #define ENTROPY_LVL_HIGH		(80)
 
 /*
- * For increasead precision in shannon_entropy calculation,
+ * For increased precision in shannon_entropy calculation,
  * let's do pow(n, M) to save more digits after comma:
  *
  * - maximum int bit length is 64

fs/btrfs/defrag.c

@@ -153,7 +153,7 @@ void btrfs_add_inode_defrag(struct btrfs_inode *inode, u32 extent_thresh)
 }
 
 /*
- * Pick the defragable inode that we want, if it doesn't exist, we will get the
+ * Pick the defraggable inode that we want, if it doesn't exist, we will get the
  * next one.
  */
 static struct inode_defrag *btrfs_pick_defrag_inode(

fs/btrfs/delayed-ref.c

@@ -895,7 +895,7 @@ add_delayed_ref_head(struct btrfs_trans_handle *trans,
 }
 
 /*
- * Initialize the structure which represents a modification to a an extent.
+ * Initialize the structure which represents a modification to an extent.
  *
  * @fs_info:    Internal to the mounted filesystem mount structure.
  *

fs/btrfs/dev-replace.c

@@ -637,7 +637,7 @@ static int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
 		break;
 	case BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED:
 	case BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED:
-		DEBUG_WARN("unexpected STARTED ot SUSPENDED dev-replace state");
+		DEBUG_WARN("unexpected STARTED or SUSPENDED dev-replace state");
 		ret = BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED;
 		up_write(&dev_replace->rwsem);
 		goto leave;

fs/btrfs/disk-io.c

@@ -3245,7 +3245,7 @@ int btrfs_check_features(struct btrfs_fs_info *fs_info, bool is_rw_mount)
 	/*
 	 * Subpage runtime limitation on v1 cache.
 	 *
-	 * V1 space cache still has some hard codeed PAGE_SIZE usage, while
+	 * V1 space cache still has some hard coded PAGE_SIZE usage, while
 	 * we're already defaulting to v2 cache, no need to bother v1 as it's
 	 * going to be deprecated anyway.
 	 */