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Commit d4a78947 authored by Wu Fengguang's avatar Wu Fengguang Committed by Chris Mason
Browse files

Btrfs: fix typos in comments

parent 2e966ed2
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+11 −9
Original line number Original line Diff line number Diff line
@@ -143,12 +143,15 @@ static int btrfs_csum_sizes[] = { 4, 0 };
#define BTRFS_FT_MAX		9
#define BTRFS_FT_MAX		9


/*
/*
 * the key defines the order in the tree, and so it also defines (optimal)
 * The key defines the order in the tree, and so it also defines (optimal)
 * block layout.  objectid corresonds to the inode number.  The flags
 * block layout.
 * tells us things about the object, and is a kind of stream selector.
 *
 * so for a given inode, keys with flags of 1 might refer to the inode
 * objectid corresponds to the inode number.
 * data, flags of 2 may point to file data in the btree and flags == 3
 *
 * may point to extents.
 * type tells us things about the object, and is a kind of stream selector.
 * so for a given inode, keys with type of 1 might refer to the inode data,
 * type of 2 may point to file data in the btree and type == 3 may point to
 * extents.
 *
 *
 * offset is the starting byte offset for this key in the stream.
 * offset is the starting byte offset for this key in the stream.
 *
 *
@@ -200,7 +203,7 @@ struct btrfs_dev_item {


	/*
	/*
	 * starting byte of this partition on the device,
	 * starting byte of this partition on the device,
	 * to allowr for stripe alignment in the future
	 * to allow for stripe alignment in the future
	 */
	 */
	__le64 start_offset;
	__le64 start_offset;


@@ -958,7 +961,6 @@ struct btrfs_root {
};
};


/*
/*

 * inode items have the data typically returned from stat and store other
 * inode items have the data typically returned from stat and store other
 * info about object characteristics.  There is one for every file and dir in
 * info about object characteristics.  There is one for every file and dir in
 * the FS
 * the FS
@@ -989,7 +991,7 @@ struct btrfs_root {
#define BTRFS_EXTENT_CSUM_KEY	128
#define BTRFS_EXTENT_CSUM_KEY	128


/*
/*
 * root items point to tree roots.  There are typically in the root
 * root items point to tree roots.  They are typically in the root
 * tree used by the super block to find all the other trees
 * tree used by the super block to find all the other trees
 */
 */
#define BTRFS_ROOT_ITEM_KEY	132
#define BTRFS_ROOT_ITEM_KEY	132
+2 −2
Original line number Original line Diff line number Diff line
@@ -60,8 +60,8 @@ void btrfs_clear_lock_blocking(struct extent_buffer *eb)


/*
/*
 * unfortunately, many of the places that currently set a lock to blocking
 * unfortunately, many of the places that currently set a lock to blocking
 * don't end up blocking for every long, and often they don't block
 * don't end up blocking for very long, and often they don't block
 * at all.  For a dbench 50 run, if we don't spin one the blocking bit
 * at all.  For a dbench 50 run, if we don't spin on the blocking bit
 * at all, the context switch rate can jump up to 400,000/sec or more.
 * at all, the context switch rate can jump up to 400,000/sec or more.
 *
 *
 * So, we're still stuck with this crummy spin on the blocking bit,
 * So, we're still stuck with this crummy spin on the blocking bit,
+1 −1
Original line number Original line Diff line number Diff line
@@ -76,7 +76,7 @@ struct btrfs_device {
struct btrfs_fs_devices {
struct btrfs_fs_devices {
	u8 fsid[BTRFS_FSID_SIZE]; /* FS specific uuid */
	u8 fsid[BTRFS_FSID_SIZE]; /* FS specific uuid */


	/* the device with this id has the most recent coyp of the super */
	/* the device with this id has the most recent copy of the super */
	u64 latest_devid;
	u64 latest_devid;
	u64 latest_trans;
	u64 latest_trans;
	u64 num_devices;
	u64 num_devices;