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btrfs: unify the lock/unlock extent variants

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We have two variants of lock/unlock extent, one set that takes a cached
state, another that does not.  This is slightly annoying, and generally
speaking there are only a few places where we don't have a cached state.
Simplify this by making lock_extent/unlock_extent the only variant and
make it take a cached state, then convert all the callers appropriately.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2022-09-09 17:53:43 -04:00 • committed by David Sterba
parent 291bbb1e7e
commit 570eb97bac
14 changed files with 142 additions and 162 deletions
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4
fs/btrfs/extent-io-tree.c
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@ -1649,8 +1649,8 @@ int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end)
* Either insert or lock state struct between start and end use mask to tell
* us if waiting is desired.
*/
int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
struct extent_state **cached_state)
int lock_extent(struct extent_io_tree *tree, u64 start, u64 end,
struct extent_state **cached_state)
{
int err;
u64 failed_start;