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btrfs: avoid superfluous calls to free_extent_map() in btrfs_encoded_read()

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Change the control flow of btrfs_encoded_read() so that it doesn't call
free_extent_map() when we know that this has already been done.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Mark Harmstone <maharmstone@fb.com>
Suggested-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Mark Harmstone
2024-10-31 11:52:05 +00:00
committed by David Sterba
parent e36d114990
commit 08fdca9eee
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/inode.c
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@@ -9324,7 +9324,7 @@ ssize_t btrfs_encoded_read(struct kiocb *iocb, struct iov_iter *iter,
ret = btrfs_encoded_read_inline(iocb, iter, start, lockend,
cached_state, extent_start,
count, encoded, &unlocked);
goto out_em;
goto out_unlock_extent;
}
/*
@@ -9384,7 +9384,7 @@ ssize_t btrfs_encoded_read(struct kiocb *iocb, struct iov_iter *iter,
ret = -EFAULT;
} else {
ret = -EIOCBQUEUED;
goto out_em;
goto out_unlock_extent;
}
out_em: