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Merge branch 'cleanups-4.7' into for-chris-4.7-20160525

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This commit is contained in:
David Sterba
2016-05-25 22:51:03 +02:00
parent e73440868f 0132761017
commit 42f31734eb
36 changed files with 193 additions and 196 deletions
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14
fs/btrfs/ctree.c
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@@ -156,7 +156,7 @@ struct extent_buffer *btrfs_root_node(struct btrfs_root *root)
/*
* RCU really hurts here, we could free up the root node because
* it was cow'ed but we may not get the new root node yet so do
* it was COWed but we may not get the new root node yet so do
* the inc_not_zero dance and if it doesn't work then
* synchronize_rcu and try again.
*/
@@ -955,7 +955,7 @@ int btrfs_block_can_be_shared(struct btrfs_root *root,
struct extent_buffer *buf)
{
/*
* Tree blocks not in refernece counted trees and tree roots
* Tree blocks not in reference counted trees and tree roots
* are never shared. If a block was allocated after the last
* snapshot and the block was not allocated by tree relocation,
* we know the block is not shared.
@@ -1270,7 +1270,7 @@ __tree_mod_log_oldest_root(struct btrfs_fs_info *fs_info,
/*
* tm is a pointer to the first operation to rewind within eb. then, all
* previous operations will be rewinded (until we reach something older than
* previous operations will be rewound (until we reach something older than
* time_seq).
*/
static void
@@ -1345,7 +1345,7 @@ __tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct extent_buffer *eb,
}
/*
* Called with eb read locked. If the buffer cannot be rewinded, the same buffer
* Called with eb read locked. If the buffer cannot be rewound, the same buffer
* is returned. If rewind operations happen, a fresh buffer is returned. The
* returned buffer is always read-locked. If the returned buffer is not the
* input buffer, the lock on the input buffer is released and the input buffer
@@ -1516,7 +1516,7 @@ static inline int should_cow_block(struct btrfs_trans_handle *trans,
* 3) the root is not forced COW.
*
* What is forced COW:
* when we create snapshot during commiting the transaction,
* when we create snapshot during committing the transaction,
* after we've finished coping src root, we must COW the shared
* block to ensure the metadata consistency.
*/
@@ -1531,7 +1531,7 @@ static inline int should_cow_block(struct btrfs_trans_handle *trans,
/*
* cows a single block, see __btrfs_cow_block for the real work.
* This version of it has extra checks so that a block isn't cow'd more than
* This version of it has extra checks so that a block isn't COWed more than
* once per transaction, as long as it hasn't been written yet
*/
noinline int btrfs_cow_block(struct btrfs_trans_handle *trans,
@@ -2986,7 +2986,7 @@ again:
btrfs_unlock_up_safe(p, level + 1);
/*
* Since we can unwind eb's we want to do a real search every
* Since we can unwind ebs we want to do a real search every
* time.
*/
prev_cmp = -1;